Skip to main content

4-Chlorobutyryl chloride

Also known as: 4-Chlorobutanoyl chloride, 4-Chlorobutyl chloride, γ-Chlorobutyryl chloride, Butanoyl chloride, 4-chloro-

4-Chlorobutyryl chloride (CAS 4635-59-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H6Cl2O and a molecular weight of 140.996 g/mol. Key properties include a melting point of -47 °C, a boiling point of 174.3±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 70.2±20.2 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4635-59-0
Jingsj CID
J-1318871-1
Molecular Formula
C4H6Cl2O
Molecular Weight
140.996 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-47 °C
Boiling Point174.3±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point70.2±20.2 °C
Exact Mass139.979568
PSA17.07000
LogP1.44
Vapor Pressure1.2±0.3 mmHg at 25°C
Refractive Index1.442

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage
  • H330 — Fatal if inhaled

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 4-Chlorobutyryl chloride?

The CAS number of 4-Chlorobutyryl chloride is 4635-59-0.

What are the molecular formula and molecular weight of 4-Chlorobutyryl chloride?

4-Chlorobutyryl chloride has molecular formula C4H6Cl2O and molecular weight 140.996 g/mol.

Is 4-Chlorobutyryl chloride hazardous?

4-Chlorobutyryl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H330 — Fatal if inhaled.

What are the upstream and downstream products of 4-Chlorobutyryl chloride?

For 4-Chlorobutyryl chloride, Upstream Products: 4-Chlorobutyric acid, Butyryl chloride, cyclopropane; Downstream Products: N-Methoxy-N-methylbutanamide, (S)-N-(1-amino-1-oxobutan-2-yl)-4-chlorobutanamide, 4-chloro-1-(4-methoxyphenyl)butan-1-one.

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

Last updated:

How to cite: Jingsj. "4-Chlorobutyryl chloride (CAS 4635-59-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1318871-1 (accessed 2026-11-09).

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