3,7-dimethylocta-1,6-dien-3-ol · CAS 78-70-6 · Khuzama · خُزامہ
Lavandar ki khushbu (لَونْدر کی خوشبو) — the world's most widely used floral-fresh aroma chemical, present in an estimated 60–80% of all commercial perfumed products. From Chanel No. 5 to traditional Pakistani attars and everyday soaps, this IFRA-restricted monoterpene alcohol delivers calming lavender-citrus freshness, bridges oriental bases with modern freshness, and is indispensable for every Pakistani perfumer. Complete scientific, olfactory, IFRA compliance, and Pakistani formulation reference.
~0.8 ppb in air · ~6 ppb in water · Effective at very low doses; present in 60–80% of all commercial perfumed products worldwide
IFRA Status (51st)
⚠ IFRA Restricted — QRA2-based category-specific limits apply. Fine fragrance (Cat 3) ≈11% max in finished product. Aggregate linalool from all sources counts toward limit.
EU Allergen Status
⚠ Listed EU allergen — declare above 0.001% in leave-on products; above 0.01% in rinse-off products under EU Reg. 2023/1545 (effective Sept 2026 for new products)
Natural Occurrence
Lavender (25–45%) · Rosewood / Bois de Rose (80–95%) · Ho Wood (80–90%) · Coriander seed (60–75%) · Basil · Bergamot · Neroli · Over 200 plant species
Shelf Life (sealed)
2 years sealed, cool, dark · Antioxidant (BHT 0.01–0.05%) recommended for bulk storage >12 months · Check peroxide value annually — oxidised material not suitable for leave-on use
Introduction
The World's Most Used Floral Molecule
Linalool stands as one of the most universally encountered and beloved aroma molecules in the entire fragrance world — found in lavender fields, the bright bloom of coriander, the warm woodiness of bois de rose, and the sun-warmed bergamot peel. It occupies a unique position in perfumery: simultaneously a high-volume commodity ingredient and an irreplaceable contributor of naturalness, softness, and emotional warmth to fragrance compositions spanning every culture and tradition. Linalool appears in an estimated 60–80% of all commercial perfumed products across fine fragrance, personal care, household, and food categories — a ubiquity that stems not from creative compromise but from genuine olfactory value: linalool simply makes fragrances smell more natural, more balanced, and more appealing across virtually all contexts.
In the Pakistani fragrance market, linalool plays a particularly strategic role. Pakistani perfume culture is dominated by the attar and concentrated oil tradition, where ingredients are applied directly to skin and must perform excellently in oil-based media. Linalool excels in this context: it blends harmoniously with oud (agarwood), sandalwood (Sandal), rose (Gulab), and saffron (Zafran) — the pillars of the subcontinental aromatic heritage. Its ability to lift and brighten otherwise heavy oriental bases makes it an exceptionally valuable blending tool for premium attar construction. Within Unani tibb, linalool-bearing plants — Khuzama (lavender), basil (Raihan), and coriander — have been used for centuries in Islamic medicine for anxiety, insomnia, and purification of spaces. The Prophet Muhammad (peace be upon him) praised good scent, and linalool-containing plants feature throughout classical Islamic perfumery texts from Morocco to Bangladesh. The compound's GABA-A receptor anxiolytic mechanism, confirmed in clinical research, explains the subjectively calming quality Pakistani consumers consistently report from lavender-family products — a documented functional benefit relevant to Pakistan's growing wellness fragrance market.
Bio Shop™ Pakistan — Sourcing Note
Bio Shop™ Pakistan stocks cosmetic and fragrance grade synthetic dl-Linalool at ≥97% GC purity — the same specification used by international fragrance houses and personal care manufacturers. Supplied as a colourless to very pale yellow mobile liquid in sealed amber glass or HDPE containers. Typical use: 0.5–10% in fragrance compounds; up to 30% in functional cleaning products. GC certificate available with batch documentation. Important: linalool is an IFRA-restricted ingredient — always perform category-specific back-calculations before commercial use. Visit bioshop.pk/products/linalool for current stock and pricing.
