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Home/Compounds/Flavor & Fragrance/Isomethyl-α-ionone
C14H22O
206.32 g/mol
Flavor & FragranceWarning

3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one

CAS127-51-5EC204-846-3
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Fragrance and cosmetic ingredient

3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one is a sesquiterpenoid compound used primarily as a fragrance ingredient. It is commonly found in cosmetic and personal care products for its scent properties.

Fragrance ingredientCosmetic product ingredient

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ApplicationSame Use

Eugenol acetate

CAS93-28-7

Fragrance and cosmetic ingredient

ApplicationSame Use

(2EZ)-α-n-hexylcinnamaldehyde

CAS101-86-0

Fragrance and cosmetic ingredient

ReferenceSame Category

Beta-pinene

CAS127-91-3

fragrance and flavoring intermediate

ReferenceSame Category

9-decen-1-ol

CAS13019-22-2

fragrance ingredient in fine fragrances and soaps

ReferenceSame Category

P-acetylphenyl acetate

CAS13031-43-1

Flavor and fragrance ingredient

ReferenceSame Category

Methyl 3-furoate

CAS13129-23-2

Flavor and fragrance intermediate

Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Customs Tariff Classification

The international HS code for 3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one (CAS 127-51-5) is 2914.23.

HS code (international, 6-digit)

2914.23

EU CN code (8-digit)

2914 23 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one

InChIKey

JRJBVWJSTHECJK-PKNBQFBNSA-N

SMILES

CC1=CCCC(C1/C=C(\C)/C(=O)C)(C)C

Synonyms (28)
  • .alpha.-Cetone
  • .alpha.-Ionone, isomethyl-
  • 3-Methyl-a-ionone
  • 8-Methyl-.alpha.-ionone
  • Alpha-isomethylionone
  • Cetone alpha
  • FEMA 2714
  • Iso-.alpha.-methyl ionone
  • Isomethyl-a-ionone
  • Isomethyl-alpha-ionone
  • Isomethylionone, alpha-
  • Isonaline 70
  • METHYL .GAMMA.-IONONE
  • Methyl ionone I
  • Methyl-alpha-isoionone
  • a-iso-Methylionone

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