(E)-1-(2,6,6-Trimethyl-1-cyclohexenyl)but-2-en-1-one · Rose Ketone-2 · CAS 23726-91-2
Gulab ki jammy gehraai (گلاب کی جامی گہرائی) — the dark rose radiance molecule from Damask Rose analysis. Named for Damascus (دمشق), this IFRA-Restricted norisoprenoid delivers jammy rose, plum, blackcurrant, honey and wine radiance at vanishingly small concentrations (~0.001 ppb detection threshold). The defining rose ketone for premium gulab attars and Gulf-export fragrances. Complete scientific, olfactory, and Pakistani formulation reference.
Colourless to pale yellow mobile liquid · BP ~100–105°C at 2 mmHg · Sp. Gr. 0.928–0.932 g/cm³
Flash Point / Log P
Flash point >100°C TCC — not flammable liquid Log P ~3.00 — moderate skin affinity & substantivity
Refractive Index / Purity
n₂₀D: 1.4950–1.5010 Pure grade: ≥98.0% GC · Also as 10% in DPG (Bio Shop™)
Solubility
Freely soluble in ethanol, DPG, IPM, benzyl benzoate · Insoluble in water (<0.1 g/L) · No aqueous solubiliser needed for fragrance use
Halal Status
✓ Halal — 100% synthetic petrochemical synthesis from citral/pseudoionone. No animal inputs, no ethanol carrier, no fermentation. DPG carrier also Halal-compliant
Odour Character
Jammy rose, dark plum, blackcurrant, raspberry, honey, wine radiance, warm tobacco · Gulab ki gehraai (گلاب کی گہرائی) · Intensely diffusive
Odour Threshold
~0.001 ppb in air — among the most potent known fragrance materials · Use 0.05–0.20% pure in compound; 0.5–2.0% of 10% DPG version
IFRA Status (51st)
⚠ RESTRICTED — Rose Ketones Group Standard. Max 0.043% combined rose ketones in finished Cat 4 (fine fragrance). Back-calculate for your compound load
EU Allergen Status
⚠ LISTED — EU Reg 2023/1545. Declare on label above 0.001% in leave-on products, above 0.01% in rinse-off products exported to EU/UK
Natural Occurrence
Bulgarian Rose Otto (trace <0.005%) · Rose Absolute · Tobacco Absolute · Apple · Clary Sage · Red Wine · Davana Oil (India)
Shelf Life (sealed)
2–3 years pure, sealed, cool, dark · 5+ years refrigerated · 10% DPG: 18–24 months · Opened: evaluate quality quarterly
Introduction
The Rose of Damascus — Gulab ki Gehraai
Beta Damascone is among the most olfactorily authoritative molecules ever placed in a perfumer’s palette. Discovered at Firmenich’s Geneva laboratories in the 1960s by chemists Leopold Ruzicka and Eduard Demole during a systematic gas-chromatographic analysis of Bulgarian Damask Rose Absolute, it revealed a startling truth: that the characteristic emotional impact of the world’s finest rose — a scent civilisations have revered for over a millennium — resided not in the abundant geraniol and citronellol that constituted most of the oil’s weight, but in a trace constituent present at below 0.005%. At a detection threshold of approximately 0.001 ppb in air, Beta Damascone is among the most potent odour molecules known to science, detectable by the human nose when only one molecule exists for every trillion air molecules. This extraordinary sensitivity is what makes it simultaneously the most transformative and the most demanding ingredient in modern perfumery.
The name carries profound meaning for Pakistan’s aromatic community: Damascus (Dimashq, دمشق) — the Syrian city from which the Damask Rose takes its name — has been the symbolic heart of rose cultivation in the Islamic world for over 1,200 years. Ibn Sina (Avicenna), whose Canon of Medicine remains a reference in Pakistan’s Unani tradition, documented the distillation of gulab jal (rose water) and dahn al-ward (rose oil) as tonics for the heart and spirit. The Prophet Muhammad (PBUH) is reported in Hadith to have prized fragrant roses above other scents. Beta Damascone, the molecule at the centre of what makes the finest Damask Rose so transcendent, thus connects Pakistan’s living aromatic tradition directly to the molecular science of 20th-century Switzerland. For Pakistani attar makers creating gulab-based compounds — whether for Eid gifts, baraat ceremonies, or Gulf export — Beta Damascone is the single ingredient most capable of bridging artisan craftsmanship and international excellence.
IFRA Note for Formulators: Beta Damascone is a Restricted ingredient under IFRA 51st Amendment. The combined total of all rose ketone isomers (Beta Damascone + Alpha Damascone + Damascenone + others) must not exceed 0.043% in the finished fine fragrance (Cat 4). All formulas in this guide include IFRA back-calculation notes. Bio Shop™ Pakistan stocks both pure (≥98% GC) and 10% in DPG formats, enabling precise measurement at any scale.
