C8H14O3
158.19 g/mol
Flavor & FragranceDanger
Isobutyric anhydride
CAS97-72-3EC202-603-6
Category
Flavor & Fragrance
Compound Class
Ester
Primary Use
Flavor and aroma enhancer
Isobutyric anhydride is a colorless liquid that burns skin and eyes, with vapors heavier than air. It is used as a chemical intermediate and flavor/aroma enhancer.
Chemical intermediateFlavor and aroma enhancer
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.
Sourcing Isobutyric anhydride?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ReferenceSame Category
Isobutyl isobutyrate
CAS97-85-8
flavoring and fragrance ingredient
ReferenceSame Category
2-ethylbutyraldehyde
CAS97-96-1
Fragrance ingredient
ReferenceSame Category
Furfuryl mercaptan
CAS98-02-2
flavor and fragrance ingredient
ReferenceSame Category
4-tert-butylcyclohexanol
CAS98-52-2
soap perfume and fragrance ingredient
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H311Toxic in contact with skin
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H331Toxic if inhaled
H227
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Isobutyric anhydride (CAS 97-72-3) is 2915.90.
HS code (international, 6-digit)
2915.90
EU CN code (8-digit)
2915 90 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
2-methylpropanoyl 2-methylpropanoate
InChIKey
LSACYLWPPQLVSM-UHFFFAOYSA-N
SMILES
CC(C)C(=O)OC(=O)C(C)C
Synonyms (17)
- (iso-C3H7CO)2O
- 2-METHYLPROPANOIC ANHYDRIDE
- 2-Methylpropionic anhydride
- Isobutryic anhydride
- Isobutyrate anhydride
- Isobutyric acid anhydride
- Isobutyric anhydride
- Isobutyryl anhydride
- isobutanoic anhydride
Sourcing Isobutyric anhydride?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.