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4-Chlorobutyric acid

Also known as: 4-Chlorobutyric acid, 4-Chlorobutanoic acid, gamma-Chlorobutyric acid, gamma-Chloro-n-butyric acid, Butanoic acid, 4-chloro-, Butyric acid, 4-chloro-, Cl(CH2)3COOH

4-Chlorobutyric acid (CAS 627-00-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7ClO2 and a molecular weight of 122.550 g/mol. Key properties include a melting point of 12-16 °C(lit.), a boiling point of 310.6±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 101.1±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
627-00-9
Jingsj CID
J-24043-7
Molecular Formula
C4H7ClO2
Molecular Weight
122.550 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point12-16 °C(lit.)
Boiling Point310.6±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point101.1±22.6 °C
Exact Mass122.013458
PSA37.30000
LogP0.70
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.449

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of 4-Chlorobutyric acid?

The CAS number of 4-Chlorobutyric acid is 627-00-9.

What are the molecular formula and molecular weight of 4-Chlorobutyric acid?

4-Chlorobutyric acid has molecular formula C4H7ClO2 and molecular weight 122.550 g/mol.

Is 4-Chlorobutyric acid hazardous?

4-Chlorobutyric acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 4-Chlorobutyric acid?

For 4-Chlorobutyric acid, Upstream Products: 4-Chlorobutyronitrile, 4-Chloro-1-butanol, Ethyl 4-chlorobutyrate; Downstream Products: 4-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)butanoic acid, Ethyl 4-chlorobutyrate, Methyl 4-chlorobutyrate.

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-Chlorobutyric acid (CAS 627-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24043-7 (accessed 2026-11-09).

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