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4-Bromobutyric acid

Also known as: 4-Bromobutanoic acid, 4-Bromo-n-butyric acid, Butanoic acid, 4-bromo-, Butyric acid, 4-bromo-, EINECS 220-083-9, MFCD00002817

4-Bromobutyric acid (CAS 2623-87-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7BrO2 and a molecular weight of 167.001 g/mol. Key properties include a melting point of 30-31 °C(lit.), a boiling point of 248.7±0.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 111.3±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
2623-87-2
Jingsj CID
J-46155-2
Molecular Formula
C4H7BrO2
Molecular Weight
167.001 g/mol
Category
Organic Acids
Last updated
8/21/2026
Made to Order

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Physicochemical Properties

Melting Point30-31 °C(lit.)
Boiling Point248.7±0.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point111.3±22.6 °C
Exact Mass165.962936
PSA37.30000
LogP1.01
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.495

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

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-Bromobutyric acid?

The CAS number of 4-Bromobutyric acid is 2623-87-2.

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

4-Bromobutyric acid has molecular formula C4H7BrO2 and molecular weight 167.001 g/mol.

Which suppliers offer 4-Bromobutyric acid?

1 supplier(s) listed; request a quote for pricing.

Is 4-Bromobutyric acid hazardous?

4-Bromobutyric acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

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

For 4-Bromobutyric acid, Upstream Products: 5-bromo-1-pentene, Acetyl chloride, 2-Bromoethanol; Downstream Products: 1-Bromo-3-fluoropropane, 1-Bromo-4,4,4-trifluorobutane, Butyl 4-bromobutyrate.

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-Bromobutyric acid (CAS 2623-87-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46155-2 (accessed 2026-11-09).

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