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Ingredient Glossary · Aroma Chemicals

Geraniol

(2E)-3,7-Dimethylocta-2,6-dien-1-ol · Geranyl Alcohol · CAS 106-24-1

Gulab ki khushbu (گلاب کی خوشبو) — the molecular soul of the rose, present in 60–70% of all floral fragrances worldwide. From traditional dawud-i-gulab attars of Lahore to contemporary EDP launches in Karachi, geraniol is the irreplaceable first pillar of every gulab accord. IFRA-restricted (Cat. 4: 4.75%); EU declared allergen; FEMA GRAS. Complete scientific, olfactory, and Pakistani formulation reference.

CAS
106-24-1
Identifier
4–75
ppb
Odour Threshold
IFRA
Restricted
Cat. 4: 4.75%
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Quick Reference

At a Glance

IUPAC & Common Names
(2E)-3,7-Dimethylocta-2,6-dien-1-ol · Geranyl alcohol · Lemonol · Meranol · Rosoflor
CAS / EINECS / FEMA
CAS 106-24-1 · EINECS 203-377-1
FEMA 2507 · InChI: GLZPCOQZEFZOQS
Molecular Formula
C₁₀H₁₈O · MW 154.25 g/mol
Acyclic monoterpenoid primary allylic alcohol (C10)
Physical Form
Colourless to pale yellow oily liquid · BP 229–230°C · Sp. Gr. 0.876–0.882 g/cm³
Flash Point / Log P
Flash point ≈104°C (closed cup)
Log P = 3.28 — moderate skin affinity
Refractive Index
n²⁰D: 1.469–1.478
Purity: ≥98% GC (fragrance grade); Nerol content 3–8%
Solubility
Soluble in DPG, ethanol, fixed oils · Practically insoluble in water · Complete miscibility with Perfume Premix
Halal Status
✓ Halal-eligible — synthetic via β-pinene/myrcene petrochemical route; no animal inputs, no ethanol. Confirm supply-chain certification for GCC export.
Odour Character
Sweet, rosy-floral, geranium-like, faintly citrus-waxy · Gulab ki khushbu (گلاب) · Dewy, luminous, petal-soft
Odour Threshold
4–75 ppb in air (wide inter-individual range due to OR1D2 polymorphisms) · Taste: ~10 ppm sweet floral rose-peach
IFRA Status (51st)
⚠ RESTRICTED — Cat. 4 (fine fragrance) max 4.75% in finished product. Cat. 5A (leave-on body) max 0.9%. Count geraniol from ALL sources including EOs.
EU Allergen Status
⚠ DECLARED ALLERGEN — EU Cosmetics Reg. 1223/2009 Annex III. Declare if ≥0.001% leave-on or ≥0.01% rinse-off products.
Natural Occurrence
Palmarosa oil (70–85%) · Rose absolute, geranium oil (20–35%) · Citronella oil (15–25%) · Found in 250+ plant species
Shelf Life (sealed)
18–24 months refrigerated; 12–15 months ambient with antioxidant · Peroxide value ≤20 mmol/L; add 0.1% BHT at receipt
Introduction

Gulab ki Khushbu — The Soul of the Rose

Geraniol is one of the most commercially important aroma chemicals in the global fragrance industry and the single most important floral material for Pakistani attar formulation. In a single molecule — ten carbon atoms, one alcohol group, two double bonds — nature has encoded the quintessential heart of the rose: a warm, dewy, petal-soft sweetness that crosses every cultural and linguistic barrier. Geraniol occurs in an estimated 250 plant species; it constitutes 70–85% of palmarosa oil, appears prominently in rose absolute and geranium oil, and is detected by human olfactory receptors at concentrations as low as 4 ppb in air. Annual production exceeds 2,200 tonnes, manufactured primarily in China and Western Europe. In Pakistan, where gulab (rose) remains the number one requested floral accord across all market segments — from budget roll-on attars in southern Punjab to luxury EDP launches by contemporary Pakistani fragrance houses — geraniol is not merely a convenient building block; it is often the first ingredient selected when constructing any gulab accord.

The compound's cultural resonance extends far beyond olfactory chemistry. The great Mughal emperors maintained rose gardens; Nur Jahan, Empress of Emperor Jahangir, is credited in oral tradition with discovering the distillation of rose water, identifying the scented oil we now know contains geraniol as its primary component. The Prophet Muhammad (PBUH) expressed love for the rose in hadith literature, and attar-based rose perfumery as practised in Pakistan is a continuation of prophetic sunnah — not merely a commercial act. In Unani medicine, arq-e-gulab (rose water, whose primary aromatic constituents include geraniol and 2-phenylethanol) is prescribed across Pakistan to cool the body, soothe cardiac complaints, and elevate mood. Modern research supports these empirically observed effects: geraniol and PEA demonstrate mild anxiolytic activity in animal models at concentrations relevant to traditional rose preparations. Bio Shop™ Pakistan stocks cosmetic-grade geraniol at the same benchmark specification used by international fragrance houses.

Bio Shop™ Pakistan — Sourcing Note

Bio Shop™ Pakistan stocks Geraniol at cosmetic/fine fragrance grade ≥98% GC purity — the professional standard used internationally. Supplied as a colourless oily liquid in sealed HDPE bottles. Each batch comes with a Certificate of Analysis. Typical use: 0.5–10% in fragrance compound; 0.01–0.5% in finished leave-on personal care (IFRA Cat. 5A compliant). Important: Geraniol is IFRA-restricted (Cat. 4: 4.75% max in finished fine fragrance) and an EU declared allergen — always calculate IFRA compliance and include allergen declaration for EU/UK export products. Visit bioshop.pk/products/geraniol for current stock and pricing.

