The molecule that changed modern perfumery — a transparent, velvety, cedar-amber bicyclic ketone developed by IFF in 1973 that simultaneously functions as top-note booster, heart backbone, and base fixative. The singular ingredient behind Dior Fahrenheit, Hermès Terre d'Hermes, and the minimalist skin-scent revolution of Molecule 01. IFRA-Restricted: observe category limits in leave-on formulas.
CAS 54464‑57‑2
Identifier
~3 ppb
Odour Threshold
IFRA Restricted
51st Amend.
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Quick Reference
At a Glance
Common Names
Iso E Super® · OTNE · Isocyclemone E · Ambralux · Anthamber · Orbitone · Patchouli Ethanone
~3 ppb — moderate-low threshold · ~1% of population carry specific anosmia (OR1A1 genetic variant) · Medium radiant diffusion
Typical Use Level
Fine fragrance/attar: 5–20% compound · Personal care: 0.5–2% in formula · Candle: 5–8% · Room diffuser: 10–20% · Body lotion: observe IFRA Cat. 4
Shelf Life (sealed)
24 months below 25°C, away from UV · Add BHT 0.02% to bulk stock in tropical storage · Opened: use within 12–18 months
Fragrance Family
Woody Amber / Transparent Woody / Bois-Violette · Appears at top, heart AND base simultaneously — unique multi-level molecule
Urdu / Pakistan Name
Lakridi Amber (لکڑی عنبر) · Velvet Lakri (ویلویٹ لکڑی) · Transparent Wood — the modern halal expression of the cedar-resin aromatic tradition
Introduction
The Molecule That Changed Perfumery
Iso E Super is the molecule that changed modern perfumery. In a world where raw materials from cedarwood forests, ambergris spermaceti, and Himalayan musk deer had defined fragrance for centuries, a single synthetic bicyclic ketone — transparent, velvety, mysteriously fluctuating on skin — redefined what a woody note could be. Developed by IFF chemists John B. Hall and James M. Sanders in 1973, it has since permeated virtually every category of fine fragrance and functional product. Global production now exceeds 1,800 metric tonnes per year, making it among the highest-volume aroma chemicals produced worldwide. Its cultural landmarks — Dior's Fahrenheit (1988), Hermès' Terre d'Hermes (2006), and Escentric Molecules' Molecule 01 (2005) — place it in the highest tier of 20th-century aroma chemistry achievement.
For the Pakistani aromatic community, Iso E Super offers a particularly compelling opportunity. Pakistan's fragrance culture is built on oil-based attars — richly layered, skin-intimate, long-lasting blends anchored in oud, sandalwood, and florals. Iso E Super serves as the perfect transparent base note that elevates these traditions: it gives an attar radiance without heft, skin-proximity without heaviness, and extraordinary longevity on cotton kurta fabric in Karachi's heat. Perfumers describe it as the "MSG of fragrance" — a flavour enhancer for woody and floral accords — that makes everything around it smell more expensive and more defined without announcing its own presence. As Pakistan's urban consumer increasingly gravitates toward "modern oriental" and "clean woody" aesthetics, Iso E Super is the single ingredient most likely to elevate any formulation. One important note: Iso E Super is classified as Restricted under IFRA 51st Amendment — observe category-specific limits, especially in leave-on skin products.
Bio Shop™ Pakistan — Sourcing Note
Bio Shop™ Pakistan stocks cosmetic-grade Iso E Super pure — GC-purity verified, sourced from approved international manufacturers. Suitable for fine fragrance, attar, body care, home fragrance, and candle applications. IFRA certificate and CoA documentation available on request. Use pure (never DPG-diluted) at all standard formula levels (2–20%). Measure by mass on a 0.01g digital scale. Visit bioshop.pk/products/iso-e-super for current stock and pricing.
Iso E Super reaches the Pakistani market under multiple trade names and purity grades. Understanding these differences is critical for formula accuracy and quality control. The key distinction is between the IFF-trademarked original, functionally equivalent European generic OTNE, Chinese-manufactured generic, and adulterated grey-market material. Bio Shop™ Pakistan stocks cosmetic-grade pure Iso E Super verified by CoA. Always confirm purity grade before ordering bulk quantities.
