Flavors & Fragrances

Isomethyl Ionone

Cosmetic Grade Fragrance, Fine Fragrance Grade· 127-51-5

Isomethyl Ionone

alpha-Isomethylionone, alpha-Cetone, Isoraldiene, Iraldeine gamma

CAS
127-51-5
Potency
Assay >=92% (GC)
Grade
Cosmetic Grade Fragrance, Fine Fragrance Grade
Form
Colorless to pale yellow clear liquid
Specification
>=92%
MOQ
5 kg
Synonym
alpha-Isomethylionone, alpha-Cetone, Isoraldiene, Iraldeine gamma
Formula

C14H22O

MW
206.32
EINECS
204-846-3
Package
5kg sealed aluminum bottle, 25kg plastic drum
Stabilizer
Nitrogen-protected sealed light-blocking container

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Product Overview & Core Technical Identity

SUNWAY supplies high-purity Isomethyl Ionone (alpha-isomethylionone, 3-methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one), a premium cyclic ketone fragrance raw material identified by CAS 127-51-5, EC 204-846-3 and FEMA No. 2714, listed under FDA 21 CFR 172.515 and supplied within IFRA-compliant, RIFM fragrance safety assessment scope and EU Regulation 1223/2009 cosmetic ingredient requirements. This colorless to pale yellow clear liquid carries a refined woody-violet floral sweetness; it is a classic high-quality middle note used in feminine fine perfumes, floral-woody complexes and premium cosmetic fragrances. Controlled fractional distillation and isomer purification guarantee stable GC assay and consistent violet-woody odor profile batch to batch. Every batch completes full GC assay, density, refractive-index and safety-indicator testing, with 12-month sealed sample retention for full quality traceability. Mixed consolidated shipment with other SUNWAY fragrance ingredients is supported to lower overall procurement and logistics costs.

Technical Identity

Test Items

Standards

Test Results (Typical)

Appearance

Colorless to pale yellow clear liquid

Complies

Odor

Woody violet floral, sweet characteristic

Complies

Assay (GC)

>=92.0%

93.8%

Density (25 C)

0.925 - 0.929 g/mL

0.927 g/mL

Refractive Index nD20

1.498 - 1.502

1.5005

Acid Value

Max 1.0 mg KOH/g

0.3 mg KOH/g

Solubility in Water

Slightly soluble

Complies

Solubility in Ethanol

Clear solution; soluble in propylene glycol and non-volatile oils

Clear

Heavy Metals (as Pb)

Max 10 mg/kg

Below 10 mg/kg

Arsenic (As)

Max 1.0 mg/kg

Below 1.0 mg/kg

Physiological Functions & Industry Application Logic

1.Sweet Violet Floral Heart Note Isomethyl Ionone delivers a refined, sweet violet heart that is smoother and rounder than ordinary methyl ionone, giving feminine perfumes their signature soft violet floral body without a sharp or rough edge.

2.Woody-Powdery Orris Modulator Its woody, powdery and orris-like undertone harmonizes rose, jasmine, freesia, peony and narcissus accords, balancing fresh floral top notes and lending a mature, elegant floral-woody depth to high-grade fragrance complexes.

3.Fine Perfume Long-Lasting Middle Note As a stable cyclic ketone it forms the persistent middle note of fine perfume, blending with citrus top notes, hedione, oakmoss, musk and vanilla base notes to extend fragrance persistence and fix the floral-woody accord.

4.Floral-Warm Accord for Feminine Fragrance The sweet floral-woody character bridges fresh citrus and warm amber-vanilla bases, supporting feminine eau de parfum, floral bouquet and chypre complexes where a soft, elegant violet warmth is required.

5.Cosmetic & Soap Fragrance Stabilizer Isomethyl Ionone resists oxidation and alkaline saponification conditions, retaining a stable violet-woody scent in skin-care fragrances, toilet soap and daily-use essences, while masking unpleasant base-material odors of emulsions and soap noodles.