Molecular Identity

Chemical Identification

IUPAC Name(2E)-3,7-Dimethylocta-2,6-dien-1-ol
CAS Number106-24-1
EINECS / EC203-377-1
FEMA NumberFEMA 2507 — approved food flavouring (GRAS); use 1–100 ppm in food applications
Other NamesGeranyl alcohol · Lemonol · Meranol · Rosoflor · Geraniol Extra (BASF brand grade)
Formula / MWC₁₀H₁₈O · 154.25 g/mol · Linear: (CH₃)₂C=CHCH₂CH₂C(CH₃)=CHCH₂OH
Structural ClassAcyclic monoterpenoid primary allylic alcohol (C10) · Two isoprene units, head-to-tail
Functional GroupsPrimary allylic alcohol (–CH₂OH at C-1) · E-double bond C2–C3 · Second C=C at C6–C7
Stereochemistry(E)-configuration at C-2 · (Z)-isomer = Nerol (softer, more delicate rose-lily) · 3–8% nerol present in commercial grade
Synthesis Routeβ-pinene pyrolysis (550°C) → myrcene → acetic acid/CuCl (100–180°C) → geranyl/neryl/linalyl acetates → alkaline saponification → fractional distillation; yield ~80–90%
Natural OccurrencePalmarosa (Cymbopogon martinii, 70–85%) · Rosa damascena (20–35%) · Pelargonium graveolens (20–40%) · Citronella oil (15–25%)
Olfactory ReceptorOR1D2 — primary floral-sweet rose detection pathway; (E)-geraniol more potent than (Z)-nerol on OR1D2
Urdu / PakistanGulab ki khushbu (گلاب کی خوشبو) — the fragrance of the rose · Gulab (گلاب) · Attar-e-gulab (عطر گلاب)
Grade & Purity Profiles

Four Commercial Grades

Geraniol is available in several grades. The primary distinction in Pakistan's market is between standard 95% grade (often citronella-derived fractions) and high-purity 98%+ cosmetic grade suitable for fine fragrance. Understanding grade differences protects formulators from adulterated material, which remains a concern in the domestic market.

Professional Standard · Bio Shop™ Grade
Fragrance / Cosmetic Grade
≥98% GC purity · BASF Geraniol Extra benchmark · International manufacturers
GC Purity
≥98%
Sp. Gr. 0.876–0.882 · RI 1.469–1.478 · Nerol 3–8%
"The professional standard for all fine fragrance, attar, and personal care applications. Clean sweet-rosy opening; geranium-green heart; powdery honeyed dry-down. Bio Shop™ Pakistan primary stock. GC certificate with each batch. Use at 0.5–10% in compound."
Standard Grade · Soap & Industrial
Standard Grade ~95%
~95% GC · Higher nerol + trace impurities · May be citronella-fraction derived
GC Purity
~95%
Acceptable for soap, household fragrance, industrial applications
"May carry a faint citronella-like sharpness from elevated impurities. Perfectly functional in soap bars and fabric care. Not ideal for fine fragrance or premium attar where the premium rose facet is critical. Slightly lower cost. For fine fragrance or EDP: always specify ≥98% GC."
Premium · Naturals-Positioned Label Claim
Natural Isolate (Palmarosa)
≥90% GC from Cymbopogon martinii · Nepal, Madagascar · 5–15× premium
GC Purity
≥90%
Co-distillates: geranyl acetate, citronellol, linalool add natural complexity
"The broadest olfactory complexity with natural co-distillates. Enables 'natural fragrance' or 'palmarosa-derived' label claims for luxury naturals-positioned products. Variable availability; seasonal crop constraints. For Pakistan domestic, Gulf export, or standard cosmetics — synthetic grade is recommended."
⚠ Avoid Without Verification
Adulterated / Low-Grade
Pakistan grey market · DEP dilution · Citronella fraction · Synthetic citronellol blend
Actual Purity
Unknown
Sp. Gr. >0.885 = DEP dilution; sharp citronella off-note = low-grade fraction
"Common adulterations: DEP dilution (specific gravity above 0.885), substitution of citronella-fraction material (~60% geraniol, identifiable by sharp citronella-green off-note), blending with synthetic citronellol. Blotter test: authentic 98% geraniol is clean sweet-rose. Off-note at high dilution = adulteration. Always request COA."
Dosage Science

Concentration Behaviour

Geraniol operates across a wide dosage range with distinct character at each level. Its odour threshold of 4–75 ppb (wide inter-individual range due to OR1D2 receptor polymorphisms) means even small additions contribute meaningfully to a formula's rose character. As a primary floral builder, budget 0.5–2% in compound for a convincing gulab accord alongside supporting rose alcohols. IFRA 51st Amendment restricts geraniol to 4.75% in finished fine fragrance (Cat. 4) — always back-calculate when formulating above 2% in compound, and remember to count geraniol naturally present in essential oils.

<0.1% in CompoundSubliminal Rose Support
Barely perceptible rose whisper; adds invisible floral warmth to citrus, green, or woody accords without introducing a discernible floral identity. Ideal for lifting non-floral compositions with naturalness
0.1–0.5% in CompoundClean Rosy Warmth
Soft, powdery rose warmth that blends invisibly into heart accords; naturalising effect for complex florals. Ideal for body lotions (within IFRA Cat. 5A limits at 0.5% compound load), shampoos, fresh colognes
0.5–2% in CompoundClassic Gulab Accord
Clear, pleasantly sweet rose with moderate diffusion; balanced between fresh and warm. The core range for traditional Pakistani attars, floral EDTs, and rose-oriented soap perfumery. Cost-effective and olfactorily convincing at this level
2–5% in CompoundStrong Rose · IFRA Check Required
Strong sweet rose with emerging geranium greenness; good sillage. Rose EDP, bakhoor bases, high-impact attar. At 5% compound with 20% EDP load: 1% in finished product — within Cat. 4 limit. At neat attar (100% compound): 5% approaches IFRA Cat. 4 limit of 4.75% — verify compliance
5–10% in CompoundIFRA Cat. 4 Back-Calculate Before Use
Very full rose-geranium; slightly sharp at edges; waxy soapy quality. Functional for soap bars, fabric conditioners (IFRA Cat. 6 limit 6.6% in finished product). In fine fragrance at 20% compound load: 1.5–2% in EDP — still within Cat. 4. Must verify all product types against current IFRA 51st Amendment limits
Above 10% in CompoundOverdose — IFRA Limit Easily Exceeded
Intense, slightly raw geranium-rose; may require softening with PEA. At any realistic EDP/attar compound load, 10%+ in compound will push the finished product above IFRA Cat. 4 limits. Acceptable for soap manufacturing (Cat. 9/10 limits higher) and industrial fragrance only. Never recommended for leave-on fine fragrance without careful IFRA back-calculation
Sensory Analysis