Professional Standard · Bio Shop™ Grade
Cosmetic Grade Pure
GC purity >97% · Clear to pale yellow mobile liquid · CoA verified
GC Purity
>97%
Density 0.961–0.967 g/mL · RI 1.497–1.501 · APHA ≤50
"The professional standard. Bio Shop™ Pakistan primary stock. Use pure at 2–20% in any compound or attar formula. CoA and IFRA certificate available on request. Freely liquid at room temperature — no warming needed. Always measure by weight."
Slightly broader isomeric profile · Pale to light yellow · Comparable SDS
"Functionally equivalent for most formulation purposes. Post-1993 patent expiry enabled generic production. European brands (Isocyclemone E, Anthamber, Ambralux) are reliable. Only IFF product may legally bear the Iso E Super® trademark — do not mislabel generics."
"Lower entry price point; suitable for cost-sensitive applications where slight character difference is acceptable. Verify GC trace before using in premium formulations — request CoA showing purity, density, RI, and colour (APHA) values before bulk ordering."
"Common adulterants: Cedryl Acetate (vaguely woody but no radiance), Cashmeran (warm-musky, entirely different aroma), DPG-extended material (density reads below 0.961), mineral oil. Field test: pure Iso E Super on cotton strip is transparent, velvety cedar-amber. Sharp or patchouli-heavy = suspect."
Dosage Science
Concentration Behaviour
Iso E Super behaves uniquely across usage levels — from invisible radiance booster at sub-1% to full skin-scent protagonist at 15–20%. This multi-level character is unmatched among common aroma chemicals and explains why the molecule appears simultaneously across top, heart, and base levels of the fragrance pyramid. Understanding IFRA limits is critical: the restriction applies to the finished product concentration, not the compound level — always back-calculate from your final formula dosage.
<0.5% in CompoundInvisible Radiance Boost
Nearly imperceptible as a character note; functions as a radiance amplifier for co-notes. Floral accords with 0.3% Iso E Super project further on skin; woody accords smell fresher and more distinct. Most cost-efficient use — a trace addition transforms an accord from flat to diffusive. Best: EDP top notes, fresh citrus accords, general radiance enhancement
0.5–2% in CompoundTransparent Wood Modifier
Subtle transparent cedar-amber personality; skin-warmth addition; floraliser quality emerges. Rose accords with 1% Iso E Super gain extraordinary radiance. This is the background professional level — most commercial fine fragrances include Iso E Super at this invisible structural level even when it is not the named character note. Best: floral enhancers, feminine compositions, rose accords
2–5% in CompoundClear Cedarwood-Amber
Clear cedarwood-amber personality; velvety texture emerges; excellent fixative performance begins. Bois-violette facet (violet-woody character) becomes perceptible. The classic oriental spray level for Pakistani masculine attars. At 2.5% in an EDP (20g compound in 80g Premix = 0.5% in finished product), remains within IFRA Cat. 4 leave-on safe range. Best: oriental sprays, unisex woody fragrances, chypre base
5–10% in CompoundFull Bois-Violette
Full bois-violette character — strong woody backbone; dry wood note evident; exceptional skin longevity. This is the standard Pakistani masculine attar range. Fabric substantivity on cotton kurta becomes extraordinary at this level — 8–14 hours on unwashed fabric. At 10% compound used at 20% in EDP: 2% in finished product — verify IFRA Cat. 4 compliance. Best: masculine woody sprays, cedar-dominant attars, attar bases
10–20% in CompoundMolecule-01 Skin Scent
Dominant Molecule 01-style character; skin-scent effect fully engaged; OR1A1 tachyphylaxis creates the signature "disappear and reappear" oscillating perception. The Fahrenheit/Terre d'Hermes structural protagonist level — used by Jean-Claude Ellena at ~55% in Terre d'Hermes compound. For Pakistani attar (DPG base): 10–15% Iso E Super delivers 10–14 hr longevity on skin. Best: minimalist skin-scent attars, cedar-dominant masculine EDPs, signature accords
>20% in Compound (leave-on)IFRA Limit — Back-Calculate
Exceeds IFRA Category 4 restriction at typical compound usage in leave-on finished products. Exceeding 20% compound is permissible only in non-leave-on applications (room diffusers, candles, ambient) or where the compound is used at a very low finished-product percentage. In DPG attar (applied as full-strength oil): exercise caution with IFRA Cat. 4 limits. Always perform a full IFRA back-calculation before commercial launch at this level.
