C8H16O2
144.21 g/mol
Flavor & FragranceWarning
Isobutyl butyrate
CAS539-90-2EC208-729-8
Category
Flavor & Fragrance
Compound Class
Ester
Primary Use
Food flavor ingredient
Isobutyl butyrate is an ester formed from butanoic acid and isobutanol. It is used as a food flavor ingredient, particularly providing apple, banana, peach, and pineapple flavors in ice cream and confectionery.
food flavor ingredient for apple, banana, peach, and pineapple flavorsflavoring agent in ice creamflavoring agent in confectionery
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
Citral
CAS5392-40-5
Flavoring agent and fragrance ingredient
ReferenceSame Category
1-tert-butyl-4-methoxybenzene
CAS5396-38-3
fragrance and flavor ingredient
ReferenceSame Category
Benzyl acetoacetate
CAS5396-89-4
flavor and fragrance intermediate
ReferenceSame Category
3-pentanone, 1,5-diphenyl-
CAS5396-91-8
fragrance and flavor ingredient
Safety Reference
Warning
H226Flammable liquid and vapour
Customs Tariff Classification
The international HS code for Isobutyl butyrate (CAS 539-90-2) is 2915.60.
HS code (international, 6-digit)
2915.60
EU CN code (8-digit)
2915 60 19
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
2-methylpropyl butanoate
InChIKey
RGFNRWTWDWVHDD-UHFFFAOYSA-N
SMILES
CCCC(=O)OCC(C)C
Synonyms (25)
- 2-Methyl-1-propyl butyrate
- 2-Methylpropyl butanoate
- 2-Methylpropyl butanoic acid
- 2-Methylpropyl butyrate
- 2-Methylpropyl butyric acid
- BUTYRIC ACID, ISOBUTYL ESTER
- Butanoate, isobutyl ester
- Butanoic acid, isobutyl ester
- Butyrate, isobutyl ester
- FEMA 2187
- Isobutyl N-butyric acid
- Isobutyl butanoate
- Isobutyl butanoic acid
- Isobutyl butyrate
- Isobutyl butyrate (natural)
- Isobutyl n-butyrate
- Isobutylbutyrat
- n-Butyric acid isobutyl ester
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