Olfactory Evolution

Opening · 0–30 min
Dewy Rose Burst
Geraniol opens with a rush of sweet, dewy freshness — petals just unfurled at dawn, a garden after light rain. The E-geometry of the C2–C3 double bond activates olfactory receptors OR1D2 within seconds of application, registering as the canonical rose-floral character that Pakistani consumers instinctively recognise as gulab ka phool (freshly opened rose petal). In Lahore's summer heat (42–45°C), this opening is amplified: higher skin temperature accelerates volatilisation, creating a more immediate and intense rose burst on hot skin. This heat-bloom is both a strength and a consideration: the opening is genuinely impressive, but slightly more volatile than in cooler climates. The slight green-citrus lift from the second double bond at C6–C7 provides freshness and prevents the opening from feeling heavy or old-fashioned. This early citrus facet pairs naturally with bergamot or D-limonene top notes in contemporary EDP structures.
Heart · 30 min–4 hr
Sweet Rose Warmth
As the initial freshness fades, geraniol reveals its true character: a full, warm, sweet rose accord with a characteristic powdery nuance that Pakistani perfumers describe as attar-e-gulab — the classic Mughal rose perfume. This heart phase is geraniol's primary zone of value in fine fragrance; it is during this period that its olfactory synergy with citronellol and PEA is most apparent. The combination of geraniol's fresh dewy rose with PEA's deeper honeyed-rose and citronellol's waxy-rose creates an accord substantially more convincing and multi-dimensional than either ingredient alone — the professional gulab accord foundation. In Pakistani DPG-based attars, the fixed carrier slows evaporation, extending this phase to 4–6 hours of consistent rose character on skin. The slight geranium-green facet that emerges in the mid-heart adds naturalness and differentiation from purely synthetic rose approximations.
Late Heart · 4–8 hr
Honeyed Drydown
As geraniol depletes from the skin surface, the character becomes rounder, warmer, and more honeyed — gulab ki mehek (the lingering fragrance of the rose), which is considered in traditional Pakistani perfumery a mark of quality and femininity. This phase is partly driven by the slow in-situ formation of geranial (the aldehyde oxidation product of geraniol) via enzymatic skin chemistry, which contributes a faintly lemony-sweet facet to the drydown. In formulas containing benzyl benzoate as fixative, the balsamic warmth of the fixative combines with the honeyed geraniol drydown to create the characteristic gulab-oriental base appreciated across Pakistan and Gulf markets. The drydown phase is where geraniol proves its tenacity advantage over lighter rose materials: on fabric, geraniol can persist 12–24 hours, making it highly effective in linen sprays and home fragrance.
Fabric & Close-Skin · 8–24 hr+
Rose Ghost
On skin, geraniol is largely gone by 8 hours except at high concentrations. On fabric, however, the ester partitions into textile fibres and continues releasing slowly — Pakistani women who wear geraniol-containing attars on their shalwar kameez or dupattas describe this as dobara sungha hua dupatta (a scented shawl revisited the next morning): a barely perceptible rose warmth that reinforces the overall impression of quality and care. This fabric substantivity makes geraniol particularly effective in room spray, linen mist, and bakhoor formulas intended to scent textiles. In Islamic tradition, the blessing of fragrant clothing — particularly with rose — carries special cultural significance, connecting the modern Pakistani consumer's use of geraniol-containing products to a centuries-old aromatic heritage rooted in the prophetic sunnah.
Rose Dewy-Floral Geranium-Green Powdery Honeyed Sweet-Rosy Citrus-Lift Warm-Waxy Gulab (گلاب) Luminous Petal
Formulation Accords

Three Complete Formulas

Three production-ready formulas from the Bio Shop™ Pakistan reference document — exact weights, exact percentages. Geraniol is IFRA-restricted; IFRA compliance back-calculations are shown for each formula. Formula 1 is a DPG attar (no alcohol — halal for all markets). Formula 2 is a rose-oud EDP compound using Perfume Premix as the sole alcohol base. Formula 3 is a rose-vetiver body lotion compound at 0.5% finished use level.

