C4H8O2
88.11 g/mol
Flavor & FragranceDanger
Acetoin
CAS513-86-0EC208-174-1
Category
Flavor & Fragrance
Compound Class
Alcohol
Primary Use
Aroma and flavor carrier
Acetoin is a naturally occurring organic compound that contributes to the buttery flavor and aroma in various foods and beverages. It is produced through fermentation and is commonly used as an aroma and flavor carrier in the food and fragrance industries.
Flavor and aroma carrier in food productsFragrance ingredient in consumer goods
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
ReferenceSame Category
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Flavoring agent and fragrance ingredient
ReferenceSame Category
6,10-Dodecadienal, 3,7,11-trimethyl-, (6E)-
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Fragrance ingredient
ReferenceSame Category
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Fragrance ingredient
ReferenceSame Category
3-(methylthio)-1-hexanol
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Flavor and fragrance ingredient
Safety Reference
Danger
H226Flammable liquid and vapour
H228Flammable solid
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Acetoin (CAS 513-86-0) is 2914.40.
HS code (international, 6-digit)
2914.40
EU CN code (8-digit)
2914 40 90
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
3-hydroxybutan-2-one
InChIKey
ROWKJAVDOGWPAT-UHFFFAOYSA-N
SMILES
CC(C(=O)C)O
Synonyms (43)
- (S)-3-HYDROXY-2-BUTANONE
- 1-Hydroxethyl methyl ketone
- 1-Hydroxyethyl methyl ketone
- 2,3-Butanolone
- 2-Acetoin
- 2-Butanol-3-one
- 2-Butanone, 3-hydroxy-
- 2-Butanone, 3-hydroxy-, (R)-
- 2-Butanone, 3-hydroxy-, dimer
- 2-Hydroxy-3-butanone
- 2-hydroxy-3-oxobutane
- 3-Oxo-2-butanol
- 3-hydroxy-2-butanone
- 3-hydroxy-2-oxobutane
- 3-hydroxy-butane-2-one
- 3-hydroxybutan-2-one
- 3-hydroxyl-2-butanone
- 3H-2B butanone
- ACETOIN MONOMER
- ACETOIN(MAY INCLUDE DIMER)
- Acethoin
- Acetoin (natural)
- Acetoin (~90%)
- Acetoin dimer
- Acetoin, >=96%, natural
- Acetyl methyl carbinol
- Butan-2-one, 3-hydroxy-
- DL-Acetoin
- Dimethylketol
- Methanol, acetylmethyl-
- acetoin
- acetoine
- acetylmethyl-
- b-oxobutane
- beta-oxobutane
- gamma-Hydroxy-beta-oxobutane
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