Molecular Identity
Chemical Identification
IUPAC Name3,7-dimethylocta-1,6-dien-3-ol
Systematic Name3,7-Dimethyl-1,6-octadien-3-ol
CAS Number78-70-6
EINECS / EC245-083-6
FEMA NumberFEMA 2635 — approved for food flavouring (GRAS)
Olfactory ReceptorOR51B2 (OR5A1) — lavender/floral pathway · GABA-A receptor interaction via olfactory system — documented anxiolytic/calming effect
Urdu / PakistanKhuzama (خُزامہ) — lavender · Lavandar ki khushbu (لَونْدر کی خوشبو) · Paaki (پاکی) — the quality of freshness/purity it evokes
Grade & Purity Profiles
Four Commercial Grades
Linalool is commercially available in several well-defined purity grades, each suited to different applications and price points. Understanding grade distinctions is essential for Pakistani formulators to balance cost against performance requirements. Bio Shop™ Pakistan stocks cosmetic and fragrance grade synthetic dl-linalool at ≥97% GC purity — the specification used in the vast majority of professional fragrance and personal care applications worldwide.
Density 0.865–0.870 · RI 1.460–1.462 · Acid value ≤1.0
"The professional standard for all perfumery, cosmetic, soap, and home fragrance applications. Clean lavender-floral burst on blotter; gentle citrus-woody dry-down. Bio Shop™ Pakistan primary stock. GC certificate with each batch. Cost-effective workhorse of the aroma palette."
Food Grade · FCC / USP Specification
FCC Food Grade
≥99.0% GC minimum · Heavy metal limits · Residual solvent tested · Microbiological standards
GC Purity
≥99%
Required for food flavouring under FEMA GRAS 2635 approval
"Required for food and beverage flavouring (FEMA 2635 GRAS). Do NOT use standard fragrance grade for food applications — FCC documentation and microbiological testing required. Available from specialised food ingredient suppliers at a modest cost premium over fragrance grade."
Premium · Natural-Label Claim · Ho Wood / Rosewood
Natural Grade
Steam distillation of Ho Wood (China) or rosewood · Optically active (R or S) · 5–30× premium
GC Purity
≥80%
Optically pure (R or S enantiomer); "natural linalool" label claim supported
"For natural fragrance label claims. Ho Wood (China) is the sustainable choice; Brazilian rosewood is CITES-restricted. Optically pure: (R)-form from lavender/ho wood smells more herbaceous; (S)-form from coriander is sweeter. For Pakistan domestic and Gulf export: synthetic grade is recommended — olfactorily superior for cost."
Density >0.870 + no GC cert = DEP/DPG dilution; soapy-pine note = terpineol
"Common adulterants: DEP (raises density above 0.870), DPG dilution (lowers actual content), alpha-terpineol substitution (soapy-lilac, no citrus lift). Blotter test: genuine linalool opens with clean floral-lavender and citrus brightness; soapy-pine with no citrus = terpineol; persistent oily residue after 15 min = DEP. Always insist on GC CoA."
Dosage Science
Concentration Behaviour
Linalool exhibits a remarkably flexible concentration-dependent character, transitioning from an invisible blend smoother at trace levels to an intensely assertive lavender at high doses. Its odour threshold of ~0.8 ppb in air makes it effective at very small quantities, offering exceptional cost-in-use performance for Pakistani formulators. The molecule's greatest value is often at moderate levels (0.5–5%), where it balances freshness, naturalness, and lavender identity without overwhelming the composition — a characteristic that explains its presence in the majority of commercial fragranced products worldwide. Note: IFRA category-specific back-calculations are mandatory for leave-on products.
<0.1% in CompoundInvisible Blend Smoother
Almost imperceptible as an individual character; functions as a "connector" — reduces harsh synthetic edges, adds a subliminal naturalness and coherence to the overall composition without any identifiable lavender note. Essential for softening rough aroma chemicals in attar and EDP bases
0.1–0.5% in CompoundSubtle Freshness
Clean citrus-floral background note; improves naturalistic quality of functional and household fragrances. Ideal for laundry, detergents, and fabric conditioners where linalool's "paaki" (پاکی) freshness signal is highly commercially effective
0.5–2% in CompoundClear Floral-Lavender
A clear, fresh, slightly floral-lavender presence that reads as clean and calming. Ideal for shampoos, body washes, deodorants, and EDTs — the dominant dosage band for personal care across Pakistan's mass and premium markets
2–5% in CompoundDominant Lavender-Floral
Full lavender-floral identity; herbaceous, slightly warm-spicy; the "Pakistani fresh oriental" bridge zone. Ideal for attar blending (3–5% in DPG base), fine fragrance EDP compounds, and mehndi / wedding ceremony compositions targeting urban professionals
5–10% in CompoundStrong Lavender-Woody
Powerful lavender with developing woody-medicinal character; excellent for dedicated lavender attars, therapeutic aromatherapy products, and home fragrance reed diffusers. Begin checking aggregate IFRA back-calculation carefully at this level
Above 10% in CompoundVery Intense — Industrial Range
Sharp-medicinal, pharmaceutical-lavender character; suitable for industrial functional products (floor cleaners, disinfectants, room sprays) where consumers want a strong "clean" signal. IFRA category limits are easily exceeded for leave-on products at these compound levels — mandatory back-calculation required
Sensory Analysis
Olfactory Evolution
Burst · 0–5 min
Floral Explosion
Linalool opens with an immediate, unmistakable wave of fresh-floral lavender — a cooling, luminous character with a citrus brightness underneath, like bergamot glimpsed through a spring breeze. The OR51B2 olfactory receptor responds within seconds, registering the characteristic fresh-floral calming quality that makes linalool the world's most widely used fragrance molecule. In Pakistan's summer heat (Lahore 42–45°C, Karachi 38°C), higher skin temperature amplifies this burst significantly — body heat accelerates volatilisation, creating what Pakistani consumers describe as "saaf" (صاف — clean) and "taaza" (تازہ — fresh). A subtle coriander-spice facet appears beneath the lavender, evoking the coriander bundles (Dhaniya) of Karachi's Sabzi Mandi — linalool in its most natural botanical context, already part of Pakistan's deepest sensory heritage.