Bio Shop™ Pakistan — Sourcing Note
Bio Shop™ Pakistan stocks Beta Damascone in two formats: Pure (≥98% GC) for experienced formulators requiring cost efficiency and precision control, and 10% in DPG — the recommended choice for hobbyists, small-batch attar makers, and those without access to milligram-precision balances. Both sourced from internationally certified fine-chemical suppliers with Certificate of Analysis (CoA) and Halal documentation available on request. Pure grade: bioshop.pk/products/beta-damascone · 10% DPG: bioshop.pk/products/beta-damascone-10-in-dpg
Natural OccurrenceBulgarian Rose Otto (<0.005%) · Rose Absolute · Tobacco Absolute · Apple (Malus domestica) · Clary Sage · Red Wine · Davana Oil
Urdu / PakistanGulab ki gehraai (گلاب کی گہرائی) — the depth of rose · Named for Dimashq (دمشق) — Damascus · Revered in Unani medicine as dahn al-ward essence
Grade & Purity Profiles
Four Commercial Grades
Beta Damascone is commercially available in several formats. Understanding grade differences is critical for Pakistani formulators: the domestic grey market carries significant adulteration risk for this high-value, trace-dose material. Bio Shop™ Pakistan stocks both Pure (≥98% GC) and 10% in DPG — the two internationally standard professional formats, with full CoA documentation.
Professional · Bio Shop™ Pure Grade
Pure ≥98% GC
Colourless–pale yellow liquid · (E)-isomer ≥95% · International manufacturers
GC Purity
≥98%
RI 1.4950–1.5010 · Sp. Gr. 0.928–0.932 · Flash Pt >100°C
"The professional standard. Measure on analytical balance (±0.001g) for concentrations below 0.10% in compound. Requires nitrile gloves and ventilated workspace for neat handling. Maximum flexibility and cost efficiency per effective dose."
Weigh on standard digital scales (±0.01g) for 100g batches
"Recommended for beginners, hobbyists, and small-batch attar makers. Use at 0.5–2.0% in compound for same effective concentration as 0.05–0.20% pure grade. 1.0% of 10% DPG = 0.10% actual Beta Damascone. DPG carrier fully Halal and fragrance-compatible."
Proprietary Base · Reference Standard
Dorinone® Beta
Firmenich original commercial introduction · ~3% active in carrier · Professional supply only
Active Content
~3%
Historical reference quality; not widely available outside professional supply channels
"The original Firmenich commercial introduction, widely regarded as the reference-quality standard among professional perfumers. Not practically accessible for Pakistani formulators; Bio Shop™ Pakistan’s pure grade sourced from internationally certified suppliers is the direct equivalent."
Woody-violet odour = ionone substitution. Weak character = undisclosed dilution
"Common adulterants: undeclared DPG dilution (performs at 10–20% expected strength); ionone substitution (odour shifts to woody-violet, not jammy rose-plum); Z-isomer excess (weaker, less focused). Field test: 0.1% in DPG — must show clear jammy rose-plum with honey-tobacco undertone. Always demand CoA."
Dosage Science
Concentration Behaviour
Beta Damascone exhibits a near all-or-nothing receptor activation profile: at sub-threshold levels it contributes nothing consciously perceptible; at threshold, its full jammy rose-plum character emerges immediately. Its odour threshold (~0.001 ppb) is among the lowest of all fragrance materials, making it exceptionally cost-effective per unit of olfactory impact. IFRA 51st Amendment limits combined rose ketones in Cat 4 (fine fragrance) to 0.043% in the finished product — back-calculate from your compound concentration to stay compliant.
<0.01% in Compound (pure)Subliminal Naturalness Lift
Below conscious perception threshold; adds subconscious naturalness, radiance, and diffusion to any floral or oriental blend without declaring itself. Transforms thin synthetic accords into something alive and breathing. Ideal for lifting heavy oud or bakhoor bases
0.01–0.05% in CompoundPerceptible Rose Warmth
Gentle fruity-floral radiance; restrained, elegant rose warmth; naturalness enhancer without asserting pineapple or plum identity. Premium attars requiring Bulgarian rose character; fine fragrance EDPs. IFRA Cat 4 compliant at 20% compound load
0.05–0.10% in CompoundRose Asserts Clearly
Rose asserts itself clearly; plum and dark fruit emerge; honey quality develops. Ideal for rose EDPs, bridal attar blends, and personal care with rose theme. At 20% EDP load: finished product 0.010–0.020% — check combined rose ketone total
0.10–0.20% in CompoundFull Jammy Rose Character
Full jammy rose; blackcurrant and wine notes prominent; tobacco facets emerging. Premium attar (dabba), oriental rose accords, Gulf-export fragrances. At 20% EDP load: 0.020–0.040% in finished product — near Cat 4 limit; count all rose ketones
0.20–0.40% in CompoundVery Dark — IFRA Caution
Very dark, rich, jammy; syrupy rose-plum; tobacco becomes significant. Concentrated bakhoor bases, ultra-rich attars, specialist compositions. CAUTION: at 20% EDP load, 0.20% in compound = 0.040% in finished product — very close to Cat 4 limit
>0.40% in Compound (pure)Exceeds IFRA Cat 4 Limit
Approaches or exceeds IFRA combined rose ketone limit at typical fragrance loads. Not recommended for commercial Cat 4 fine fragrance. Experimental blending or home fragrance/candle (Cat 12, higher limit: 0.171% in finished) only
Sensory Analysis
Olfactory Evolution
Opening · 0–10 min
Radiant Rose Explosion
The opening of Beta Damascone at approximately 0.1% in DPG is one of the most described in perfumery literature — an immediately radiant, intensely jammy rose presence that does not smell like a single flower but rather like the emotional memory of a garden of dark roses after summer rain. For a Pakistani perfumer who has grown up with gulab ki khushbu at weddings and Eid gatherings, it will feel simultaneously familiar and revelatory: it is the essence of what makes a great gulab attar transcend its ingredients. In Pakistan’s summer heat, particularly on Lahore’s hot skin at 42–45°C, this radiance is amplified — body warmth accelerates the release of Beta Damascone’s enone structure from the skin surface, creating a more immediate and intense rose explosion than experienced in cooler climates. This heat-bloom effect is a genuine commercial advantage for Pakistani summer fragrances.