Gulab-e-Subah  ·  گلاب صباح
Morning Rose Attar · DPG-based, no alcohol · 100g batch · Roll-on dabba · Bridal / Wedding Season / All Markets
Geraniol (pure ≥98%)5.00g  5%
Phenyl Ethyl Alcohol (pure)15.00g  15%
Citronellol (pure)5.00g  5%
Geranyl Acetate (pure)2.00g  2%
Palmarosa Essential Oil5.00g  5%
Rose Oxide 10% DPG0.50g  0.5% dilution (0.05% actual)
Linalool (pure)2.00g  2%
Coumarin 10% DPG5.00g  5% dilution (0.5% actual)
Benzyl Benzoate (pure)5.00g  5%
Dipropylene Glycol (DPG)55.50g  55.5%
IFRA 51st Back-Calculation — Must Read
⚠ Geraniol in this neat attar: synthetic geraniol 5.0% + geraniol from palmarosa EO (~70–85% of 5%: approx. 3.5–4.25% contribution) = potential total geraniol ~8.5–9.25%. As a neat attar (Cat. 4 fine fragrance), IFRA 51st Amendment limit is 4.75% total geraniol in finished product. This formula as written EXCEEDS IFRA Cat. 4 limits. For IFRA-compliant formulation: reduce synthetic geraniol to 0.75% (0.75g) and adjust DPG to 59.75g — total geraniol then ≈4.5% (including palmarosa contribution). The formula above reflects the docx optimum for olfactory performance; adjust for regulatory compliance as required. For Pakistan domestic market where IFRA is best practice rather than law, formulator must decide. Always declare geraniol on EU/UK export labels.
Method
Weigh all ingredients into clean glass bottle. Add DPG first, then each aromatic. Stir gently 5 minutes. Seal and macerate 7–10 days at room temperature before filling roll-on. Longevity: 6–8 hours on skin. Character: dewy morning rose, fresh then warm honeyed drydown. Target: bridal gifting, Eid, nikah ceremonies, all-market traditional Pakistani attar.
Gulab-ud-Noor  ·  گلاب نور
Luminous Rose-Oud EDP Compound · Perfume Premix base · 100g compound · Gulf-export / Wedding season / Urban professional 25–40
Geraniol (pure ≥98%)4.00g  4%
Phenyl Ethyl Alcohol (pure)12.00g  12%
Citronellol (pure)4.00g  4%
ISO E Super (pure)8.00g  8%
Patchouli Essential Oil5.00g  5%
Sandalwood Essential Oil4.00g  4%
Ambroxan 10% IPM5.00g  5% dilution (0.5% actual)
Coumarin 10% DPG8.00g  8% dilution (0.8% actual)
Benzyl Benzoate (pure)5.00g  5%
Frankincense Essential Oil3.00g  3%
DPG (solvent balance)42.00g  42%
IFRA 51st Back-Calculation — Confirmed Compliant
✓ Geraniol in compound: 4% synthetic. At EDP dilution (20g compound in 80g Perfume Premix = 20% compound load): 4% × 20% = 0.8% geraniol in finished EDP — well within IFRA Cat. 4 limit of 4.75%. At Parfum (28% load): 4% × 28% = 1.12% — still compliant. EU allergen declaration: 0.8% geraniol in finished EDP exceeds 0.001% leave-on threshold; declare 'geraniol' on EU/UK labels.
Finished Bottle — Perfume Premix Only
EDP: 20g compound + 80g Perfume Premix  ·  EDT: 15g + 85g  ·  Parfum: 28g + 72g. Macerate 3–4 weeks sealed, cool, dark. Longevity: 8–12 hours. Sillage: medium-strong. Character: luminous rose opening, smoky oud heart, warm patchouli-frankincense base. Gulf-export positioning: gulab-ud hybrid.
Gulab-Khas  ·  گلاب خاص
Rose-Vetiver Body Lotion Fragrance Compound · Use 0.5% in 100g lotion base · 100g compound · Karachi / Lahore summer leave-on market
Geraniol (pure ≥98%)18.00g  18%
Phenyl Ethyl Alcohol (pure)20.00g  20%
Citronellol (pure)10.00g  10%
Vetiver Essential Oil5.00g  5%
Hedione (pure)10.00g  10%
Linalool (pure)5.00g  5%
Benzyl Benzoate (pure)7.00g  7%
Ethylene Brassylate (pure)5.00g  5%
DPG (carrier)20.00g  20%
IFRA 51st Back-Calculation — Confirmed Compliant
✓ Geraniol in compound: 18%. At 0.5% compound load in finished lotion: 18% × 0.5% = 0.09% geraniol in finished leave-on product — within IFRA Cat. 5A limit of 0.9%. EU allergen: 0.09% exceeds 0.001% leave-on declaration threshold; must declare 'geraniol' on EU/UK labels. Also check citronellol IFRA limits at 10% in compound × 0.5% = 0.05% in lotion (within Cat. 5A limit of 2.2%).
Usage in Finished Lotion (100g)
Add 0.5g compound to 99.5g lotion base at 40°C with gentle stirring. Stir until homogeneous. Fill and seal. Performance: light rose-vetiver freshness on application; dries to soft floral skin-scent; lasts 3–5 hours on skin. Manufacturing: prepare compound separately (mix all ingredients, macerate 3–5 days) then incorporate into finished lotion. Target: Karachi and Lahore summer market, bridal body care, premium hotel amenities.
Synergies

Classic Pairings

Geraniol is chemically compatible with virtually all standard fragrance materials. Its PEA-geraniol synergy is the fundamental building block of every professional rose accord. The following pairings represent the most commercially successful and technically validated combinations for Pakistani formulation, confirmed from the reference document.

Classic Rose Accord Builders
Phenyl Ethyl Alcohol · 5–15% → Rose-Honey Core — The PEA-Geraniol Synergy Citronellol · 2–5% → Deeper, Waxier Rose Body Geranyl Acetate · 0.5–2% → Fruity Rose-Peach Top-Note Lift Rose Oxide 10% DPG · 0.01–0.05% actual → Metallic Turkish Rose Headspace
Floral Structure & Freshness
Linalool · 2–5% → Lavender-Citrus Bridge; Freshens Rose Accord Hedione · 3–10% → Jasmine Diffusiveness; CK One-Style Freshness Palmarosa EO · 3–8% → Natural Rose Complexity; 70–85% Geraniol Content Bergamot EO · 2–5% → Citrus-Floral Open; Mediterranean Rose
Oriental & Attar Base — Gulf Export
Patchouli EO · 3–5% → Gulab-ud (گلاب عود) Earthy Depth Sandalwood EO · 4–8% → Creamy Woody Rose Base Iso E Super · 3–8% → Cedar-Amber Depth Under Rose Heart Coumarin · 0.5–1% → Hay-Sweet Warmth; Oriental Rose
Fixatives & Carriers
Benzyl Benzoate · 3–6% → Balsamic Fixative; Extends Rose in Pakistan Heat DPG · Attar carrier; slows evaporation; extends longevity vs alcohol base Perfume Premix · Sole alcohol base for EDP/EDT spray formulas Ethylene Brassylate · 2–5% → Macrocyclic Musk Longevity; Rose Bloom Effect
Rose Alcohol Comparison

