C4H7ClO
106.55 g/mol
Industrial ChemicalDanger
Butyryl chloride
CAS141-75-3EC205-498-5
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Organic synthesis intermediate
Butyryl chloride is an organic compound that appears as a colorless liquid with an unpleasant odor. It reacts readily with water and alcohols, and is primarily used as a synthetic intermediate in organic chemistry.
Organic synthesis intermediateReagent for acylation reactions
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
Ethyl acetate
CAS141-78-6
solvent for coatings and plastics
ReferenceSame Category
Mesityl oxide
CAS141-79-7
Industrial solvent for resins and lacquers
ReferenceSame Category
Disodium malonate
CAS141-95-7
Buffering agent and chemical intermediate
ReferenceSame Category
O-isopropyl N-ethylthiocarbamate
CAS141-98-0
ore flotation agent
Safety Reference
Danger
H225Highly flammable liquid and vapour
H314Causes severe skin burns and eye damage
H290May be corrosive to metals
H302Harmful if swallowed
H318Causes serious eye damage
H331Toxic if inhaled
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Butyryl chloride (CAS 141-75-3) 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
butanoyl chloride
InChIKey
DVECBJCOGJRVPX-UHFFFAOYSA-N
SMILES
CCCC(=O)Cl
Synonyms (15)
- BUTYROL CHLORIDE
- Butanoyl chloride
- Butyric acid chloride
- Butyric chloride
- Butyroyl chloride
- Butyryl chloride
- N-BUTANOYL CHLORIDE
- N-BUTYRYL CHLORIDE
- butanoic acid chloride
- butryl chloride
- methylpropionyl chloride
- n-Butyric acid chloride
- n-PrCOCl
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