Heart · 10 min – 2 hr
Jammy Plum & Wine Depth
As the initial radiance develops, Beta Damascone’s fruity facets come forward: the dark plum and blackcurrant notes that distinguish it from a simple floral rose material assert themselves with increasing confidence. A subtle wine-like resonance — described by industry sources as the character that elevates great Chypres and Orientals from competent to iconic — develops in this phase. Honey nuances emerge from the interaction of the enone carbonyl with skin lipids, creating a warm sweetness that sits between the floral and the oriental. Jean-Claude Ellena has noted that this phase of Beta Damascone — the dark fruit emergence — is what gives perfumes containing rose ketones their distinctive living quality, the impression that the fragrance is breathing and evolving rather than merely evaporating. In Pakistani attar formats (DPG carrier), the non-volatile base slows evaporation, extending this heart phase and creating the hallmark depth of a premium gulab attar.
Dry-down · 2–4 hr
Warm Tobacco & Honey
As the more volatile top-note rose character recedes, Beta Damascone’s warm tobacco and honey facets become the dominant impression. This dry-down phase is particularly appreciated in the Gulf export market and in Pakistan’s male oriental fragrance segment, where warm, slightly smoky depth is a conventional marker of quality. Beta Damascone’s moderate LogP (~3.0) ensures meaningful skin absorption; laboratory headspace sampling confirms it desorbs slowly from the stratum corneum over 4–6 hours at body temperature — exceptional longevity for a molecule of its size. In Karachi’s humid climate (70–90% RH monsoon), this dry-down phase extends further as humidity slows evaporation from the skin surface, making Beta Damascone-enhanced fragrances particularly long-lasting for Karachi consumers. The warm honey-tobacco accord it creates in this phase complements base musks (Galaxolide, Ethylene Brassylate) and oriental bases (patchouli, benzyl benzoate) with extraordinary naturalness.
Fixative · 4 hr+
Rose Fabric Ghost
Beta Damascone’s substantivity is one of its most commercially valuable properties for Pakistani consumers who wear fragrances on cotton shalwar kameez and dupattas. The molecule partitions readily into textile fibres from skin contact, creating a persistent ghost presence that continues releasing throughout the day. Pakistani consumers appreciate this fabric-detected rose warmth as an additional dimension of the fragrance experience — a subtle, warm rose presence in the fabric that reinforces the overall impression hours after the initial skin application has faded. The compound’s role as a “fixative enhancer” also extends the perceived longevity of the entire accord: its presence creates a coherent rose-fruity impression that the olfactory system experiences as a unified, lasting whole rather than a series of disappearing components. Base notes (oud, sandalwood, musks) seem to hold longer in its presence.
Three production-ready formulas from the Bio Shop™ Pakistan reference document. All ingredients available at bioshop.pk. Formula 1 is a DPG attar (no alcohol — Halal for all markets). Formula 2 is a Midnight Rose EDP compound using Perfume Premix as the sole alcohol base. Formula 3 is a body lotion fragrance compound. IFRA Note: Beta Damascone is restricted; back-calculation notes are included in every formula — check combined rose ketone total for each product type.
Gulab-e-Shahi · گلاب شاہی
Royal Rose Attar · DPG-based, no alcohol · 100g compound · Roll-on dabba · Premium wedding & Eid gifting; Gulf export
Weigh PEA, Citronellol, Geraniol, Geranyl Acetate first; add Rose Wardia, Benzyl Benzoate, Patchouli. Add Beta Damascone 10% DPG and Ethyl Vanillin 10% DPG (measure these with precision — 0.01g balance minimum). Add DPG last; stir gently until homogeneous. Macerate 48–72 hours sealed in amber bottle before filling roll-on. Longevity: 6–8 hours on skin; 12+ hours on fabric. Target: premium wedding gifting, Eid dabba, Gulf export.