Geraniol vs. Alternatives

Phenyl Ethyl Alcohol (PEA)
Aromatic Alcohol · Deep Honeyed-Rose · CAS 60-12-8
Aroma vs. Geraniol
Deeper, heavier, more honeyed rose; less fresh-dewy; more heavy-headed; distinctively sweet-floral
IFRA / Allergen
No current IFRA restriction · Not EU declared allergen — significant regulatory advantage over geraniol
Synergy With Geraniol
Essential pairing: PEA deepens and anchors geraniol's fresh rose. Together they form the professional gulab accord backbone
Pakistan Application
Dominant in all gulab attars; 5–15% in compound. No IFRA or allergen declaration constraints — highly favoured for domestic and Gulf export
Verdict: Geraniol's essential partner, not its substitute. PEA anchors and deepens; geraniol freshens and brightens. Use both in any serious rose accord. Available at bioshop.pk/products/pea-phenyl-ethyl-alcohol
Citronellol
Saturated Monoterpenol · Sweeter, Waxier Rose · CAS 106-22-9
Aroma vs. Geraniol
Sweeter, rounder, waxier rose; less fresh-citrus; no geranium-green facet; more classic, less luminous
IFRA / Allergen
IFRA Restricted: Cat. 4 max ~2.2% — more restricted than geraniol · EU declared allergen (same declaration thresholds)
Synergy With Geraniol
Deepens and sweetens geraniol's rose character; the classic rose triad is geraniol + citronellol + PEA. Ratio: 3–5% citronellol to 2–5% geraniol
Pakistan Application
Essential in traditional gulab attars for waxy body; also relevant in rose-oud and bakhoor. Use alongside geraniol, not as standalone replacement
Verdict: Complement, not substitute. Citronellol deepens and warms while geraniol freshens and lifts. Citronellol is actually MORE restricted than geraniol at Cat. 4. Available at bioshop.pk/products/citronellol
Geranyl Acetate
Monoterpenyl Acetate · Fruity Rose-Peach · CAS 105-87-3
Aroma vs. Geraniol
Lighter, fruitier, more peachy-rosy; less full body; more diffusive and fleeting top note; less powdery warmth
IFRA / Allergen
No current IFRA restriction · Not EU declared allergen — regulatory advantage for EU export products vs. geraniol
Synergy With Geraniol
Geraniol + geranyl acetate 1% → introduces peachy top-note lift, adds dimension popular in Korean-Japanese inspired accords trending in Pakistani urban youth market
Pakistan Application
Excellent top-note modifier in gulab accords; use at 0.5–2% alongside geraniol to add fruity-peach freshness to traditional rose compositions
Verdict: Modifier and brightener, not base. Geranyl acetate adds top-note fruity lift; geraniol provides the warm rose body. Use together: 2–5% geraniol + 0.5–2% geranyl acetate. Available at bioshop.pk/products/geranyl-acetate
Palmarosa Essential Oil
Natural Essential Oil · 70–85% Geraniol · Cymbopogon martinii
Aroma vs. Geraniol
More complex, naturalistic rose-geranium with co-distillate nuances (geranyl acetate, linalool, nerol); slightly more diffusive; less clean/sharp than synthetic grade
IFRA / Allergen
Not directly restricted but geraniol content (~70–85%) must be counted toward IFRA Cat. 4 total. EU allergen: geraniol declaration applies to content in EO
Use With or Instead of Geraniol
Can partially replace synthetic geraniol in naturals-positioned products; use 5–10% palmarosa EO = approximately 3.5–8.5% geraniol equivalence
Pakistan Application
Excellent in luxury artisan gulab attars, arq-e-gulab preparations, Unani-positioned rose products. Higher cost but enables natural label claims. Pairs beautifully with geranium EO
Verdict: The natural equivalent. Use palmarosa EO when 'natural' or 'nature-derived' label claims matter; use synthetic geraniol for consistency, cost, and all standard applications. Available at bioshop.pk/products/palma-rosa-essential-oil
Safety & Regulations

IFRA & Safety Overview

Educational summary of publicly available regulatory data as of 2024. Always consult the current IFRA Standards (51st Amendment), the ingredient Safety Data Sheet, RIFM Safety Database, and your regulatory advisor before commercial formulation. Count geraniol from ALL sources (synthetic + natural EOs) when calculating IFRA compliance. This document does not constitute regulatory or safety advice.
⚠️

IFRA 51st Amendment — RESTRICTED (Cat. 4: 4.75%)

Geraniol (CAS 106-24-1) is a Restricted ingredient under the IFRA 51st Amendment (notified June 2023), driven by dermal sensitisation data from RIFM-assessed geraniol hydroperoxides. Category 4 (fine fragrance: EDP, EDT, parfum) is capped at 4.75% geraniol in the finished product. Category 5A (body lotions, leave-on skin care) is capped at 0.9%. Category 6 (rinse-off hair products) allows up to 6.6%. Category 10A (reed diffusers) was revised downward in the 51st Amendment — verify current limits for home fragrance applications. Critical: geraniol naturally present in essential oils (palmarosa, geranium, rose absolute, citronella) must be counted toward the total geraniol concentration when calculating compliance. Use the IFRA back-calculation method shown in the formula section above.

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EU Allergen — DECLARED (Mandatory Declaration)

Geraniol is listed as a declared allergen under EU Cosmetics Regulation EC 1223/2009 Annex III. Products marketed in the EU, UK, or exported from Pakistan to EU-market distributors must declare 'geraniol' on the ingredient label if present at or above 0.001% in leave-on products or 0.01% in rinse-off products. Note: this applies to total geraniol from all sources — synthetic geraniol plus geraniol naturally present in any essential oils in the formula must be summed. For Pakistan domestic market, EU allergen declaration is currently not a legal requirement; however, for Gulf Cooperation Council export, diaspora-market products, and premium brand positioning, allergen transparency represents best practice. Monitor EU Cosmetics Regulation amendments through IFRA communications.

✓

Pakistan DRAP & Halal — Halal-Eligible

No current restriction under Drug Regulatory Authority of Pakistan (DRAP) cosmetics guidelines. Pakistani domestic formulators may use geraniol freely within IFRA limits. Halal status: commercial fragrance-grade geraniol is produced via β-pinene pyrolysis (pine resin / turpentine by-product) to myrcene, followed by acid-catalysed reactions and fractional distillation. Entire synthesis chain is free of animal-derived materials, ethanol, khamr, or prohibited substances. The final product is a pure aliphatic organic alcohol, universally accepted by Islamic scholarly consensus as halal for external use in perfumery. Natural palmarosa-derived geraniol is also unambiguously halal (plant-distillation). For products carrying an explicit halal label, obtain certification from a recognised body such as Pakistan Halal Authority, JAKIM, or SANHA — Bio Shop™ Pakistan can assist with documentation on request.

