Acetyl chloride

Acetyl chloride
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;
Beilstein Reference	605303
ChEBI	CHEBI:37580 ;
ChemSpider	6127 ;
ECHA InfoCard	100.000.787
EC Number	200-865-6;
Gmelin Reference	1611
PubChem CID	6367;
RTECS number	AO6390000;
UNII	QD15RNO45K ;
UN number	1717
CompTox Dashboard (EPA)	DTXSID2023852 ;
	InChI InChI=1S/C2H3ClO/c1-2(3)4/h1H3 Key: WETWJCDKMRHUPV-UHFFFAOYSA-N ; InChI=1/C2H3ClO/c1-2(3)4/h1H3 Key: WETWJCDKMRHUPV-UHFFFAOYAQ;
	SMILES ClC(=O)C;
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 labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H302, H314, H335, H412
Precautionary statements	P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P330, P363, P370+P378, P403+P233, P403+P235, P405, P501
NFPA 704 (fire diamond)	3 3 2 W
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
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Acetyl chloride (CH₃COCl) is an acyl chloride derived from acetic acid (CH₃COOH). It belongs to the class of organic compounds called acid halides. It is a colorless, corrosive, volatile liquid. Its formula is commonly abbreviated to AcCl.

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