⚠ IFRA Back-Calculation: Beta Damascone actual in compound = 1.5% × 10% = 0.15%. This compound is the finished attar (100% concentration). 0.15% in finished product EXCEEDS Cat 4 limit of 0.043%. Use this compound at 30% dilution in DPG: 30g compound + 70g DPG → finished attar with 0.15% × 30% = 0.045% Beta Damascone — compliant within 0.043% Cat 4 limit (adjust other ingredients proportionally in diluted format).
Raat-ki-Gulab · رات کی گلاب
Midnight Rose EDP Compound · Perfume Premix base only · 100g compound · Urban female consumers; anniversary; bridal
⚠ IFRA Back-Calculation at 20% EDP load: Beta Damascone actual in compound = 0.18%; Alpha Damascone actual = 0.03%; Combined = 0.21%. In finished EDP (20% load): 0.21% × 20% = 0.042% — within Cat 4 limit of 0.043% ✓. Do not increase Beta Damascone beyond 1.8% of 10% DPG without recalculating combined rose ketone total.
Gulab-e-Subah · گلاب صبح
Morning Rose Body Lotion Compound · Use 1% in finished lotion base · 100g compound · Premium skincare; female consumers 20–45; Karachi/Lahore urban
Add 5g compound (1%) to lotion base at trace stage (below 40°C). Stir gently until homogeneous. Adjust pH to 5.5–6.5. Allow to stabilise 24–48 hours before QC. Performance: soft, delicate jammy rose on application; dries to warm skin-rose with musk. 4–6 hour longevity on skin. EU allergen note: Hydroxycitronellal must be declared in EU/UK leave-on products above 0.001%.
⚠ IFRA Cat 1 Leave-on Check: Beta Damascone actual in compound = 1.0% × 10% = 0.10%. Compound at 1% in lotion: 0.10% × 1% = 0.001% in finished lotion — within Cat 1 limit of 0.010% ✓. Safe for leave-on body lotion application.
Synergies
Classic Pairings
Beta Damascone is the quintessential rose accord builder and radiance modifier. The following pairings represent the most commercially validated and technically authoritative combinations for Pakistani formulation, drawn directly from the reference document. All ratios shown as compound percentages.
Rose Ketone · CAS 23726-92-3 · C2=C3 ring double bond vs C1=C2 in Beta
Aroma vs. Beta Damascone
More metallic, green-apple, minty; less sweet and jammy; sharper; less dark-fruit depth; more austere quality
Odour Threshold / IFRA
~0.001 ppb — similar potency · ⚠ IFRA Restricted (same Rose Ketones Group Standard; combined limit counts both)
Use With Beta Damascone
Ideal companion: BD 0.15% + AD 0.03% = complete rose ketone duo; Apple-metallic edge from AD sharpens BD’s jammy depth
Pakistan Application
Strategic complement for rose accords needing metallic-green freshness alongside jammy depth; excellent in rose-chypre compositions
Verdict: Best companion in rose ketone duo. Note: combined IFRA limit applies — count both towards 0.043% Cat 4 total. Available at bioshop.pk/products/alpha-damascone-10-in-dpg
Damascenone
Rose Ketone · CAS 23696-85-7 · 1,3-cyclohexadiene ring (two double bonds)
Aroma vs. Beta Damascone
More ethereally floral, lighter rose, apple-fruity; most volatile of the series; less jammy depth; luminous rather than dark
Odour Threshold / IFRA
~0.0002 ppb — even more potent than Beta · ⚠ IFRA Restricted (same combined Rose Ketones group limit)
Use With Beta Damascone
Strongest positive synergy: together they complete each other’s rose character; floral luminosity (Damascenone) + dark jammy depth (Beta) = maximum naturalness
Pakistan Application
Not in current Bio Shop™ stock; premium materials from international suppliers; use at very low levels if available due to extreme potency
Verdict: The perfect rose-ketone complement to Beta Damascone at ultra-trace levels. Critical: combined IFRA limit applies to all three isomers. Check Bio Shop™ Pakistan for availability.