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Human Safety Profile — FEMA GRAS 2507

Acute oral LD₅₀ in rats: 3,600–6,100 mg/kg — low acute oral toxicity. Acute dermal LD₅₀ (rabbit): >2,000 mg/kg. Not genotoxic per RIFM assessment. Not phototoxic (no furocoumarin structure). No evidence of reproductive toxicity at use levels. Key concern: dermal sensitisation potential driven by geraniol hydroperoxide formation upon oxidation — the primary driver of IFRA restriction. Ensure peroxide value of raw material is ≤20 mmol/L before use; consider adding 0.1% BHT antioxidant to stabilised formulations. FEMA GRAS 2507 for food flavouring at 1–100 ppm. SDS hazard classification: Flammable liquid (Flam. Liq. 4); Skin sensitiser (Skin Sens. 1B); GHS07/GHS02.

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Environmental — Moderate Aquatic Concern

RIFM environmental screening indicates potential aquatic concern at higher concentrations. The two C=C double bonds in geraniol undergo relatively slow oxidative degradation in aquatic environments. At typical consumer product usage levels (0.5–5% in compound; 0.1–1% in finished product), real-world aquatic load from consumer use is manageable. Rinse-off product formulators (shampoos, shower gels) in Karachi or Lahore should note this in sustainability documentation. Dispose of waste concentrate responsibly; dilute before drain disposal. Flash point ≈104°C — not classified as highly flammable, but avoid open flame during handling.

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Handling, Stability & Oxidation Risk

Geraniol's two C=C double bonds make it susceptible to allylic hydroperoxide formation when exposed to air — the same degradation pathway that produces the sensitising species responsible for IFRA restriction. Store in sealed amber glass or opaque HDPE away from UV light. Minimise headspace: fill containers fully or purge with nitrogen/argon. Never use iron or copper vessels (metal ions catalyse oxidation). Add 0.1% BHT or 0.05% α-Tocopherol for extended shelf life. Test peroxide value every 6 months; discard if above 20 mmol/L. In strongly acidic media (pH <3), geraniol may cyclise to α-terpineol; avoid concentrated acid formulations. Flash point ≈104°C; handle away from open flames.

Handling & Storage

Storing in Pakistan's Climate

Temperature
Below 25°C ideal; refrigeration (5–10°C) strongly recommended for long-term stock. Chemical stability acceptable up to 30°C for <3 months. Above 40°C accelerates oxidative degradation — active cooling is mandatory
Container Type
Sealed amber glass (UV barrier) or opaque HDPE (food/chemical grade). Never use clear PET, PVC, or reactive plastics. Avoid copper or iron vessels — metal ions catalyse allylic oxidation
Headspace & Antioxidant
Minimise air headspace: fill containers fully, or purge with nitrogen/argon gas before sealing. Add 0.1% BHT or 0.05% α-Tocopherol at receipt for significant shelf life extension
Shelf Life (sealed)
18–24 months refrigerated; 12–15 months ambient with antioxidant; 6–9 months ambient without. Test peroxide value at 6 months; discard above 20 mmol/L
Measuring Technique
Geraniol is a free-flowing oily liquid. Use at 0.5–10% in compound: weigh pure material on a 0.01g digital balance. No 10% DPG dilution is currently listed in Bio Shop™ catalogue — use pure material directly for all typical formulation concentrations
Peroxide Monitoring
Oxidised geraniol produces harsh metallic top-note — the primary indicator of degradation. Check peroxide value every 6 months (IFRA analytical method). Discard stock with PV >20 mmol/L. Smell test: degraded material has metallic-green harshness instead of clean sweet rose
Lahore Summer (May–Aug)
Temperatures routinely exceed 45°C. Mandatory AC storage (below 25°C). Never store in vehicles or unventilated storage rooms in summer. Insulated cooler boxes for transportation. Refrigerate stock during peak summer. Significant quality degradation risk at ambient Lahore summer temperatures
Karachi Coastal Climate
High humidity (75–90% RH, April–September; Karachi summers 38–42°C) compounds both oxidation and moisture risk. Seal containers immediately after each use. Use desiccant packets in storage area. Refrigerate in summer months. Inspect containers periodically for moisture condensation on inner surfaces
⚠ Quality verification before use: Genuine geraniol ≥98% GC is a colourless to pale yellow oily liquid. Density: 0.876–0.882 g/cm³ (weigh 1.00 mL — should be 0.876–0.882g). Above 0.885 = DEP dilution. Refractive index: 1.469–1.478 at 20°C (use refractometer for rapid field check). Blotter test: clean, pleasantly sweet rose-geranium opening; dry to a soft powdery-rosy warmth within 30 minutes. Sharp citronella-green off-note at any dilution = substandard citronella-fraction material. Metallic harsh note = oxidised stock (peroxide value too high). Always request Certificate of Analysis with GC purity, specific gravity, and refractive index from your supplier.
FAQs

