Names
Preferred IUPAC name: Acetyl chloride
Systematic IUPAC name: Ethanoyl chloride
Other names
Acyl chloride
Identifiers
CAS Number: 75-36-5
3D model (JSmol): Interactive image
ChEBI: CHEBI:37580
ChemSpider: 6127
ECHA InfoCard: 100.000.787
EC Number: 200-865-6
PubChem CID: 6367
RTECS number: AO6390000
UNII: QD15RNO45K
UN number: 1717
InChI
SMILES
Properties
Chemical formula: CH3COCl
Molar mass: 78.49 g/mol
Appearance: Colorless liquid
Density: 1.104 g/ml, liquid
Melting point: −112 °C (−170 °F; 161 K)
Boiling point: 52 °C (126 °F; 325 K)
Solubility in water: Reacts with water
Magnetic susceptibility (χ): -38.9·10−6 cm3/mol
Structure
Dipole moment: 2.45 D
Hazards
GHS pictograms: The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), The corrosion pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word: Danger
GHS hazard statements: H225, H302, H314, H318, H335, H402, H412
GHS precautionary statements: P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P301+312, P301+330+331, P303+361+353, P304+340, P305+351+338, P310, P312, P321, P330, P363, P370+378, P403+233
NFPA: 704
NFPA: 704 four-colored diamond 332W
Flash point: 4 °C (39 °F; 277 K)
Autoignition temperature: 390 °C (734 °F; 663 K)
Explosive limits: 7.3–19%
Related compounds
Related acyl chlorides: Propionyl chloride, Butyryl chloride
Related compounds: Acetic acid, Acetic anhydride, Acetyl bromide