C13H20O
192.3 g/mol
Flavor & FragranceWarning
ALPHA-IONONE
CAS127-41-3EC204-841-6
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Fragrance ingredient in perfumery and flavoring agent
Alpha-ionone is an ionone compound that functions as an enone and a methyl ketone. It is widely used as a fragrance ingredient in perfumery and as a flavoring agent in food products.
Fragrance ingredient in perfumery, cosmetics, and personal care productsFlavoring agent in beverages, baked goods, and candiesIngredient in household cleaners and detergents
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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CAS 127-41-3
Related Compounds
ReferenceSame Category
Methyl ionone
CAS127-42-4
Fragrance ingredient
ReferenceSame Category
Isomethyl-α-ionone
CAS127-51-5
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
Referencestereoisomer of
Ionone
CAS8013-90-9
Fragrance ingredient
Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Identifiers
IUPAC Name
(E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one
InChIKey
UZFLPKAIBPNNCA-BQYQJAHWSA-N
SMILES
CC1=CCCC(C1/C=C/C(=O)C)(C)C
Synonyms (31)
- (5E)-IONONE
- (E)-alpha-Ionone
- (E)-alpha-lonone
- ALPHA-IONONE
- Ionone, alpha-
- Iraldeine
- a-Ionone (>90%)
- a-ionone
- alpha-(E)-ionone
- alpha-Cyclocitrylideneacetone
- alpha-Ionon
- alpha-Ionone (>90per cent)
- alpha-Ionone (natural)
- alpha-Jonone
- beta-lonone
- beta-lonone (natural)
- trans-alpha-Ionone