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5-Bromo-1-benzofuran-2-carboxylic acid

Also known as: 5-Bromobenzofuran-2-carboxylic acid, 2-Benzofurancarboxylic acid, 5-bromo-, 5-Bromo-1-benzofurane-2-carboxylicacid, AKOS BBS-00007932, ASISCHEM B50699, AURORA 22707, BUTTPARK 34\07-74

5-Bromo-1-benzofuran-2-carboxylic acid (CAS 10242-11-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5BrO3 and a molecular weight of 241.038 g/mol. Key properties include a melting point of 257ºC, a boiling point of 370.9±22.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 178.1±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10242-11-2
Jingsj CID
J-1427667-6
Molecular Formula
C9H5BrO3
Molecular Weight
241.038 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point257ºC
Boiling Point370.9±22.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point178.1±22.3 °C
Exact Mass239.942200
PSA50.44000
LogP3.18
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.680
Storage Conditions2-8°C

Frequently Asked Questions

What is the CAS number of 5-Bromo-1-benzofuran-2-carboxylic acid?

The CAS number of 5-Bromo-1-benzofuran-2-carboxylic acid is 10242-11-2.

What are the molecular formula and molecular weight of 5-Bromo-1-benzofuran-2-carboxylic acid?

5-Bromo-1-benzofuran-2-carboxylic acid has molecular formula C9H5BrO3 and molecular weight 241.038 g/mol.

What are the upstream and downstream products of 5-Bromo-1-benzofuran-2-carboxylic acid?

For 5-Bromo-1-benzofuran-2-carboxylic acid, Upstream Products: Diethyl bromomalonate, 5-Bromosalicylaldehyde, 1-(5-bromobenzofuran-2-yl)ethanone; Downstream Products: 5-Bromo-2-benzofuranmethanol, Ethyl 5-bromobenzofuran-2-carboxylate, Methyl 5-bromobenzofuran-2-carboxylate.

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-1-benzofuran-2-carboxylic acid (CAS 10242-11-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1427667-6 (accessed 2026-11-09).

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