Sensory Analysis
Olfactory Evolution
Top Note Booster · 0–30 min
Radiance Launcher
Unlike most base notes that remain silent in the opening, Iso E Super contributes to the top note stage as a radiance amplifier. Its OR1A1 receptor interaction primes the nose to perceive co-ingredients more clearly — citrus, spice, and green top notes feel more vivid, projected, and diffusive when Iso E Super is present. It is not detectable as a character note in the opening at moderate doses; instead, it functions as an invisible lift system. In Pakistan's summer heat (Lahore 42°C, Karachi 38°C), this top-note enhancement is commercially critical — hot weather accelerates the burnoff of citrus and spice notes, and Iso E Super's boosting function extends their perceived presence on skin by priming the receptor to receive them more fully.
Heart Backbone · 30 min – 4 hr
Velvet Wood
In the heart, Iso E Super reveals its full character: a smooth, transparent cedarwood-amber with the distinctive bois-violette (violet-woody) facet that makes it unlike any natural material. A subtle iris-violet quality emerges alongside the dry cedar register. Perfumers describe the texture as "velvet wood" — a smooth, non-sharp, non-aggressive woody presence that sits close to the skin without projecting aggressively. This is the Fahrenheit effect: a masculine woody note that feels intimate rather than loud. With Hedione or Geraniol as co-notes, a "Grojsman Accord" quality emerges — the Iso E Super amplifies the floral brightness of its companions, creating a blooming woody-floral effect described by Sophia Grojsman as the structural heart of Calvin Klein Eternity. For Pakistani formulators, this stage is where oud-ISO E Super blends find their richest complexity.
Base Skin Scent · 4–24 hr
The Disappearing Act
Iso E Super's most fascinating olfactory behaviour manifests in the base: the "disappearing and reappearing" skin-scent phenomenon. Due to OR1A1 receptor tachyphylaxis — rapid desensitisation after sustained exposure — Iso E Super fades from conscious perception within seconds of close-contact smelling, then reappears minutes later as the receptor resets. The wearer periodically re-perceives their own fragrance as if freshly applied. This is the Molecule 01 effect codified by Geza Schoen: a fragrance that follows you like a second skin, noticed by others more than by the wearer. On cotton fabric (kurta, kameez), the LogP ~4.5 ensures extraordinary fibre substantivity — traces remain detectable on unwashed fabric for 5–7 days. For Pakistan's cultural context, this fabric longevity is commercially valuable: the lingering wood-amber on a Friday kurta carries the same social significance as the original application.
Fabric Persistence · 24–170+ hr
Fabric Legend
IFF laboratory data records Iso E Super longevity on smelling strips at >172 hours under controlled conditions — one of the highest longevity values in the commercial aroma chemical catalogue. On cotton fabric in Pakistani conditions (warm temperature, moderate humidity), the wood-amber character is reliably detectable for 5–7 days after application. On unwashed silk or polyester fabric, even longer. This extraordinary substantivity makes Iso E Super the preferred woody backbone for laundry fragrances, fabric softeners, and any product where "the scent you can still smell tomorrow" is a consumer expectation. For Pakistani attar makers targeting the "ek baar lagao, din bhar mehekmao" (apply once, fragrant all day) consumer promise, Iso E Super is an indispensable technical tool. Combined with Galaxolide for musk foundation and Ambroxan for skin-amber, the resulting attar base can reliably deliver the 12–24 hour skin longevity that premium Pakistani attar consumers expect.
