5-Bromo-2-chlorobenzoic acid
Also known as: 2-Chloro-5-bromobenzoic acid, BCBA, 5-Bromo-2-chlorobenzoate, Benzoic acid, 5-bromo-2-chloro-, 5-Bromo-2-chlorobenzoic acid for synthesis
5-Bromo-2-chlorobenzoic acid (CAS 21739-92-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4BrClO2 and a molecular weight of 235.462 g/mol. Key properties include a melting point of 154-156 °C(lit.), a boiling point of 324.5±27.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 150.1±23.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21739-92-4
- Jingsj CID
- J-8250-8
- Molecular Formula
- C7H4BrClO2
- Molecular Weight
- 235.462 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 154-156 °C(lit.) |
|---|---|
| Boiling Point | 324.5±27.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 150.1±23.7 °C |
| Exact Mass | 233.908310 |
| PSA | 37.30000 |
| LogP | 2.79 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.621 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-Bromo-2-chlorobenzoic acid?
The CAS number of 5-Bromo-2-chlorobenzoic acid is 21739-92-4.
What are the molecular formula and molecular weight of 5-Bromo-2-chlorobenzoic acid?
5-Bromo-2-chlorobenzoic acid has molecular formula C7H4BrClO2 and molecular weight 235.462 g/mol.
Is 5-Bromo-2-chlorobenzoic acid hazardous?
5-Bromo-2-chlorobenzoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 5-Bromo-2-chlorobenzoic acid?
For 5-Bromo-2-chlorobenzoic acid, Upstream Products: 4-Bromochlorobenzene, Carbon dioxide, 5-Bromo-2-chlorotoluene; Downstream Products: 5-bromo-2-chloro-4'-ethoxydiphenylmethane, 2,5-Bis(2,2,2-trifluoroethoxy)benzoic acid, (5-Bromo-2-chlorophenyl)(4-ethoxyphenyl)methanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-2-chlorobenzoic acid (CAS 21739-92-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8250-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.