Key Property Reminder: Isomethyl Ionone is an easily oxidized, light-sensitive oily liquid. Long exposure to air, light and heat causes color darkening, odor deterioration and acid-value rise; it must be stored under nitrogen protection, sealed, dark and away from oxidizing substances, and finished fragrance dosage shall comply with current IFRA concentration limits.

Sunway Packaging, Supply & Delivery Capacity

Standard Packaging Specifications

Trial Small Batch: 5kg sealed light-blocking aluminum bottle with nitrogen headspace, leak-proof and oxidation-resistant for high-grade perfume-house formula R&D and small-batch trial compounding.

Industrial Bulk Shipment: 25kg sealed food-grade plastic drum with inner liner, stable for long-term warehouse storage and ocean transit of cosmetic, perfume and household fragrance programs.

Custom Service: Custom filling weight, nitrogen-flushed sealing and private-label printing available for long-term cooperative fine fragrance houses and cosmetic manufacturers.

Stable Spot Inventory & Supply Capacity

SUNWAY maintains year-round sealed spot stock of Isomethyl Ionone without seasonal out-of-stock risks. Long-term strategic cooperation with certified fractional distillation manufacturers, together with independent dark dry storage zones, ensures stable batch-to-batch GC assay and violet-woody odor profile for mass procurement demand of perfume houses, cosmetic factories and soap manufacturers.

Mixed Consolidated Shipment Support

Isomethyl Ionone can be consolidated with other SUNWAY fragrance ingredients into one container on separated pallets to prevent cross-odor contamination, eliminating separate delivery fees and cutting overall procurement and warehouse management costs.

Global Export Logistics & Lead Time

Main Export Regions: Western Europe, Southeast Asia, North America, Middle East, Latin America

Professional logistics team with rich customs clearance experience for fragrance and cosmetic-grade cargo

Sample Order Lead Time: 1-3 working days after deposit confirmation

Bulk Industrial Order Lead Time: 7-10 working days after deposit payment

Shipment Options: Sea freight, air freight, customer-designated forwarder with real-time order tracking

Authorized Industrial Application Scenarios

4.1 High-Grade Fine Perfume Compounding

Applicable Finished Goods: Feminine eau de parfum, violet floral bouquet, chypre, floral-woody and men's woody fougere perfumes Core Value: Builds a smooth, sweet violet middle note, balances citrus top and amber base notes, and supplies long-lasting elegant persistence; dosage shall follow current IFRA permitted concentration ranges.

4.2 Cosmetic & Personal-Care Fragrance

Applicable Finished Goods: Body lotion, shower gel, shampoo, facial essence, skin cream, deodorant Core Value: Delivers an elegant violet-woody body-care aroma, masks base-material odor of emulsions and surfactant systems, and meets EU Regulation 1223/2009 cosmetic ingredient documentation requirements.

4.3 Soap & Household Essence

Applicable Finished Goods: Toilet soap, laundry detergent, fabric softener, air freshener, scented cleaning essence Core Value: Resists alkaline and washing conditions, stabilizes household floral-woody fragrance, masks unpleasant base-material odor and imparts a long-lasting violet scent after washing and drying.

4.4 Candle & Specialty Scented Products

Applicable Finished Goods: Scented candles, room diffusers, textile fragrance sachets, wax melts Core Value: Provides a violet-woody fragrance that survives high-temperature wax blending and slow room release, harmonizing with woody, sweet and musk base fragrances in specialty scented products.

Full-Cycle QC & Compliance Credentials

SUNWAY Four-Stage Full-Cycle Quality Control System

1.Raw Material Incoming Inspection: Every incoming batch passes GC assay, density, refractive index, odor-panel and acid-value evaluation before warehousing; unqualified batches are strictly rejected.

2.Intermediate Process Monitoring: Real-time temperature control during fractional distillation and fractionation; regular sampling inspection of GC assay, isomer composition, color and odor profile.