Three production-ready formulas from the Bio Shop™ Pakistan reference document — exact weights, exact percentages. Formula 1 is a DPG attar (no alcohol — halal for all markets). Formula 2 is an EDP compound using Perfume Premix as the sole alcohol base. Formula 3 is a luxury body serum. All ingredients available at bioshop.pk. IFRA note: always back-calculate finished-product Iso E Super level against the current IFRA 51st Amendment limits before commercial launch.
Sandal-Mola Attar · سندل مولا
Pakistani Masculine Attar · DPG-based, no alcohol · 100g batch · Roll-on, dabba, or bakhoor base · Juma, Eid, wedding occasions
Dissolve Ambroxan and Galaxolide in warm DPG (40°C) with gentle stir. Add Iso E Super; mix 10 min. Add Sandalwood, Vetiver, Frankincense EOs last; stir to homogeneity. Mature 72 hrs sealed, cool, dark before bottling. Longevity: 10–14 hrs on skin. Target: Pakistani men 20–45, juma, wedding, formal business.
IFRA check: Iso E Super at 15g pure in 100g DPG attar = 15% in finished product. Verify this level against current IFRA Cat. 4 limits for your product type. For personal roll-on attar applied to small skin area, consult current IFRA Cat. 4 standard at ifrafragrance.org before commercial launch.
Velvet Shameem EDP · شمیم ویلویٹ
Transparent Wood-Amber EDP Compound · Perfume Premix base · 100g compound · Urban professional 22–45 · Modern oriental
Combine carrier oils (Jojoba + Sweet Almond + MCT). Add Vitamin E and Benzyl Benzoate; stir to blend. Add Iso E Super and Sandalwood EO last; stir thoroughly. No heat required. Package in amber glass roll-on or dropper bottle. Apply 4–6 drops to pulse points. Longevity: 6–8 hrs. Skin feels conditioned; dry within 5 min. IFRA Cat. 4: Iso E Super at 2% in finished serum — within standard leave-on limits. Consult current IFRA 51st for precise category back-calculation.
Synergies
Classic Pairings
Iso E Super is uniquely compatible with virtually all fragrance families — its transparent character functions as an amplifier for whatever surrounds it rather than clashing with co-notes. The following pairings represent the most commercially successful combinations for Pakistani formulation, drawn directly from the Bio Shop™ reference document. Iso E Super simultaneously boosts, characterises, and fixates: use it at the correct level for each role.
Warmer, muskier, more opaque; cedar-forest-spice character; "dirtier" quality — less transparent than IES
IFRA Status
✓ Permitted — no restriction. Advantage over IES in high-dose leave-on formulas
Use With Iso E Super
5–10% Cashmeran adds warm spicy depth to IES clean transparency; transforms clean woody into complex warm oriental
Pakistan Application
Excellent for Peshawar and KPK market where heavier, warmer musk character is preferred over clean molecular aesthetic
Verdict: Different role. Use Cashmeran alongside Iso E Super (not instead of) when a warmer, heavier musk-woody character is needed. Available at bioshop.pk/products/cashmeran
Ambroxan (Ambroxide)
Tricyclic Ether · Semi-synthetic from Sclareol (Clary Sage) · Skin-Amber
Aroma vs. Iso E Super
Skin-ambergris, smooth, slightly musky — entirely different register; amber not woody; threshold <1 ppb vs IES ~3 ppb
IFRA Status
✓ Permitted — no restriction. Excellent high-dose option when IES IFRA limits are reached
Use With Iso E Super
Essential companion: IES 10% + Ambroxan 1-2% = premium skin-scent accord; different receptors (OR1A1 vs OR51B4), synergistic depth
Pakistan Application
Premium skin-intimacy at 1% adds luxury character to IES-forward attars; Lahore and Karachi upscale market
Verdict: Essential companion — the IES + Ambroxan pairing is one of the most powerful modern skin-accord combinations. Available at bioshop.pk/products/ambroxan
Cedarwood Essential Oil
Natural Sesquiterpene Mix · Virginian (Juniperus virginiana) or Atlas (Cedrus atlantica) · Cedar