Frequently Asked Questions

How do I verify geraniol purity, and what adulterations are common in Pakistan?+
Four practical field verification methods are available without GC equipment. First, the refractometer test: genuine ≥98% geraniol should give a refractive index reading of 1.469–1.478 at 20°C on a standard Abbe refractometer — this is the most reliable single field test and should be performed on every new batch. Second, the density test: weigh 1.00 mL — pure geraniol should read 0.876–0.882g per mL; above 0.885 strongly indicates DEP (diethyl phthalate) or isopropyl myristate dilution. Third, the aroma test: genuine high-grade geraniol has a clean, pleasantly sweet rose-geranium aroma. A sharp, citronella-like off-note indicates low-purity citronella-fraction material (typically ∼60% geraniol). A fatty or metallic note indicates free aldehyde impurities or oxidation. Fourth, the wrist dry-down test: apply a small drop to the back of the wrist — it should dry to a softly powdery-rosy warmth within 30 minutes. Any persistent harsh or unpleasant note indicates adulteration or degradation. Always request a Certificate of Analysis (COA) showing GC purity (individual peak integration and retention times), specific gravity, refractive index, and peroxide value from any supplier. Bio Shop™ Pakistan provides COA documentation with every order.
How should I store geraniol in Pakistan's hot climate to prevent degradation?+
Geraniol's primary enemy is oxygen-catalysed oxidation of its two C=C double bonds, which forms sensitising hydroperoxides and produces harsh, metallic off-notes that ruin a rose accord. In Pakistan's summer conditions, two distinct climate variables require active management. For Lahore's extreme summer heat (temperatures routinely exceeding 45°C in May–August): mandatory air-conditioned storage below 25°C; never store in vehicles or outdoor storage during summer; use insulated cooler boxes for any transportation; refrigerate your geraniol stock (5–10°C) for maximum longevity. For Karachi's coastal high humidity (75–90% RH combined with 38–42°C summer temperatures): seal containers immediately after each use; use desiccant packets in the storage area; inspect containers periodically for moisture condensation on inner surfaces; refrigerate in summer months. For both locations: use sealed amber glass or opaque HDPE containers; fill containers fully or purge with nitrogen to minimise headspace; add 0.1% BHT or 0.05% α-Tocopherol at time of receipt for antioxidant protection; check peroxide value every 6 months and discard stock testing above 20 mmol/L. Under these conditions, 18–24 months shelf life is achievable from manufacture date. Without antioxidant and at ambient summer temperatures, geraniol's useful shelf life may contract to 6–9 months.
Is geraniol halal? What is its exact origin and synthesis?+
This is the most important question for Pakistani and Gulf market formulators. Geraniol is halal-eligible based on the following analysis: (1) Commercial fragrance-grade geraniol is synthetically produced via a petrochemical route beginning with β-pinene, a monoterpene derived from turpentine — a by-product of the wood pulp and paper industry. (2) β-Pinene undergoes pyrolysis at 500–600°C to yield myrcene, which then reacts with acetic acid in the presence of a copper(I) chloride catalyst to produce a mixture of geranyl, neryl, and linalyl acetates. (3) These are then hydrolysed with alkali (sodium or potassium hydroxide in methanol) and fractionally distilled under reduced pressure to yield geraniol at >98% purity. (4) The entire synthesis is free of any animal-derived intermediaries, by-products, or residues — no animal material, no ethanol (khamr), no fermentation using animal inputs at any stage. (5) The catalysts (sulfuric/acetic acid, copper chloride, sodium hydroxide) are entirely mineral/inorganic. (6) Geraniol itself is an aliphatic terpene alcohol — categorically distinct from ethanol and universally accepted by Islamic scholarly consensus as halal for external use in perfumery. Natural geraniol isolated from palmarosa grass is also unambiguously halal. Both synthetic and natural grades are halal-eligible. For products carrying explicit halal certification labels (e.g. for GCC export), obtain certification from a recognised body such as Pakistan Halal Authority, JAKIM, or SANHA — Bio Shop™ Pakistan can provide synthesis route documentation on request for professional accounts.
What is the correct usage level for geraniol, and do I need a dilution or pure material?+
Geraniol is typically used at 0.5–10% of the fragrance compound by weight, translating to approximately 0.1–4.75% in the finished fine fragrance (IFRA Cat. 4 limit). Rule of thumb for Pakistani formulators: use pure geraniol (≥98% GC) at all typical formulation concentrations — at 0.5% and above in compound, measurement precision with a standard 0.01g accuracy digital balance is entirely adequate. There is currently no 10% DPG dilution of geraniol listed in the Bio Shop™ catalogue (unlike trace materials such as rose oxide or indole where such dilutions are essential). For fine fragrance compounds, weigh pure geraniol directly. Practical guidance by application: for traditional gulab attars, 2–5% geraniol in compound delivers a convincing full rose character; pair with PEA 5–15% and citronellol 2–5% for completeness. For personal care leave-on products (IFRA Cat. 5A), ensure that at the compound load used, the finished product does not exceed 0.9% total geraniol — at 1% compound load this means geraniol in compound should not exceed 90% (well above any typical formulation). The more practical constraint is IFRA Cat. 4 for fine fragrance: at 20% compound load in an EDP, geraniol can be at most 23.75% in the compound to remain within 4.75% in the bottle — in practice, 4–10% in compound is the professional formulation range and remains compliant at any standard EDP compound load.
What is the difference between synthetic and palmarosa-derived natural geraniol for my attar?+
For most practical Pakistani formulation purposes — commercial attars, personal care, home fragrance, soap, Gulf export — high-quality synthetic geraniol (≥98% GC) is functionally equivalent to palmarosa-derived natural geraniol isolate and costs significantly less. At >98% purity, synthetic geraniol is an exceptionally clean, refined rose-floral material. Natural palmarosa isolate typically carries minor co-distillates (trace geranyl acetate, linalool, nerol) that add subtle naturalness and complexity appreciated in artisan and luxury natural positioning contexts. In a well-constructed gulab accord with PEA, citronellol, and geranyl acetate, a sophisticated taster cannot reliably distinguish synthetic from natural geraniol at >98% purity. Two specific cases where natural material is preferred: (1) Formulating a naturals-positioned luxury attar where you want to claim 'natural fragrance components' or 'palmarosa-derived' — use natural palmarosa EO or natural geraniol isolate. (2) Artisan perfumery targeting consumers who value natural ingredient storytelling (growing segment in Pakistan and Gulf markets). For all other applications, synthetic fragrance grade delivers equivalent or superior performance at lower cost. Both grades are fully halal-eligible. Note: when using palmarosa EO as a source of geraniol, remember that the geraniol content of the oil (typically 70–85%) must be counted toward IFRA total geraniol limits.
Which Pakistani consumers respond best to geraniol-rich fragrances?+
Geraniol-rich gulab accords cross all Pakistani demographic segments, but four groups show particularly strong commercial response. First, urban women aged 25–45 (both working professionals and homemakers) represent the largest and most commercially valuable audience: rose is the single most-requested floral note in Pakistani women's fragrance surveys, and geraniol is the key molecule delivering that character. Second, bridal and wedding consumers represent a premium opportunity — gulab is culturally mandated in Pakistani wedding fragrance traditions (dholki, mehndi, nikah ceremonies) and commands premium pricing; geraniol-heavy compositions in DPG attars or premium EDPs are ideally positioned for this segment. Third, religiously and traditionally-minded consumers appreciate rose's deep Islamic aromatic heritage: the Prophet Muhammad (PBUH) expressed love for the rose in hadith literature, making geraniol-based gulab perfumery a continuation of prophetic sunnah for this significant Pakistani consumer segment. Fourth, Gulf export channel buyers representing wholesale traders supplying Saudi Arabia, UAE, Qatar, and Kuwait — gulab-oud (rose-oud) blends, which are geraniol-anchored, are commercially dominant in Arab Gulf markets. Regionally: Lahore consumers prefer deeper, richer rose interpretations in heavier DPG bases, especially in cooler months (November–February); Karachi consumers prefer lighter, fresher rose compositions with more geraniol relative to citronellol in summer months; Islamabad and Punjab markets favour rose-oud as a luxury positioning statement.
Do EU allergen regulations restrict Geraniol exports? What about IFRA compliance for Gulf markets?+
Both regulatory frameworks require active management for Pakistani exporters. For EU and UK export: geraniol is a declared allergen under EU Cosmetics Regulation EC 1223/2009 Annex III. Any cosmetic product exported to EU or UK market must declare 'geraniol' on the INCI ingredient list if present at or above 0.001% in leave-on products (body lotions, face creams, attars worn directly) or 0.01% in rinse-off products (shampoos, shower gels). This applies to total geraniol from all sources — synthetic plus geraniol naturally present in any essential oils used. At typical fine fragrance concentrations, EU allergen declaration is virtually always triggered. Plan your label artwork accordingly and factor this into product registration cost. For Gulf Cooperation Council (GCC) export: Saudi Arabia, UAE, and Kuwait follow SASO, ESMA, and KOWSMD cosmetic regulations respectively, which are broadly aligned with EU standards but not identical. Gulf market buyers increasingly request IFRA compliance documentation alongside COA certificates — prepare IFRA compliance calculations for each formula. IFRA Cat. 4 limit of 4.75% is the primary constraint for fine fragrance. For Pakistan domestic market: no EU allergen declaration required; IFRA compliance is best practice rather than law. Work toward building IFRA compliance habits proactively to protect future export market access. Consult a regulatory consultant for product registrations in GCC or EU markets.
What Urdu names work for geraniol-based fragrances, and how does it perform in Pakistan's summer heat?+
Urdu naming for rose-dominant geraniol compositions should draw on Pakistan's rich poetic vocabulary for the rose: Gulab-e-Noor (گلاب نور — luminous rose), Gulab-e-Subah (گلاب صباح — morning rose), Shab-e-Gulab (شب گلاب — rose night), Gulab-ki-Oas (گلاب کی اوس — rose dew), Gulab-ud (گلاب عود — rose-oud), Sar-e-Gulab (سر گلاب — crown of rose). These names communicate quality, tradition, and romantic resonance in ways that English names cannot replicate for Pakistani consumers. For summer heat performance in Pakistan: geraniol's moderate volatility (BP 229°C) means it diffuses relatively quickly at Lahore's 42–45°C summer skin temperatures. This heat-bloom effect creates a more intense and immediate rose opening — a genuine strength in Pakistan's summer market — but also means the top note departs faster than in cooler climates. To extend longevity in summer: use adequate fixatives (benzyl benzoate 3–6%, coumarin 0.5–1%, heavy musks 2–3%); consider DPG-based attars rather than alcohol sprays (DPG significantly slows evaporation); increase the proportion of less-volatile rose materials (citronellol, benzyl benzoate) relative to geraniol in summer formulations. In Karachi's humid coastal climate, geraniol's evaporation rate is naturally moderated by high ambient humidity, extending the rose note's perception time compared to Lahore's dry desert heat.
Complete Your Palette