Gamma Methyl Ionone
Ionone / Orris · Methyl-substituted ionone · Powdery violet-orris character
Aroma vs. Beta Damascone
Powdery violet, orris root, woody; no jammy rose or dark-fruit identity; completely different family; much less potent (~5 ppb threshold)
Odour Threshold / IFRA
~5 ppb — significantly less potent · ✓ IFRA Not Restricted · Not in Rose Ketones group; no shared limit with Beta Damascone
Use With Beta Damascone
Complementary rather than competitive: Gamma Methyl Ionone adds powdery orris complexity at 0.5–2%; pairable with Beta Damascone in sophisticated floral-oriental accords
Pakistan Application
Useful for adding powdery vintage rose complexity; does not count towards IFRA Rose Ketones limit — regulatory advantage over rose ketone additions
Verdict: Not a substitute — completely different character. Use as a complementary powdery-floral modifier alongside Beta Damascone, not instead of it. IFRA unrestricted advantage. Available at bioshop.pk
Rose Wardia
Speciality Rose Base · Multi-component rose reconstruction compound
Aroma vs. Beta Damascone
Broader, more accessible full rose character; fresh petals, light sweetness; lacks Beta Damascone’s precision, potency, and dark-jammy depth
Odour Threshold / IFRA
Medium — significantly less potent · ✓ IFRA Not restricted as a base · Check component IFRA status for individual materials in base
Use With Beta Damascone
Excellent support: Rose Wardia 3–5% provides structural rose body; Beta Damascone 0.08–0.15% adds the dark-jammy depth that makes the accord premium
Pakistan Application
Widely used in Pakistani attars as a foundational rose element; combining with Beta Damascone elevates the accord from standard to export-quality
Verdict: Rose Wardia + Beta Damascone is a powerful combination — Rose Wardia provides the body, Beta Damascone provides the radiance and depth that defines premium gulab attar quality. Available at bioshop.pk/products/rose-wardia
Safety & Regulations
IFRA & Safety Overview
Educational summary of publicly available regulatory data as of 2024. Always consult the current IFRA Standards (51st Amendment), ingredient Safety Data Sheet, RIFM Safety Database, and your regulatory advisor before commercial formulation. This document does not constitute regulatory or safety advice.
Beta Damascone is a Restricted fragrance ingredient under the IFRA 51st Amendment (June 2023), governed by the Rose Ketones Group Standard. The critical rule: the combined sum of ALL rose ketone isomers (Beta Damascone + Alpha Damascone + Damascenone + any other) in the finished product must not exceed the category limits. Category 4 (fine fragrance, EDP, EDT, cologne, aftershave): 0.043% combined rose ketones maximum. Category 1 (body lotion, leave-on): 0.010%. Category 9 (rinse-off: shampoo, shower gel): 0.014%. Category 12 (room diffuser, candle): 0.171%. Back-calculate: Cat 4 at 20% EDP load means max compound concentration = 0.043% ÷ 20% = 0.215% total combined rose ketones in compound. Always verify compliance before production.
⚠️
EU Allergen Declaration — Mandatory for Export
Beta Damascone is classified as a contact allergen under EU Cosmetics Regulation 2023/1545 (updating Annex III). In products sold in the EU and UK, its presence must be declared on the product label above 0.001% in leave-on products and above 0.01% in rinse-off products. For Pakistani brands exporting to EU markets, this requires precise documentation of rose ketone content. At 1.0% of the 10% DPG solution in a compound (= 0.10% actual Beta Damascone), at 20% compound load in finished EDP = 0.020% in finished product — above the leave-on declaration threshold. Contact an EU regulatory consultant for export product label compliance. Pakistan domestic law (DRAP) does not currently mandate this declaration.
✅
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 Beta Damascone freely, with IFRA limits as industry best-practice reference. Halal status is confirmed: commercial grade is produced by total chemical synthesis (citral → pseudoionone → ionone → cyclogeranic acid → Grignard reaction → pyrolysis). No animal-derived materials, no ethanol carrier (DPG), no fermentation, no genetically modified organisms at any stage. Bio Shop™ Pakistan provides manufacturer Halal compatibility documentation on request. Synthetic origin is preferable to natural rose absolute for halal applications: unlike rose absolute (solvent-extracted), synthetic Beta Damascone contains no trace solvent residues.
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Human Safety Profile — FEMA GRAS 3243
Acute oral LD₅₀ in rat >2,000 mg/kg (low acute oral toxicity). Dermal LD₅₀ in rabbit >2,000 mg/kg (low acute dermal toxicity). Mutagenicity: negative in Ames test and in vitro chromosome aberration assay. Phototoxicity: not classified. Reproductive toxicity: not classified, no developmental toxicity data of concern. FEMA GRAS 3243 for food flavouring applications. RIFM assessment confirms safe under IFRA conditions of use. Flash point >100°C TCC — not classified as flammable liquid. Key caution: positive in murine LLNA skin sensitisation assay — the basis for IFRA restriction. Always wear nitrile gloves and safety glasses when handling pure material. Ventilated workspace required for neat-material handling.
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Environmental — Moderate Aquatic Concern
Aquatic toxicity: moderately toxic to aquatic organisms (LC50 fish 0.5–5 mg/L). The enone functional group undergoes slow oxidative degradation under environmental conditions. At typical consumer product usage levels (0.05–0.20% in compound; 0.010–0.040% in finished product), real-world aquatic exposure from consumer use is negligible. Formulators of rinse-off products (shampoos, shower gels) should note this in sustainability documentation but need not limit use for regulatory reasons. Dispose of waste concentrate responsibly — dilute before drain disposal. Do not discharge neat or concentrated material directly to drainage.
