Methyl Ionone Gamma
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Aroma Chemicals

Methyl Ionone Gamma

Unravel Perfumery ·Aroma Chemicals

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Scent FamilyFloralPowderyVioletOrris
Restricted under the IFRA Standards (51st Amendment, in force). Maximum in fine fragrance (Category 4): 30%; other product types have different limits. IFRA also specifies that pseudo methyl ionones must stay at or below 2% as an impurity. EU: Listed fragrance allergen: declare on EU cosmetic labels above 0.001% (leave-on) or 0.01% (rinse-off).

CAS 127-51-5 (methyl ionone mixture 1335-46-2) · Floral · Powdery · IFRA restricted (fine fragrance max 30%)

Methyl ionone gamma is the powdery violet-orris note behind 'lipstick' and cosmetic-style florals. It is softer and more woody-orris than plain ionones, and gives a formula a velvety, make-up-bag powderiness.

What it smells like

Powdery violet and orris with a woody, slightly fruity-floral softness. Long-lasting in the heart and dry-down.

How perfumers use it

Use it in violet, iris, powdery floral and chypre accords, and to add velvet to rose and woody blends. It pairs beautifully with ionones, musks and Iso E Super. It is IFRA restricted and an EU-labelled allergen, so check your category limit.

Blends well with: Iso E Super, Alpha Damascone, Galaxolide, Heliotropin, Cedramber.

IFRA & regulatory

Restricted under the IFRA Standards (51st Amendment, in force). Maximum in fine fragrance (Category 4): 30%; other product types have different limits. IFRA also specifies that pseudo methyl ionones must stay at or below 2% as an impurity. EU: Listed fragrance allergen: declare on EU cosmetic labels above 0.001% (leave-on) or 0.01% (rinse-off).

For use in perfumery, cosmetics and fragrance manufacturing only. Not for ingestion. Handle neat material with gloves and good ventilation. The certificate of analysis (COA) and safety data sheet (SDS) are available on request.

Frequently asked questions

What does methyl ionone gamma smell like?

Powdery violet and orris with a soft woody character, the classic 'lipstick' powder note.

Is methyl ionone gamma the same as alpha-isomethyl ionone?

Commercial 'methyl ionone gamma' is predominantly alpha-isomethyl ionone; check the certificate of analysis for the exact isomer content.

Is it IFRA restricted?

Restricted under the IFRA Standards (51st Amendment, in force). Maximum in fine fragrance (Category 4): 30%; other product types have different limits. IFRA also specifies that pseudo methyl ionones must stay at or below 2% as an impurity. EU: Listed fragrance allergen: declare on EU cosmetic labels above 0.001% (leave-on) or 0.01% (rinse-off).

Browse more aroma chemicals for perfumery. Technical and regulatory data checked 21 September 2026 against the IFRA Standards (51st Amendment) and the 52nd Amendment consultation outcome.

Pair & layer

Works beautifully with

Starting points built from our own catalogue. Dosages are % of the finished oil or parts by weight; adjust by smell.

Accord

Violet-orris powder

Powdery violet and orris — the soft 'lipstick' accord.

Use at 10–20% of a powdery floral.

Suggested levels are kept within IFRA fine-fragrance limits for the added material. Your oil already contains other materials, so check the finished blend against the IFRA Standards before selling.

IFRA and safety data sheets (SDS) for this product are shared on request. Request via WhatsApp →

Orders are dispatched within 2–7 days of confirmation. Standard delivery 4–7 business days across India. Free shipping on orders above ₹999 across India.

Opened fragrance products cannot be returned. Damaged or incorrect items resolved within 48 hours of reporting with photo.

Technical profile

Methyl Ionone Gamma, at a glance

Technical & regulatory data checked 21 Sep 2026

Molecule
C14H22O
Chemical name
alpha-Isomethyl ionone ((E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one)
CAS number
127-51-5 (methyl ionone mixture 1335-46-2)
Molecular weight
206.33 g/mol
Appearance
Colourless to pale yellow liquid
Solubility
soluble in ethanol, DPG, paraffin oil; insoluble in water
Flash point
100 °C
Also known asAlpha-isomethyl iononeMethyl ionone gamma
Performance
Note positionHeart
Odour strengthMedium
Tenacity on strip~124 h
Fleeting2 weeks+
Odour profile
Floral · Powdery
Powdery violetorriswoodysoft floral
Regulatory
IFRA restricted
30% Max. in fine fragrance
(IFRA Category 4)

EU: Listed fragrance allergen: declare on EU cosmetic labels above 0.001% (leave-on) or 0.01% (rinse-off).

Limits for other product types differ. Always check the current IFRA Standards and your local cosmetic regulations before finalising a formula.

Formulating with this material?

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