3.Finished Product Full-Index Detection: Every outgoing batch completes all test items listed on the official COA, covering GC assay, density, refractive index, acid value, heavy metals and safety indicators.

4.12-Month Batch Sample Retention Mechanism: Sealed nitrogen-protected representative samples of each batch are preserved for 12 months to support full quality traceability for any after-sales quality verification.

Complete Batch Export Documents Provided Per Shipment

Official Batch COA with full GC chromatogram data

MSDS / SDS Global Safety Data Sheet

TDS Technical Datasheet

IFRA compliance declaration with current amendment number; RIFM safety assessment reference statement

Cosmetic ingredient compliance statement aligned to EU Regulation 1223/2009; FEMA 2714 / FDA 172.515 compliance reference; allergen disclosure support upon request

Global Compliance Standards

Fragrance grade meets IFRA Standards, RIFM fragrance safety assessment scope and EU Regulation 1223/2009 cosmetic ingredient requirements; finished-product maximum use levels for perfume, skin leave-on, rinse-off and household categories are documented per current IFRA amendments. Safety-indicator thresholds satisfy cross-border import inspection requirements of EU, USA, Southeast Asia and other target markets.

Storage, Handling & Shelf Life Guidance

Standard Storage Environment

Store unopened original packaging in a tightly closed, cool and dark warehouse at 10-25 C, under nitrogen protection, with relative humidity Max 60%. Keep strictly away from direct sunlight, heat sources, air exposure and strong oxidizing chemicals. Prevent oxidation that causes darkening, acid-value rise and odor deterioration.

Post-Opening Handling Tips

Reseal the bottle or drum tightly immediately after each sampling, top up with nitrogen when feasible, and finish consumption within 30 days to prevent oxidation, color darkening and odor weakening. Transfer residual liquid into small-volume sealed light-blocking containers for long-term preservation.

Special Operation Reminder

All sampling and batching operations shall be carried out in a dry, ventilated area away from open flame; avoid prolonged contact with air. Do not co-store with strong oxidizers, and avoid repeated drastic temperature fluctuations that promote condensation inside the package.

Valid Shelf Life

24 months under intact sealed nitrogen-protected dark storage; GC assay, physical indicators and odor are fully guaranteed within the expiry date.

Sunway Core Competitive Advantages

- High-Purity Distilled Fragrance Raw Material Stable Supply Chain Direct cooperation with professional fractional distillation manufacturers; strict control over GC assay, isomer composition and foreign-odor impurities, with consistent batch-to-batch refined violet-woody odor profile superior to generic market ionone materials.

- Fine-Perfume-Oriented Formulation Technical Support Our aroma formulation specialists provide free one-to-one consultation on high-grade perfume and cosmetic essence formula adjustment, offering reference suggestions on dosage, IFRA limits and accord matching to solve weak violet notes or odor imbalance; custom mixed-fragrance pre-blending service is negotiable.

- Complete Standardized Export Documentation System Full set of standardized export papers with the GC chromatogram attached to the batch COA, together with IFRA and RIFM compliance declaration, meeting customs inspection and third-party laboratory re-test requirements of global fragrance-importing countries.

- Flexible Tiered Pricing & Order Volume Matching 5kg sealed trial bottles are supported for laboratory formula development; favorable bulk tiered prices apply to 25kg drum shipments, balancing R&D trial demand and mass-production cost control.

- Fragrance Series Mixed-Loading Capability Container mixed loading with other SUNWAY fragrance ingredients on separated pallets eliminates cross-odor pollution risk and helps customers reduce comprehensive logistics expenditure across perfume, cosmetic and household fragrance programs.

Looking for a Reliable Isomethyl Ionone Supplier?

If you are seeking stable, high-purity Isomethyl Ionone with complete international compliance documents, Sunway (Hangzhou) Biotechnology Co., Ltd. is your reliable China partner.

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