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Acetyl chloride
Organic compound (CH₃COCl) / From Wikipedia, the free encyclopedia
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Not to be confused with Chloroacetic acid, Chloroacetyl chloride, Acetylcholine, or Actinium(III) chloride.
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.
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
Acetyl chloride[2] | |||
Systematic IUPAC name
Ethanoyl chloride | |||
Other names
Acyl chloride | |||
Identifiers | |||
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3D model (JSmol) |
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605303 | |||
ChEBI | |||
ChemSpider |
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ECHA InfoCard | 100.000.787 ![]() | ||
EC Number |
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1611 | |||
PubChem CID |
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RTECS number |
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UNII | |||
UN number | 1717 | ||
CompTox Dashboard (EPA) |
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Properties | |||
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) | ||
Reacts with water | |||
-38.9·10−6 cm3/mol | |||
Structure | |||
2.45 D | |||
Hazards | |||
GHS labelling: | |||
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Danger | |||
H225, H302, H314, H335, H412 | |||
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) | |||
Flash point | 4 °C (39 °F; 277 K) | ||
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).
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