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Sensitisation & Handling Precautions
Beta Damascone is classified as a skin sensitiser (positive LLNA assay) — the primary basis for IFRA restriction. Repeated skin exposure to undiluted or high-concentration material may cause allergic contact dermatitis in susceptible individuals. PPE for handling pure material: nitrile gloves, safety glasses, ventilated workspace. The 10% DPG dilution significantly reduces sensitisation risk during formulation. In aqueous formulations, the enone group may undergo Michael addition with nucleophilic amines or thiols — conduct accelerated stability testing for complex personal care matrices. UV exposure causes photoisomerisation ((E)→(Z) conversion), reducing potency — always use amber glass storage. First aid: skin contact — wash thoroughly with soap and water; if sensitised, seek medical advice. Inhalation of vapours: move to fresh air.
Handling & Storage
Storing in Pakistan’s Climate
Temperature
Store at 10–20°C; refrigeration preferred for long-term stock. Chemical stability acceptable to 30°C short-term. Above 35°C accelerates oxidative degradation and (E)→(Z) isomeric conversion, both reducing potency and odour quality
Container Type
Sealed amber glass (UV protection) mandatory for pure grade. HDPE acceptable short-term. Avoid clear PET — UV transmission causes photoisomerisation. Never use copper or iron vessels — metal ions catalyse oxidation. Fill containers completely to minimise headspace
Light Exposure
Primary degradation risk for pure material and 10% DPG. UV radiation causes (E)→(Z) photoisomerisation, directly reducing olfactory potency. Inner room or dark cupboard mandatory. Amber glass provides best barrier. Never store near windows or on exposed shelves
Shelf Life
Pure grade: 2–3 years from manufacture (sealed, cool, dark); 5+ years refrigerated. 10% DPG: 18–24 months — DPG may absorb atmospheric moisture, accelerating oxidation. Opened: re-seal immediately; evaluate odour quality quarterly; label with date opened
Measuring Technique
Pure grade: analytical balance (±0.001g) required for concentrations below 0.10% in 100g batches. 10% DPG grade: standard digital scale (±0.01g) adequate for 100g+ batches. Always use 10% DPG dilution unless precision equipment is available
Post-Opening Protocol
Re-seal immediately after each use. Purge headspace with nitrogen blanket if available for bulk containers. Invert bottle once to wet the cap seal. Label with date opened. Transfer bulk stock to smaller working bottles to minimise repeated oxygen exposure
Lahore Summer (May–Aug)
Temperatures routinely exceed 42–45°C in summer. A dedicated cool storage room or domestic refrigerator is essential May–August. Never store in vehicles during summer — car temperatures reach 60°C+. Never store near roof or south-facing wall. Insulated cooler boxes for any transportation during peak heat months
Karachi Coastal Climate
High humidity 70–90% RH during June–September monsoon season presents dual threat: moisture condensation on containers and moisture ingress into partially opened bottles accelerates enone hydrolysis and oxidation. Always use air-tight amber glass with silica gel desiccant packs in storage area. Air conditioning essential June–September. Inspect container seals monthly
⚠ Adulteration check: Authentic Beta Damascone at ≥98% GC is colourless to pale yellow, Sp. Gr. 0.928–0.932. Field test: prepare 0.1% in DPG — must show a clearly defined, intensely jammy rose-plum radiance with honey-tobacco undertone; character should be distinctly more radiant and jammy than Alpha Ionone or Gamma Methyl Ionone at the same concentration. If the sample smells woody-violet (= ionone substitution), weak (= undisclosed dilution), or focuses as sharp green-apple without jammy depth (= incorrect isomer ratio), reject the batch. For critical commercial applications, send to a food/cosmetic testing laboratory for GC-FID assay verifying CAS 23726-91-2 at ≥98% GC. Always demand Certificate of Analysis with batch number from any supplier.
FAQs
Frequently Asked Questions
How do I verify the purity of Beta Damascone? What adulterants should I watch for in Pakistan?+
The most reliable field verification without laboratory equipment is a comparative odour assessment at 0.1% in DPG against a documented reference standard. Authentic Beta Damascone at 0.1% in DPG delivers an immediately apparent jammy rose-plum radiance with honey-tobacco undertones — a character that is distinctive and unmistakable to a trained nose. Three common Pakistani market adulterants must be screened for. First, undeclared DPG or carrier dilution: the material performs at only 10–20% of expected strength in formula, suggesting it has already been diluted but is being sold as pure. Second, ionone substitution or blending: the odour shifts from rose-jammy to woody-violet with no dark fruit presence — this indicates the sample contains alpha-ionone or gamma-methyl ionone rather than Beta Damascone. Third, incorrect isomer ratio (Z-isomer excess): the rose character is present but weaker and less focused, lacking the characteristic radiance — this indicates poor synthesis quality with a higher proportion of the weaker (Z)-isomer. A secondary field test: add 0.2% of the suspect material to a simple floral accord (PEA 15% + Linalool 10% + Citronellol 8% in DPG) — genuine Beta Damascone immediately lifts and enriches the rose character with dark fruit depth. Adulterated material will fail to transform the accord convincingly. For critical commercial applications, send a sample to a local food or cosmetic testing laboratory for GC-FID assay — CAS 23726-91-2 at ≥98% GC with (E)-isomer content ≥95% is the target specification. Always purchase from documented suppliers with Certificate of Analysis and batch number.