Aroma vs. Iso E Super
Authentic, complex, slightly rustic cedarwood with terpenoid texture — more identifiably "cedar"; less abstract than IES
IFRA Status
✓ Permitted. Natural source; batch variation; no IFRA restriction at standard doses
Use With Iso E Super
Blend: 8% Cedarwood EO + 10% IES = authentic cedar depth + transparent radiance; classic "true wood" accord
Pakistan Application
Traditional attar buyers prefer natural cedarwood; pair with IES to add longevity and radiance to authentic wood attars
Verdict: Complementary, not competing. Cedar EO for natural authenticity; IES for radiance, longevity, and transparency. Blend both for the ideal result. Available at bioshop.pk/products/cedarwood-essential-oil
Clean, sweet, musky — entirely different character; no woody facet; bloom and amplification function differs from IES transparency
IFRA Status
✓ Unrestricted Cat. 4 — key advantage when IES dosage is pushed to limit in leave-on formula
Use With Iso E Super
Industry-standard pairing — the "Grojsman base": IES transparent woody + Galaxolide clean musk = complete modern accord foundation
Pakistan Application
Galaxolide 5% + IES 10% in DPG attar = the core structure of most commercial masculine attars; dominant commercial formula pattern
Verdict: The most important pairing — the IES + Galaxolide musk-woody base is the structural foundation of modern Pakistani masculine attar formulation. Available at bioshop.pk/products/galaxolide
Safety & Regulations
IFRA & Safety Overview
Educational summary of publicly available regulatory data as of 2025. Always consult the current IFRA Standards (51st Amendment), the ingredient Safety Data Sheet, and a qualified regulatory advisor before commercial formulation. Back-calculate from compound to finished product. This document does not constitute regulatory or safety advice.
⚠️
IFRA 51st Amendment — Restricted
Iso E Super / OTNE is classified as Restricted under the IFRA 51st Amendment (notified 30 June 2023). The restriction is based on dermal sensitisation potential confirmed in patch-test studies (LLNA positive). Maximum use in finished consumer product: Category 4 (body lotion, leave-on skin) approximately 2.5% in the finished product — corresponding to ~20% in compound at 12.5% fragrance load. Category 9 (rinse-off, shower gel): up to ~5% in finished product. Always perform a full IFRA back-calculation at your specific compound percentage and finished product fragrance load. Download current IFRA Standards from ifrafragrance.org — values change between amendments.
✅
Pakistan DRAP — No Current Restriction
No current Iso E Super restriction under Drug Regulatory Authority of Pakistan (DRAP) cosmetics guidelines as of 2025. Pakistani formulators selling exclusively in the domestic market may use Iso E Super within IFRA limits freely. Bio Shop™ Pakistan recommends voluntarily following IFRA standards as professional best practice regardless of market destination. For Halal certification documentation to support your certification body's requirements, Bio Shop™ Pakistan can provide manufacturer documentation upon request.
✅
Halal — 100% Synthetic Origin
Iso E Super is halal by consensus of all major Islamic fragrance and fiqh advisory positions. It is produced entirely via Diels-Alder cycloaddition chemistry from petrochemical-derived myrcene and 3-methyl-3-penten-2-one — no animal, porcine, or alcohol source material at any synthesis stage. The INCI name (TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES) describes a pure synthetic ketone structure. In DPG-based attar (no alcohol), the finished product is fully halal. In Perfume Premix-based sprays, contemporary Hanafi fiqh (dominant in Pakistan) permits external application of ethanol-based fragrance not intended for consumption.