Top-to-Heart · 5–30 min
Lavender Warmth
As the initial citrus brightness settles, linalool enters its most comfortable register: a full, rounded floral-lavender-herbal character with an emerging woody undertone that Jean-Claude Ellena described as lending "naturalistic complexity." At moderate concentrations (2–5%), this is the phase that defines contemporary masculine fougere fragrances — the lavender-coumarin-musk structural triangle that has anchored men's perfumery from Fougère Royale (1882) to Bleu de Chanel (2010). For Pakistani attar formulators, this phase is the "clean oriental" moment: 3–5% linalool added to a rose-oud base creates the hybrid character — warm and deep but lifted and fresh — that resonates powerfully with younger Lahore and Karachi consumers who appreciate international fragrance aesthetics alongside subcontinental warmth. Data Darbar attars in Lahore have historically carried similar floral-fresh notes alongside their oud-musk bases, and linalool's commercial synthesis makes this character accessible to every formulator.
Heart · 30–90 min
Clean Bridge Note
Linalool's moderate substantivity (log P 2.97) gives it a gentle persistence on skin that makes it an ideal bridge material — transitioning from top note into the heart without creating an obvious "gap." As the lavender-floral character softens, it leaves a clean, slightly woody, faintly spicy impression that harmonises with adjacent heart materials: Hedione's jasmine becomes more transparent alongside it; rose compounds (geraniol, PEA) carry additional freshness; Iso E Super's woody depth gains a floral lift. For Pakistani consumers in Karachi's coastal humidity, this transitional phase extends longer than in Lahore's dry heat — moisture on skin and in air slows linalool's evaporation, providing a notably longer heart-phase presence. The compound's anxiolytic GABA-A mechanism means that throughout this phase, the wearer is experiencing measurable stress-reduction — a functional benefit that Pakistan's growing wellness fragrance market can leverage as a scientifically grounded product claim.
Dry-down · 2hr+
Fabric Ghost
Linalool's direct skin contribution fades after approximately 1–2 hours at standard compound concentrations. However, a characteristic clean-fabric ghost persists on textiles — linalool partitions readily into cotton and polyester fibres and releases slowly throughout the day. Pakistani consumers wearing shalwar kameez appreciate this fabric-detected lavender freshness as an enduring "paaki" quality that reinforces their impression of cleanliness throughout daily activities. The molecule's rapid departure from skin is by design — a structural feature, not a weakness: it clears the aromatic stage for base notes (sandalwood, oud, musk) to fully develop and express their depth. The perfumer's craft in linalool-containing compositions is ensuring the heart and base are sufficiently developed to sustain the composition after linalool's elegant exit — the moment a good oriental or woody base truly comes into its own.
Three production-ready formulas from the Bio Shop™ Pakistan reference document — exact weights, exact percentages. All ingredients available at bioshop.pk. Formula 1 is a DPG attar (no alcohol — halal for all markets). Formula 2 is a fresh fougere EDP compound using Perfume Premix as the sole alcohol base. Formula 3 is a leave-on lavender body lotion. Note: Linalool is IFRA-restricted — back-calculation notes are provided for each formula.
Dissolve coumarin in DPG first (warm gently to 40°C; stir to clear). Cool, then add all other materials to DPG and stir with glass rod 3 minutes cold. Seal and macerate 48 hours minimum before filling roll-on. Longevity: 4–6 hours on skin. IFRA note: Linalool at 6% in finished attar (Cat 3 fine fragrance) — within IFRA 51st Amendment Cat 3 guidance (≈11% in finished product). Aggregate linalool from all materials (including Sandalore if linalool-containing) must be verified. Iso E Super is also IFRA-restricted — verify Cat 3 aggregate. Geraniol at 3% in finished attar — verify against its own IFRA Cat 3 limit. Always check current IFRA Standards at ifrafragrance.org.