How should I store Beta Damascone in Pakistan’s hot, humid climate?+
Storage management is critical for Beta Damascone’s long-term quality and potency. The pure material or 10% DPG solution should be stored in sealed amber glass bottles in a cool, dark environment below 20°C. In Lahore, where summer temperatures routinely exceed 42–45°C from May through August, a dedicated cool storage room or domestic refrigerator is essential during this period — heat accelerates both oxidative degradation at the allylic positions of the cyclohexene ring and (E)→(Z) isomer conversion, both of which reduce odour quality and potency. Never store in vehicles during Lahore summer, and avoid storing near roof surfaces or south-facing walls where ambient temperatures are highest. In Karachi, the combination of heat and high humidity (70–90% RH during June–September monsoon) presents a dual challenge: moisture ingress into partially opened containers accelerates both enone hydrolysis and oxidative degradation. Always use air-tight containers with intact seals, store in air-conditioned space during June–September, and keep silica gel desiccant packets in the storage area. For both cities: never store on open shelves; always use amber glass; fill containers as full as possible to minimise oxygen headspace; re-seal immediately after each use and label with the date of opening. Under these conditions, the pure grade maintains quality for 2–3 years from manufacture date; opened containers should be evaluated quarterly and used within 12–18 months.
Is Beta Damascone Halal? What is its exact synthesis origin?+
Yes — Beta Damascone as stocked by Bio Shop™ Pakistan is fully Halal. The evidence is as follows. Commercial Beta Damascone is produced by total chemical synthesis, not from any animal or biological source. The synthesis pathway proceeds from citral (derived from lemongrass oil — a plant-origin material) through pseudoionone (formed by aldol condensation with acetone), followed by acid-catalysed cyclisation to ionone, oxidative rearrangement to cyclogeranic acid derivatives (using petrochemical reagents), reaction with allyl magnesium bromide (a Grignard reagent from petrochemical sources), and thermal pyrolysis (Cope rearrangement at 200–250°C) to yield (E)-Beta Damascone. No animal-derived raw materials are involved at any stage. No ethanol is used as a carrier — the Bio Shop™ Pakistan stock is supplied in DPG (dipropylene glycol), which is a synthetic petrochemical solvent, itself fully Halal. No fermentation processes or genetically modified organisms are involved. The mineral acid catalysts (sulfuric acid, sodium carbonate for neutralisation) are inorganic. There is no Islamic scholarly prohibition on synthetic aroma chemicals of petrochemical origin, and Beta Damascone is widely used by Muslim perfumers globally, including in Gulf, Saudi, and UAE markets. For formal halal certification documentation, Bio Shop™ Pakistan can provide manufacturer Halal compatibility letters on request for professional accounts.
What is the correct usage percentage? When should I use pure vs. 10% DPG?+
Usage guidelines depend on both your application type and your equipment. In fragrance compounds, pure Beta Damascone is typically used at 0.05–0.20% by weight; the 10% DPG version is used at 0.5–2.0% in the compound to achieve the same effective concentration (1.0% of 10% DPG = 0.10% actual Beta Damascone). Always calculate combined rose ketone total: if you are also using Alpha Damascone or any other rose ketone isomer, their concentrations must be added to Beta Damascone’s for IFRA compliance purposes. For Cat 4 fine fragrance at 20% compound load, maximum combined rose ketones in compound = 0.043% ÷ 20% = 0.215%. Regarding format choice: use pure grade (≥98% GC) if you have a precision analytical balance (±0.001g or better) and are an experienced formulator comfortable with high-impact materials — this is the most cost-efficient format per effective dose. Use 10% DPG grade for all other situations: hobbyists, small-batch attar making, beginners, and anyone working with standard digital kitchen scales (±0.1g). The 10% DPG grade makes accurate measurement possible for 100g+ batches without milligram-precision equipment, and the DPG carrier reduces sensitisation risk during handling. When in doubt, always start with the 10% DPG version and add the pure grade to your practice only when you’ve developed reliable measuring discipline for this potency class.
What is the difference between synthetic and natural Beta Damascone for my application?+
For practical formulation purposes, the distinction is entirely moot: natural Beta Damascone does not exist as a commercially available isolated material. Natural rose otto contains Beta Damascone at 0.001–0.005% by weight — present in such vanishingly small quantities that isolation is commercially completely infeasible. All commercially available Beta Damascone — including Bio Shop™ Pakistan’s stock — is synthetic. The synthetic material is chemically identical to the natural form; a GC-MS analysis cannot distinguish them. For Halal purposes, the synthetic origin is actually preferable to natural rose absolute: rose absolute is produced by solvent extraction (hexane or ethanol) and may contain trace solvent residues, whereas synthetic Beta Damascone in DPG contains no such concerns. For marketing purposes in international markets, the origin can truthfully be described as “nature-identical” in contexts where local marketing regulations permit such claims — the material occurs in nature and is structurally identical. For Pakistani domestic, Gulf export, and standard cosmetic applications internationally, synthetic fragrance grade is the unambiguous recommendation for cost, consistency, availability, and halal clarity.