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Human Safety Profile
Acute oral LD₅₀ >5,000 mg/kg (practically non-toxic, rat). Acute dermal LD₅₀ >2,000 mg/kg. Skin irritation: non-irritant at standard patch test dose (rabbit). Eye irritation: mild transient irritation at high concentration only. Mutagenicity (Ames test): non-mutagenic. Phototoxicity: not phototoxic. Reproductive toxicity: no data indicating concern at regulatory review levels. Carcinogenicity: NTP 13-week study (2014) — no adverse effects; not classified carcinogenic. Key precaution: confirmed skin sensitiser (LLNA positive) — the basis for IFRA restriction. Observe dose limits in leave-on products.
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Environmental & Sustainability
Iso E Super / OTNE has passed OECD 301B Ready Biodegradability testing — environmentally favourable relative to older polycyclic materials. However, aquatic ecotoxicity data shows L(E)C50 below 1 mg/L for some aquatic species — classified as toxic to aquatic organisms at high concentrations. Not currently classified as PBT (Persistent, Bioaccumulative, Toxic) under EU assessment. EU REACH registered 2010. Do not discharge bulk Iso E Super waste into waterways or sewer systems in Karachi or Lahore. The Diels-Alder synthesis route from renewable myrcene (pine turpentine) represents a partially bio-sourced pathway with lower petroleum dependence than fully petrochemical synthetics.
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EU Allergen Labelling — Monitor Development
As of 2025, Iso E Super / OTNE is not yet on the mandatory EU Regulation 1223/2009 Annex III fragrance allergen declaration list. However, EU Regulation 2023/1545 has expanded the allergen declaration requirement significantly — SCCS is conducting ongoing scientific review of OTNE sensitisation data. Formulators exporting to the EU should monitor SCCS updates closely and maintain batch GC documentation showing TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES content for compliance readiness. For Pakistan domestic market: no allergen labelling requirement currently applies.
Handling & Storage
Storing in Pakistan's Climate
Temperature
Store below 25°C ideal; max 35°C for extended periods. Add BHT 0.02% w/w to bulk stock for tropical climate insurance against oxidative yellowing
Container Type
Amber glass or opaque HDPE preferred; food-grade stainless steel acceptable. Avoid PVC. Confirm solvent resistance before use. Seal tightly after every use.
Light Exposure
UV and direct sunlight cause slow yellowing and minor odour change at high concentration. Inner room storage or dark cupboard mandatory for all bulk stock.
Shelf Life
24 months unopened in sealed container. 12–18 months after opening if properly resealed. Unlike Galaxolide, Iso E Super is low-viscosity at 25°C — no warming needed before measuring.
Measuring Technique
Freely liquid at room temperature — measure directly with tared digital scale (min 0.01g resolution). No pre-warming required. Weigh by mass only — never by volume or dropper count.
Pre-use Handling
Pre-mix with DPG or Perfume Premix with stirring before adding to full formula for even distribution. No solubility issues at any standard formula level — freely soluble in ethanol and DPG.
Lahore (Continental)
Primary risk: extreme outdoor heat >40°C (Jun–Aug). Indoor air-conditioned storage mandatory in summer months. Winter cold is no issue — Iso E Super stays liquid to below −20°C. Cool room year-round.
Karachi (Coastal)
Primary risk: coastal humidity 70–85% RH (Apr–Sep) + summer heat 35–40°C. Seal immediately after each use. Repeated opening in high humidity can cause surface contamination. Air-conditioned storage essential.
⚠ Adulteration check: Pure Iso E Super is freely liquid at 25°C with density 0.961–0.967 g/mL. If density reads measurably below this range, material is DPG-extended. If the smell is sharp woody, heavy patchouli, or musky-dominant (not transparent cedar-amber), suspect Cedryl Acetate, Cashmeran, or mineral oil substitution. Quick field test: dilute 10% in DPG; smell fresh and at 30 min — genuine Iso E Super is transparent, velvety cedar-amber; adulterants will show as sharp, heavy, or distinctly different.