Essential Companions

Carrier · Diluent
Dipropylene Glycol (DPG)
Attar carrier; slows evaporation vs. alcohol base; extends rose longevity in Pakistan heat · Odour-neutral · Halal ✓
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Alcohol Base
Perfume Premix
Sole alcohol base for EDP/EDT spray formulas · Bio Shop™ exclusive · Full miscibility with geraniol compound
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Aroma Chemical · Rose
Phenyl Ethyl Alcohol
Geraniol's essential partner: PEA deepens & anchors; geraniol freshens & lifts. PEA-geraniol = core of every gulab accord
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Aroma Chemical · Rose
Citronellol
Waxier, sweeter rose body; classic trio: geraniol + citronellol + PEA. 2–5% in compound deepens the gulab accord
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Aroma Chemical · Fruity-Rose
Geranyl Acetate
Peachy-fruity rose top-note lift; 0.5–2% alongside geraniol adds dimension & freshness. No IFRA restriction; not EU allergen
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Essential Oil · Natural Rose
Palmarosa Essential Oil
70–85% geraniol content; natural rose complexity with co-distillate nuances. The natural source of geraniol for luxury positioning
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Essential Oil · Oriental Base
Patchouli Essential Oil
Gulab-ud accord: geraniol 4% + patchouli 3–5% → classic rose-oud oriental. Earthy depth under luminous rose heart
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Aroma Chemical · Rose Headspace
Rose Oxide 10% DPG
Metallic Turkish rose headspace at 0.01–0.05% actual; transforms synthetic geraniol accord into genuine rose absolute impression
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Full Reference Document

Dive Deeper — Read the Complete Guide

Everything on this page and substantially more — complete β-pinene/myrcene synthesis mechanism with step-by-step diagrams, full structure–odour relationship analysis of geraniol vs. nerol vs. citronellol, comprehensive RIFM safety assessment summary, landmark perfume appearances with formulator notes (Joy by Jean Patou 1930, Nahema Guerlain 1979, Jardin sur le Nil Hermès 2005), natural occurrence data across all major essential oil sources, concentration-dependent olfactory behaviour analysis, cost-in-use comparison vs. rose absolute, detailed antimicrobial and insect-repellent functional chemistry, South Asian & Islamic aromatic heritage section, advanced blending strategies including gulab-ud accord, gulab-khas body lotion, and insect repellent application, full stability testing protocol for Pakistan climate, IFRA back-calculation worked examples for all 12 categories, and a 20-term glossary of key aroma chemical terminology — all compiled in one complete professional reference document.

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