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Acetyl chloride

Acetyl chloride
Names Preferred IUPAC name
Acetyl chloride
Systematic IUPAC name
Ethanoyl chloride
Other names
Acyl chloride
Identifiers
3D model (JSmol)
Abbreviations AcCl 605303 ChEBI
ChemSpider
DrugBank
ECHA InfoCard100.000.787EC Number
  • 200-865-6
1611
RTECS number
  • AO6390000
UNII
UN number1717
  • InChI=1S/C2H3ClO/c1-2(3)4/h1H3
    Key: WETWJCDKMRHUPV-UHFFFAOYSA-N
  • InChI=1/C2H3ClO/c1-2(3)4/h1H3
    Key: WETWJCDKMRHUPV-UHFFFAOYAQ
  • ClC(=O)C
Properties C2H3ClOMolar mass78.50 g·mol Appearance Colorless liquid Density1.104 g/ml, liquid Melting point−112 °C (−170 °F; 161 K) Boiling point52 °C (126 °F; 325 K) Reacts with water −38.9·10 cm/mol Structure 2.45 DHazards GHS labelling: DangerH225, H302, H314, H335, H412P210, P233, P240, P241, P242, P243, P260, 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, P501NFPA 704 (fire diamond)
3
3
2
W
Flash point4 °C (39 °F; 277 K) 390 °C (734 °F; 663 K) Explosive limits7.3–19% Related compounds 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).
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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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