Merck
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320129

Sigma-Aldrich

Acetyl chloride

reagent grade, 98%

Linear Formula:
CH3COCl
CAS Number:
Molecular Weight:
78.50
Beilstein:
605303
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

grade

reagent grade

vapor density

2.7 (vs air)

vapor pressure

11.69 psi ( 20 °C)
32.33 psi ( 55 °C)

assay

98%

form

liquid

autoignition temp.

1353 °F

expl. lim.

19 %

refractive index

n20/D 1.389 (lit.)

bp

52 °C (lit.)

mp

−112 °C (lit.)

density

1.104 g/mL at 25 °C (lit.)

SMILES string

CC(Cl)=O

InChI

1S/C2H3ClO/c1-2(3)4/h1H3

InChI key

WETWJCDKMRHUPV-UHFFFAOYSA-N

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General description

Acetyl chloride undergoes reaction with decalin and aluminum trichloride to afford a tricyclic enol ether. It promotes the cyclopropanation of alkene with dibromomethane or diiodomethane in the presence of Zn dust and copper chloride in ether. Friedel-Crafts reaction of acetyl chloride with benzene in the presence of MCl3 (M = Al or Fe) in the ionic liquid 1-butyl-3-methylimidazolium chloride affords MCl3 adducts of the acetyl chloride, the acetylium ion [CH3CO]+[MCl4]- and the MCl3 adduct of acetophenone.

Packaging

1 kg in PVC-coated bottle

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

41.0 °F - closed cup

Flash Point(C)

5 °C - closed cup

Certificate of Analysis

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Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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