FAQs
Frequently Asked Questions
How do I verify that my Iso E Super is genuine and not adulterated in the Pakistan market?+
The most reliable verification is Gas Chromatography (GC-FID analysis), which shows the correct isomeric profile for Iso E Super / OTNE. In the absence of GC equipment, perform three field tests: (1) Olfactory strip test — dilute 10% in DPG; smell fresh and at 30 min. Genuine Iso E Super is transparent, velvety, cedar-amber with a subtle violet quality. Sharp or obviously patchouli-heavy character indicates Cedryl Acetate or Cashmeran substitution. (2) Density check — pure Iso E Super reads 0.961–0.967 g/mL at 20°C; DPG-extended material reads measurably lower. (3) Request the supplier's Certificate of Analysis (CoA) showing GC purity >95%, refractive index (1.497–1.501), density, and colour (APHA ≤80) values. Bio Shop™ Pakistan provides CoA documentation with all products. Avoid informal Pakistani market "Iso E" of unknown origin — grey-market substitution with Cashmeran, Cedryl Acetate, and DPG cuts is documented.
How should I store Iso E Super in Pakistan's hot and humid climate?+
In Karachi (coastal humidity 70–85% RH, summer heat 35–40°C): store in sealed amber glass or opaque HDPE containers in an air-conditioned room below 25°C. Reseal immediately after each use — do not leave the container open to humidity. In Lahore (continental heat, summer outdoor temperatures exceeding 40°C from June to August): indoor air-conditioned storage is mandatory during these months. Iso E Super will not freeze in Pakistan's winter (melting point below −20°C). For long-term tropical storage of bulk material, add BHT antioxidant at 0.02% w/w as insurance against oxidative yellowing. Properly stored and unopened, Iso E Super retains quality for 24 months; opened stock should be used within 12–18 months for optimal formulation quality.
Is Iso E Super halal? What exactly is its origin?+
Yes, Iso E Super is halal by consensus of all major Islamic fragrance and fiqh advisory positions. The specific reasons: (1) It is 100% synthetically produced via Diels-Alder chemistry from petrochemical-derived myrcene and 3-methyl-3-penten-2-one. There is no animal, porcine, or alcohol source material at any synthesis stage. (2) It does not contain ethanol at any manufacturing stage and is not derived from any intoxicating substance. (3) The INCI name — TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES — describes a pure synthetic bicyclic ketone with no connection to any prohibited natural source. When used in a DPG-based attar (no alcohol), the finished product is fully halal. When used in an ethanol-based spray (Perfume Premix only), contemporary Hanafi fiqh — the dominant school in Pakistan — permits external application of such fragrances not intended for consumption. Consult your local scholar for individual rulings if you have specific concerns.
What is the correct use percentage? Should I use pure or a diluted version?+
Always use Iso E Super pure — never in DPG dilution — because its typical usage levels (2–20%) make dilution unnecessary and create calculation complexity. DPG dilutions are only needed for trace-level materials like Rose Oxide, Indole, or Calone where 0.01–0.1% of pure material is too small to weigh on standard lab scales. For Iso E Super: use pure at 2–20% in compound or attar formula, weighed on a 0.01g-resolution digital scale. Bio Shop™ Pakistan stocks Iso E Super in pure form only — the correct grade for all standard applications. Formula guideline: 2–5% for subtle transparent backbone; 5–10% for clear cedar-dominant character; 10–20% for Molecule-01-style skin-scent protagonist. Always IFRA back-calculate at your final compound percentage and finished-product fragrance load.
Natural cedarwood oil or synthetic Iso E Super — which is better for a traditional Pakistani attar?+
Both have distinct and complementary roles. Natural cedarwood oil (Virginian or Atlas) provides authentic, complex, slightly rustic woody character with its own terpenoid complexity — ideal for attars referencing classical Mughal or South Asian aesthetics. Iso E Super provides modern, transparent, radiant woody-amber character that natural cedarwood cannot achieve — superior longevity, transparency, and olfactory sophistication. The ideal solution for most Pakistani masculine attars is a blend: 5–8% natural cedarwood EO for authentic woody grounding plus 8–12% Iso E Super for transparency, radiance, and long-wearing substantivity. This combination gives the traditional attar buyer the "real wood" recognition they expect while providing the contemporary consumer the clean, radiant longevity they value. Both are available at bioshop.pk.