Naya Khizaan · نیا خزاں
Fresh Fougere EDP Compound · Perfume Premix base · 100g compound · Urban professional men 25–40 · Gulf-export masculine
Heat oil phase (coconut MCT + almond oil) to 70°C. Heat water phase separately to 70°C. Combine phases under continuous mixing. Cool to below 40°C. Add fragrance materials (linalool, linalyl acetate, geraniol) and Vitamin E at 35–38°C. Adjust pH to 5.0–5.5 with citric acid. Fill and seal. IFRA compliance: Linalool at 1.5% in finished leave-on lotion — within IFRA Cat 5A guideline (approximately 5–6%). Linalool, Linalyl Acetate, and Geraniol are all EU allergens — all must be declared on label above their respective thresholds for EU export products (0.001% leave-on). Longevity: 8–10 hours skin fragrance.
Synergies
Classic Pairings
Linalool is compatible with virtually all standard fragrance materials. The following pairings represent the most commercially successful and technically validated combinations for Pakistani formulation, drawn directly from the reference document. Ratios shown as compound percentages.
Linalool:Linalyl Acetate in 3:2 ratio recreates lavender EO character at a fraction of the cost — essential duo for lavender accords
Pakistan Application
Extends linalool's lavender character on skin; adds the bergamot-sweet note that bridges lavender into feminine florals and fougeres
Verdict: Essential companion, not substitute. Linalool + Linalyl Acetate together = synthetic lavender. Neither alone delivers the complete effect. Available at bioshop.pk/products/linalyl-acetate
Rose-geranium, sweeter, more rosy-citrus-honeyed; less lavender; better substantivity on skin; more distinctively rosy character
Threshold / IFRA
~0.04 ppb — more potent than linalool · ⚠ IFRA Restricted · Listed EU allergen
Use With Linalool
Rose-Lavender Accord: 6% linalool + 3% geraniol → richer rose-lavender floral; used in rose-dominant feminine compositions
Pakistan Application
Enhances rose (Gulab) character in attars; adds citrus dimension to rose-oud bases; essential for wedding and Eid fragrance compositions
Verdict: Strong companion for rose-lavender accords, not a substitute. Geraniol is the rose dimension; linalool is the lavender dimension. Use both. Available at bioshop.pk/products/geraniol
Soft rose-citronella, clean, fresh; lacks lavender character entirely; no citrus lift; more stable to oxidation than linalool (saturated chain)
Threshold / IFRA
~0.04 ppb · ⚠ IFRA Restricted · Listed EU allergen · Better oxidation stability than linalool
Use With Linalool
Soft rose-lavender accord: replaces geraniol when less rosy, more clean-fresh character wanted; complements linalool in feminine florals
Pakistan Application
Useful in skin-lotion compounds where oxidation stability matters; adds clean fresh dimension without lavender; budget alternative to geraniol in rose accords
Verdict: Different character — no lavender identity. Choose citronellol for rose-clean freshness requiring better stability; choose linalool for lavender-floral fresh character. Not direct substitutes.
Lilac-floral, soapy, slightly earthy; lacks linalool's citrus lift; more stable to oxidation (cyclic, no exposed allylic position); cheaper but less elegant
Threshold / IFRA
~0.3 ppb · ✓ No IFRA restriction · Not EU allergen-listed · Superior stability
Use With Linalool
Not typically paired; different character. Terpineol used as a partial substitute where IFRA limits are tight or oxidation stability is the priority
Pakistan Application
Lower cost floral-soapy modifier for functional fragrances (cleaners, soaps); no IFRA restriction advantage in high-volume laundry applications
Verdict: Budget / stability alternative only. Demonstrates how the acyclic structure and C3 allylic position create linalool's unique character — and its oxidation sensitivity. Choose terpineol for industrial stability; linalool for fine fragrance quality.
Safety & Regulations
IFRA & Safety Overview
Educational summary of publicly available regulatory data as of 2024. Always consult the current IFRA Standards (51st Amendment) at ifrafragrance.org, the ingredient Safety Data Sheet, RIFM Safety Database, and your regulatory advisor before commercial formulation. This document does not constitute regulatory or safety advice. IFRA Standards are voluntary industry guidelines — EU Cosmetics Regulation and FDA take legal precedence.