Which Pakistani consumers respond best to Beta Damascone fragrances?+
Beta Damascone’s jammy rose-plum character resonates most strongly with four primary Pakistani consumer segments. First, bridal and wedding consumers: the rich, dark rose quality aligns perfectly with the premium fragrance expectations of brides and their families, for whom gulab (rose) is the culturally central fragrance note of baraat processions, nikah ceremonies, and walima celebrations. A Beta Damascone-enhanced gulab attar communicates luxury, tradition, and quality simultaneously — a combination that commands premium pricing in the wedding market. Second, urban female consumers aged 25–45 in Karachi and Lahore who aspire to Western fragrance aesthetics but prefer local pricing: these consumers recognise the rich, dark floral quality from imported fragrances and respond positively when it appears in a locally formulated product at accessible price points. Third, Gulf export channel buyers — Pakistani communities in UAE, Saudi Arabia, Kuwait, and Bahrain retain a strong preference for high-quality rose fragrances, and Beta Damascone-enhanced attars and EDPs compete credibly with Gulf-priced imports when formulated professionally. Fourth, premium male oriental fragrance buyers: at lower concentrations (0.05–0.08%) with tobacco and patchouli support, the Beta Damascone rose-tobacco accord has strong masculine appeal for the mehndi/baraat fragrance segment. Seasonal peaks: Eid ul-Fitr, Eid ul-Adha, wedding season (October–March), and Muharram memorial events where floral offerings are traditional.
How should I name Beta Damascone-enhanced products in Urdu? How does it perform in Pakistan’s heat?+
Recommended Urdu naming vocabulary for Beta Damascone-featuring compositions draws on rose culture and Islamic heritage: Gulab-e-Shahi (گلاب شاہی — Royal Rose), Shab-e-Gulab (شب گلاب — Rose Night), Gulab-e-Noor (گلاب نور — Light of Rose), Raat-ki-Gulab (رات کی گلاب — Midnight Rose), Surkhab-ki-Mehek (سرخاب کی مہک — Fragrance of the Flamingo, for a dark passionate rose), Gulab-e-Subah (گلاب صبح — Morning Rose, for a lighter lotion formula). For hot weather performance: Beta Damascone is an exceptionally well-suited ingredient for Pakistan’s climate. Its moderate volatility (BP ~100°C at 2 mmHg) means it does not flash off instantly in heat as citrus or aldehyde top notes do; instead, body warmth at 38–42°C actually accelerates its optimal release from skin, enhancing perceived strength and creating the characteristic heat-bloom effect. Lahore and Karachi summer temperatures are essentially ideal conditions for Beta Damascone to diffuse at its best. The moderate LogP (~3.0) also contributes to Pakistan-weather performance: it partitions into skin lipids at body temperature, creating a skin reservoir that releases slowly throughout the day even in hot conditions. This substantivity-in-heat profile makes Beta Damascone particularly valuable for Pakistani summer attars and body products where top notes evaporate quickly but heart-base materials need to perform for hours.
What is Bio Shop™ Pakistan’s sourcing standard for Beta Damascone? How do I buy it?+
Bio Shop™ Pakistan sources Beta Damascone from internationally certified fine-chemical suppliers with full documentation including Certificate of Analysis (CoA), Safety Data Sheet (SDS), and Halal compatibility documentation. The pure grade meets ≥98.0% GC purity with (E)-isomer content ≥95% of total damascone by specification. The 10% DPG grade is prepared by precise gravimetric dilution of the pure grade in pharmaceutical-grade DPG. Both formats are available at bioshop.pk with delivery across Pakistan. For bulk orders of 500g or more, contact Bio Shop™ directly for volume pricing. Certificate of Analysis is available for every batch on request by emailing with your order number. Bio Shop™ Pakistan does not sell adulterated material and can provide the full documentation chain from manufacturer to final product. To purchase: Pure Grade → bioshop.pk/products/beta-damascone · 10% in DPG → bioshop.pk/products/beta-damascone-10-in-dpg. Recommendation for new customers: begin with the 10% DPG version to familiarise yourself with this potency class; progress to the pure grade once you have established reliable measuring protocols and understand the extreme potency of this material at ≥98% concentration.
Everything on this page and substantially more — complete synthesis mechanism for the cyclogeranic acid route with all four steps detailed, full structure-odour relationship analysis of the rose ketone series, landmark perfume appearances including YSL Paris, Jardins de Bagatelle, and Opium with documented rose ketone roles, complete natural occurrence data across Bulgarian Rose Otto and allied naturals, IFRA 51st Amendment full category limits table, field verification protocols for purity testing without laboratory equipment, three complete product concepts (Gulab-e-Shahi attar, Raat-ki-Gulab EDP, Gulab-e-Subah body lotion), Islamic aromatic heritage — from Ibn Sina’s Canon to contemporary synthesis, advanced Pakistani consumer market segmentation analysis, and a 20-term glossary covering all key rose ketone chemistry and regulatory concepts — all compiled in one complete professional reference document.