How does Iso E Super's IFRA restriction work in practice?+
Iso E Super is Restricted — not Prohibited — under IFRA 51st Amendment, meaning it has specific maximum use levels in finished consumer products, not a total ban. The key calculation is: IFRA limit applies to the FINISHED product, not the compound. Example: if the IFRA Cat. 4 leave-on limit is approximately 2.5% in the finished product, and you use 20g compound in 80g Perfume Premix (EDP = 20% compound in finished product), then your compound may contain up to 12.5% Iso E Super (12.5% × 20% = 2.5%). For a DPG-based attar applied neat as a concentrated oil: Iso E Super percentage in the attar IS the finished product percentage — so an attar with 15% Iso E Super exceeds typical leave-on limits. Always download the current IFRA Standards Excel from ifrafragrance.org and back-calculate for your specific product category and usage level. For Pakistan domestic market sales only, IFRA compliance is voluntary best practice — not a legal requirement.
Which Pakistani consumers respond best to Iso E Super-dominant fragrances?+
The highest receptivity to Iso E Super-dominant fragrances is among urban professional males aged 22–40 in Lahore, Islamabad, and Karachi who are familiar with international fragrance brands (Escentric Molecules, Hermès, Maison Margiela Replica). The second-highest receptivity group is young women in Karachi's cosmopolitan market who value "clean woody" and "skin-scent" aesthetics in modern feminine fragrances. Festival and wedding market consumers appreciate Iso E Super-anchored formal attars where dignity, longevity, and clean-woody character define quality. Traditional attar buyers in smaller cities and older consumers may find pure Iso E Super-dominant fragrances "too weak" compared to heavier attars — for this segment, blend with stronger oud, saffron, or resin notes (frankincense, patchouli) to add familiar weight. Seasonally: IES excels in Pakistan's summer heat as a skin-intimate non-oppressive woody; winter wedding season calls for heavier oriental blends where IES serves as the transparent woody backbone.
What Urdu brand names work for Iso E Super products? How does it perform in Pakistan's heat?+
Effective Urdu/Urdu-inspired product names for Iso E Super-based compositions should reference wood (Lakri لکڑی), velvet (Makhmal مخمل), amber (Amber عنبر), or cedar (Arz ارز). Recommended names: Lakridi Shameem (لکڑی شمیم, Woody Scent); Velvet Attar (ویلویٹ عطر); Sandal-e-Noor (سندل نور, Sandalwood of Light); Shamim-e-Arz (شمیم ارز, Cedar Fragrance); Mitti Aur Sandal (for the Molecule-01-inspired skin-scent concept). For summer performance: Iso E Super excels in Pakistan's heat. Its moderate vapour pressure means it does not blast off skin at 40°C but diffuses at a controlled, pleasing rate — unlike heavy florals that can become overwhelming in Lahore's June heat. For summer attars, 10–12% Iso E Super in DPG base provides excellent 8–10 hour performance even in Lahore's June heat. Avoid using above 15% in large-area leave-on products in extreme heat — IFRA limits take priority. In Karachi's summer, balance heavy woody-IES accords with a citrus or aquatic element (Lemon EO or Bergamot) to prevent the composition from feeling oppressive.
The Bio Shop™ Pakistan Iso E Super reference document covers everything on this page and substantially more — complete Diels-Alder synthesis mechanism with step-by-step reaction diagrams, full isomeric profile analysis with relative odour potency of each diastereomer, detailed OR1A1 receptor science and tachyphylaxis mechanism, landmark fragrance history table (Halston 1975 to Molecule 01 2005), full Grojsman Accord documentation, REACH registration summary, complete MSDS/SDS technical specifications, advanced IFRA back-calculation worked examples, aquatic ecotoxicity data (OECD 301B), Pakistani market segmentation with three product concepts (Sandal-Mola Attar, Velvet Shameem EDP, Velvet Wood Body Serum), and a comprehensive glossary of 20 key aroma chemistry terms — all in one production-ready reference document.