Linalool (CAS 78-70-6) is subject to IFRA Restriction Standards under the 51st Amendment (notified June 30, 2023), based on the potential for dermal sensitization from linalool oxidation products (hydroperoxides and epoxides) — not fresh linalool itself. QRA2-based category-specific concentration limits apply across all 12 IFRA product categories. Indicative limits in finished product: Fine fragrance (Cat 3) approximately 11%; Body lotion (Cat 5A) approximately 5–6%; Shampoo/rinse-off (Cat 7) higher limits apply. Critically: IFRA limits are aggregate — they include linalool contributed by ALL natural complex substances (lavender oil, bergamot, petitgrain, etc.) in the formula. Pakistani formulators using multiple linalool-bearing natural oils must calculate aggregate exposure and back-calculate against applicable IFRA category limits. Back-calculation formula: max linalool in compound = IFRA finished product limit ÷ compound dose in finished product.
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EU Allergen — Listed: Mandatory Declaration Required
Linalool is listed as a mandatory declarable fragrance allergen under EU Commission Regulation 2023/1545 (effective September 2026 for new products). Declaration is required when present above threshold concentrations: 0.001% (10 ppm) in leave-on cosmetic products, 0.01% (100 ppm) in rinse-off cosmetic products. At virtually all practical fragrance use levels in personal care products, linalool will be above these thresholds and will require declaration on the EU cosmetic product INCI ingredient list. For Pakistani exporters targeting EU or UK markets: declaration is legally mandatory — ensure your labelling includes LINALOOL (or the INCI synonym) in the ingredient declaration. For domestic Pakistan market: voluntary declaration is considered best practice and builds consumer trust, particularly for products making "natural" or "clean beauty" claims.
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Pakistan DRAP & Halal — Fully Compliant
No current restriction under Drug Regulatory Authority of Pakistan (DRAP) cosmetics guidelines. Pakistani formulators selling in the domestic market may use linalool freely within IFRA guidelines. Halal status is confirmed beyond question: commercial fragrance-grade synthetic dl-linalool is produced via industrial synthesis from terpene precursors (myrcene from pine turpentine, or alpha-pinene from turpentine) — both 100% plant-derived starting materials. No animal-origin materials whatsoever. No ethanol or haram solvents in the final product. No fermentation or biological process using haram substrates. The synthesis is entirely inorganic-catalysed chemical isomerisation-hydration using catalytic base and water. Natural linalool from lavender or coriander essential oil is similarly halal. Bio Shop™ Pakistan can provide manufacturer Halal compatibility documentation on request.
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Human Safety Profile — FDA GRAS / FEMA 2635
Acute oral LD₅₀ in rats >3,000 mg/kg; acute dermal LD₅₀ (rabbit) >5,000 mg/kg — low acute toxicity. RIFM safety assessment confirms no sensitization concern from fresh linalool at standard use levels — sensitization is caused exclusively by linalool oxidation products (peroxides) in aged or improperly stored material, not by fresh linalool itself. FEMA GRAS 2635 approved for food flavouring. FDA cosmetic use: regulated as fragrance ingredient with no additional specific concentration limits beyond general cosmetic safety requirements. REACH registered; not SVHC-listed. No mutagenicity concern (negative Ames test); no reproductive toxicity evidence at fragrance use levels. Anxiolytic activity documented via GABA-A receptor interaction — a genuine functional benefit for wellness positioning.
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Oxidation Risk — Critical Storage and Handling Note
The primary safety risk with linalool is oxidation of its two allylic double bonds under atmospheric oxygen exposure, which generates linalool hydroperoxides and epoxides — the actual contact sensitizers responsible for the 7% allergy rate observed in patch-tested European populations. Fresh linalool is safe; oxidised linalool is a sensitizer. Pakistani storage conditions (summer temperatures up to 45°C in Lahore, repeated container opening, UV light exposure) dramatically accelerate oxidation compared to European reference conditions. Oxidised linalool should NEVER be used in leave-on cosmetic products. Addition of BHT antioxidant at 0.01–0.05% to bulk stock significantly extends shelf life. Check peroxide value annually on stored stock; discard if sour-rancid "old lavender" notes are detectable on blotter evaluation.
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Environmental Profile — Readily Biodegradable
Linalool demonstrates favourable environmental credentials: readily biodegradable in standard OECD 301 test (>60% degradation in 28 days), confirming rapid environmental breakdown. Low aquatic toxicity at typical consumer product usage levels — risk classification is not triggered at standard fragrance concentrations. The terpene backbone degrades via standard oxidative and microbial pathways in the environment. For Pakistani formulators producing rinse-off products (shampoos, shower gels, soap) where drain disposal is the primary environmental pathway: linalool's biodegradability profile is fully acceptable. No significant bioaccumulation potential. Environmentally, linalool is among the most favourable synthetic aroma chemicals in terms of biodegradation rate.
