Acetyl chloride

Jump to: navigation, search


A highly corrosive, fuming liquid with a pungent odor. Acetyl chloride is used as a reagent to detect the presence of cholesterol and the presence of water in organic liquids.

Synonyms and Related Terms

chloride acetic acid; acetic chloride; ethanoyl chloride

Chemical structure

Acetyl chloride.jpg

Other Properties

Reacts violently with water.

Miscible in benzene, chloroform, ether.

Composition C2H3ClO
CAS 75-36-5
Melting Point -112
Density 1.104
Molecular Weight mol. wt. = 78.50
Refractive Index 1.3898
Boiling Point 52

Hazards and Safety

Flammable. Flash point = 4C Corrosive. Contact, ingestion, and inhalation destroys tissues. Lachrymator.

Reacts violently with water.  Incompatible with water, alcohols, oxidizing agents, strong bases.  Produces toxic combustion products: carbon monoxide, hydrogen chloride, phosgene.  
International Chemical Safety Card

Sources Checked for Data in Record

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
  • MSDS Sheet Comment: MFA, Conservation and Collections Management dept.