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Chloroacetaldehyde

Also known as: 2-Chloro-1-ethanal, 2-Chloroethanal, Chloroethanal, chloro-acetaldehyde

Chloroacetaldehyde (CAS 107-20-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H3ClO and a molecular weight of 78.498 g/mol. Key properties include a melting point of -28--23°C, a boiling point of 85.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of -11.2±11.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
107-20-0
Jingsj CID
J-48754-8
Molecular Formula
C2H3ClO
Molecular Weight
78.498 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-28--23°C
Boiling Point85.0±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point-11.2±11.0 °C
Exact Mass77.987244
PSA17.07000
LogP0.02
Vapor Pressure70.6±0.1 mmHg at 25°C
Refractive Index1.382

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H310
  • H330 — Fatal if inhaled
  • H314 — Causes severe skin burns and eye damage
  • H335 — May cause respiratory irritation
  • H351 — Suspected of causing cancer
  • H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code2913000090
SummaryHS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Chloroacetaldehyde?

The CAS number of Chloroacetaldehyde is 107-20-0.

What are the molecular formula and molecular weight of Chloroacetaldehyde?

Chloroacetaldehyde has molecular formula C2H3ClO and molecular weight 78.498 g/mol.

Is Chloroacetaldehyde hazardous?

Chloroacetaldehyde has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of Chloroacetaldehyde?

For Chloroacetaldehyde, Upstream Products: Chloroacetaldehyde diethyl acetal, Chloroacetic acid, Chloroacetaldehyde dimethyl acetal; Downstream Products: Imidazo[1,2-a]pyridine-8-methanol, 5,6-Dihydrobenzofuran-7(4H)-one, 5-(4-Methoxyphenyl)thiophene-2-carbaldehyde.

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

Last updated:

How to cite: Jingsj. "Chloroacetaldehyde (CAS 107-20-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48754-8 (accessed 2026-11-06).

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