Handling & Storage
Storing in Pakistan's Climate
Temperature
Below 25°C ideal; 5–15°C optimal for long-term. Stability begins to decrease above 30°C due to allylic oxidation. Above 40°C causes rapid degradation — mandatory air-conditioned storage during Pakistani summer
Container Type
Sealed amber glass (UV protection) or opaque HDPE (food/chemical grade). Never use PVC or reactive plastics. Avoid iron or copper vessels — metal ions catalyse allylic oxidation and dramatically accelerate peroxide formation
Antioxidant Protection
BHT at 0.01–0.05% recommended for bulk stock storage beyond 12 months. Tocopheryl acetate (Vitamin E) acceptable for natural-label products. Nitrogen gas purge for headspace in partially used containers is best practice
Shelf Life (sealed)
2 years from manufacture date (sealed, cool, dark, with antioxidant). Once opened: 12–18 months with proper resealing and headspace minimisation. Check peroxide value every 6 months on working stock
Measuring Technique
Linalool is a free-flowing mobile liquid at room temperature — easy to measure. Use 0.01g precision balance for typical compound additions (1–10%). For trace smoothing additions (<0.5%), a 0.001g analytical balance improves accuracy
Pre-use Quality Check
Before use in leave-on cosmetics, evaluate on blotter: fresh linalool has a clean lavender-floral-citrus brightness. Sour, rancid, or "old lavender" note = peroxide formation. Discard oxidised material — do not use in leave-on products; suitable only for air fresheners or drain disposal
Lahore Summer (May–Aug)
Temperatures 38–45°C cause rapid linalool oxidation. Refrigerated storage (10–15°C) essential in June–August. Never store in vehicles or near windows. Use insulated cooler boxes for any inter-city transport. Check stock condition after each summer season before using in leave-on formulations
Karachi Coastal Climate
High humidity (75–90% RH year-round) promotes moisture condensation on container surfaces. Seal immediately after each use; use desiccant packets in storage area; inspect inner container surfaces for condensation. While linalool is water-insoluble, moisture promotes microbial growth in mixed-product storage environments
⚠ Adulteration check: Genuine linalool (≥97% GC) is a free-flowing, colourless to very pale yellow liquid. Density: 0.865–0.870 g/cm³ (weigh 10.00 mL — should be 8.65–8.70g). Above 8.70g = DEP/DPG dilution. Blotter test: authentic linalool opens with clean floral-lavender and citrus brightness; evaporates within 10–15 minutes leaving minimal residue. Soapy-lilac note with no citrus lift = alpha-terpineol substitution. Persistent oily residue after 15 minutes = DEP dilution. No GC certificate = risk. Always request GC CoA with batch number from any supplier.
FAQs
Frequently Asked Questions
Is Linalool halal? What is its exact synthesis origin?+
Synthetic linalool is fully halal by origin — this is unambiguous. The commercial fragrance grade synthetic dl-linalool stocked by Bio Shop™ Pakistan is produced via industrial synthesis from terpene precursors: either (1) isomerisation-hydration of beta-myrcene, itself sourced from pine tree turpentine fractions (plant origin) or petrochemical routes; or (2) pyrolysis of 2-pinanol derived from alpha-pinene in pine turpentine (again, plant-derived). In both routes: there is no animal involvement whatsoever; no fermentation or biological process using haram substrates is employed; no haram solvents are present in the final product; synthesis reagents are entirely inorganic mineral catalysts (catalytic base, water, acid); and the final linalool molecule is a pure organic compound with no contaminants of concern. Natural linalool, isolated from lavender or coriander essential oils via steam distillation, is similarly halal (plant-origin, no animal processing). For products requiring formal halal certification, Bio Shop™ Pakistan can arrange a letter of origin/synthesis declaration from the manufacturer. The IFRA restriction on linalool concerns dermal sensitization from oxidation products — this is a safety matter, not a halal matter, and does not affect linalool's halal status.
