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Chloroacetyl chloride

Also known as: 2-chloroacetyl chloride, ACETYL CHLORIDE,2-CHLORO-, Acetylchloride,chloro-, CH2ClCOCl, CHLORACETYL CHLORIDE, CHLORACETYLCHLORID, CHLORO ACETYL CHLORIDE, CHLORO ACETYL CHLORIDE (CAC), CHLOROACETIC CHLORIDE, CHLOROACETYL CHLORIDE FOR PHARMA SYNTHESIS, Chlorid kyseliny chloroctove, Chloroacetylchloride, EINECS 201-171-6, MFCD00000725, MONO CHLORO ACETYL CHLORIDE, alpha-Chloroacetyl chloride, chloracetyl, chloruredechloracetyle(french), monochloroacetyl chloride

Chloroacetyl chloride (CAS 79-04-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H2Cl2O and a molecular weight of 112.943 g/mol. Key properties include a melting point of −22 °C(lit.), a boiling point of 106.0±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 34.0±20.2 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
79-04-9
Jingsj CID
J-32510-1
Molecular Formula
C2H2Cl2O
Molecular Weight
112.943 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−22 °C(lit.)
Boiling Point106.0±0.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point34.0±20.2 °C
Exact Mass111.948273
PSA17.07000
LogP0.69
Additional Property3.9 (vs air)
Vapor Pressure28.8±0.2 mmHg at 25°C
Refractive Index1.430
Additional Propertyreacts
Additional Property-22.5℃

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H314 — Causes severe skin burns and eye damage
  • H372 — Causes damage to organs through prolonged exposure
  • H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Chloroacetyl chloride?

The CAS number of Chloroacetyl chloride is 79-04-9.

What are the molecular formula and molecular weight of Chloroacetyl chloride?

Chloroacetyl chloride has molecular formula C2H2Cl2O and molecular weight 112.943 g/mol.

Is Chloroacetyl chloride hazardous?

Chloroacetyl chloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.

What are the upstream and downstream products of Chloroacetyl chloride?

For Chloroacetyl chloride, Upstream Products: Chloroacetic acid, ketene, Benzotrichloride; Downstream Products: 5-Chloro-2-(chloromethyl)-1,3-benzothiazole, N-Chloroacetyl-DL-isoleucine, 2-Chloro-N-(2-chloro-5-nitrophenyl)acetamide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Chloroacetyl chloride (CAS 79-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32510-1 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.