How do I verify purity when purchasing Linalool in Pakistan?+
Four verification methods are available without laboratory GC equipment. First, the odour test: genuine linalool opens immediately with a clean, fresh lavender-floral character with a clear citrus brightness (bergamot-like lift) on a blotter. A soapy-lilac note without the citrus lift indicates alpha-terpineol substitution; a generic floral without freshness suggests DPG dilution; a turpentine or pine note indicates contamination. Second, the density test: weigh exactly 10.00 mL of liquid — genuine linalool should read 8.65–8.70g. A reading above 8.70g indicates DEP or DPG dilution. Third, the evaporation test: place one drop on clean white card. True linalool evaporates cleanly within 10–15 minutes, leaving minimal residue. DEP-adulterated material leaves a persistent oily film that is clearly visible after 15 minutes. Fourth, always request a GC Certificate of Analysis with a specific batch number. Legitimate suppliers including Bio Shop™ Pakistan provide this with every delivery. If a supplier refuses to provide CoA documentation, treat the material as suspect regardless of price.
How should I store Linalool in Pakistan's hot and humid climate?+
Linalool requires active climate management in both of Pakistan's major urban climates. For Lahore's extreme summer heat (38–45°C in July–August): refrigerated storage at 10–15°C is essential during June–August; never store in vehicles, workshops, or unventilated spaces during summer; use insulated cooler boxes for any transportation between cities; and consider adding BHT antioxidant at 0.01–0.05% to your bulk stock immediately upon receipt to significantly extend shelf life in hot conditions. For Karachi's year-round coastal humidity (75–90% RH): seal containers immediately after each use; store with desiccant packets in cupboards; inspect container lids and seals periodically to ensure no moisture condensation is occurring on inner surfaces. For both cities: store in sealed amber glass or opaque HDPE away from all UV light sources; minimise headspace in partially used containers by purging with nitrogen or transferring to smaller containers; never store near heat sources (ovens, production equipment, direct sunlight through windows). Perform a blotter odour evaluation every 6 months on working stock — linalool showing any sour or rancid character should not be used in leave-on cosmetics. Under ideal conditions, 2 years from manufacture is achievable; in Pakistani conditions without refrigeration, expect 12–18 months for opened containers.
What are the IFRA limits for Linalool and how do I calculate compliance?+
Linalool is subject to QRA2-based category-specific concentration limits under the IFRA 51st Amendment. Indicative limits in finished product: Fine fragrance (Cat 3) approximately 11%; Body lotion/leave-on skin care (Cat 5A) approximately 5–6%; Rinse-off hair products (Cat 7) higher limits apply as exposure is brief. The back-calculation formula is: maximum linalool percentage in fragrance compound = IFRA finished product limit ÷ compound usage level in finished product. Example: if your EDP contains 20% fragrance compound and the IFRA Cat 3 limit is 11%: compound can contain up to 11% ÷ 0.20 = 55% linalool — meaning the compound level is rarely a concern for fine fragrance. For leave-on body lotion: if your lotion contains 2% fragrance compound and Cat 5A limit is 5.5%: compound can contain up to 5.5% ÷ 0.02 = 275% linalool — again, practical compound levels are well within compliance. The critical complication is aggregate calculation: IFRA limits apply to total linalool from all sources including lavender essential oil, petitgrain, bergamot, and any other natural complex substances in your formula. If you use lavender oil at 2% in your lotion (contributing ~0.5% linalool) alongside synthetic linalool at 0.5%, your total linalool in finished product = 1.0% — still within Cat 5A limits. Always use current IFRA Standards at ifrafragrance.org; limits can be updated with each amendment.
What is the difference between synthetic and natural Linalool for Pakistani applications?+
For the vast majority of Pakistani formulation applications — attars, body sprays, soaps, EDPs, personal care, home fragrance — synthetic dl-linalool is the correct and recommended choice. The reasons are unambiguous: synthetic and natural linalool are molecularly identical compounds (same CAS 78-70-6); the olfactory difference between synthetic racemic and natural R-form is very subtle and imperceptible to most consumers in finished product context; synthetic linalool costs USD 3–8/kg versus USD 30–150/kg for natural rosewood/ho wood linalool; synthetic linalool has superior batch consistency compared to variable natural essential oil crops; and Brazilian rosewood is CITES Appendix II — trade is restricted and carries documentation requirements. The only circumstance where natural grade matters is when your product must carry a "natural fragrance" label claim for premium European or North American natural-positioning markets — in which case, Chinese ho wood linalool (sustainable, non-CITES) is the appropriate choice. Both synthetic and natural grades are fully halal. Bio Shop™ Pakistan stocks synthetic grade; for natural-label requirements, confirm availability with the team at bioshop.pk.
Is Linalool an EU allergen and what does this mean for export products?+
Yes — linalool is a listed fragrance allergen under EU Commission Regulation 2023/1545, requiring mandatory declaration on EU cosmetic product labels when present above 0.001% (10 ppm) in leave-on products and above 0.01% (100 ppm) in rinse-off products. At virtually all practical fragrance usage levels, linalool in personal care products will be above these thresholds. For Pakistani manufacturers exporting to EU or UK markets: linalool must appear in the INCI ingredient list on your label — written as "LINALOOL" in capitals. This is a legal requirement, not optional. For the domestic Pakistan market: EU allergen listing has no legal force, but voluntary declaration is considered good practice, particularly for products claiming to be "dermatologist tested" or targeting sensitive-skin positioning. Important nuance: linalool's EU allergen status is driven by concern about oxidised linalool peroxides, not fresh linalool — properly stored, antioxidant-treated linalool used within its shelf life presents minimal sensitization risk for the vast majority of consumers. The 7% allergy rate from European patch tests reflects the general population including those already sensitized from previous exposure to oxidised material. For a standard consumer, properly formulated linalool products are safe.
Which Pakistani consumer segments respond best to Linalool compositions?+
Four segments show the strongest commercial response to linalool-containing compositions in the Pakistani market. First, urban young adults aged 18–35 in Karachi, Lahore, and Islamabad who follow international fragrance trends — this segment associates lavender-linalool freshness with European luxury and modern sophistication, and responds most positively to linalool at clear lavender-floral levels (2–5% in compound) in fresh fougere, aromatic, and fresh-floral structures. Second, female consumers across age groups respond well to rose-lavender combinations (linalool + geraniol/PEA), particularly for Eid celebrations, mehndi ceremonies, and walima occasions where lighter, brighter floral fragrances are culturally appropriate and appreciated. Third, household product buyers across all demographics in Pakistan associate linalool's fresh-clean "paaki" quality with genuine hygiene and cleanliness — making it universally effective in soaps, laundry products, and cleaning materials where even modest linalool levels (0.1–1%) create powerful "clean" product perception. Fourth, the growing wellness and aromatherapy segment, particularly in major urban centres, appreciates linalool's documented anxiolytic properties — a scientifically grounded calming benefit that supports premium positioning for stress-relief attars, bedroom diffusers, and relaxation-focused personal care products. Regionally: Lahore consumers prefer lavender paired with rose and oud; Karachi consumers lean toward lavender with citrus and aquatic freshness.
What Urdu names work for Linalool fragrances and how does it perform in Pakistan's heat?+
Recommended Urdu naming vocabulary draws on linalool's cultural resonance with lavender, freshness, and spiritual purity in the Islamic tradition. Khuzama (خُزامہ) is the classical Arabic-Urdu name for lavender and carries historical Islamic aromatic heritage. Other resonant names: Bahar (بہار — spring/bloom), Nau Subah (نو صبح — new morning), Saaf Hawaa (صاف ہوا — clean air), Khushbu-e-Bahar (خوشبوئے بہار — fragrance of spring), Naya Khizaan (نیا خزاں — new autumn), Taazgi (تازگی — freshness). Example composition names from the reference document: Khuzama Attar (خُزامہ عطر — lavender attar, for DPG roll-on); Naya Khizaan (نیا خزاں — for a fresh fougere EDP); Lavender Glow (لَونْدر گلو — for body lotion). Hot weather performance is one of linalool's genuine strengths in Pakistan's climate: its moderate-to-high volatility means body heat in Pakistani summer (42–45°C in Lahore) amplifies diffusion and sillage impressively — the "bloom" effect is powerful in heat. However, this same volatility means longevity decreases significantly in very high temperatures: a composition that lasts 6 hours in mild weather may lose its linalool top and heart within 2–3 hours in peak summer heat. The strategy: pair linalool with substantive base materials — Iso E Super, sandalwood, Galaxolide, benzyl benzoate — that maintain the composition's character after linalool departs. DPG-based attars perform better in heat than Premix-based sprays because DPG slows overall evaporation, extending linalool's presence on skin.
Everything on this page and substantially more — complete synthesis mechanism diagrams for both myrcene hydration and alpha-pinene pyrolysis routes, full enantiomer chemistry and stereocentre analysis (R-form vs S-form odour differences), detailed RIFM QRA2 safety data and IFRA limit calculation worked examples, landmark perfume appearances with full perfumer attributions (Chanel No. 5, Fougère Royale, Shalimar, Bleu de Chanel), natural occurrence data across 200+ plant species, FEMA GRAS 2635 food flavouring permitted use levels by application category, advanced Pakistan market segmentation with three product concepts (Khuzama Attar, Naya Khizaan EDP, Lavender Glow Body Lotion), full stability testing protocol including peroxide value monitoring, antioxidant addition guidance, and a comprehensive 18-term aroma chemical glossary — all in one complete professional reference document.
