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2,3-Benzofurandicarboxylic acid

Also known as: 1-Benzofuran-2,3-dicarboxylic acid, 1-BENZOFURAN-2,3-DICARBOXYLIC ACID, 2,3-Benzofurandicarboxylicacid, Benzo[b]furan-2,3-dicarboxylic acid, Benzofuran-2,3-dicarboxylic acid, Benzofuran-2,3-dicarbonsaeure, MFCD05863264

2,3-Benzofurandicarboxylic acid (CAS 131-76-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H6O5 and a molecular weight of 206.15200 g/mol. Key properties include a melting point of 255-259ºC(lit.), a boiling point of 431.1ºC at 760mmHg, a density of 1.568g/cm3 and a flash point of 214.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
131-76-0
Jingsj CID
J-49307-2
Molecular Formula
C10H6O5
Molecular Weight
206.15200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point255-259ºC(lit.)
Boiling Point431.1ºC at 760mmHg
Density1.568g/cm3
Flash Point214.5ºC
Exact Mass206.02200
PSA87.74000
LogP1.82920
Vapor Pressure3.38E-08mmHg at 25°C
Refractive Index1.69

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2,3-Benzofurandicarboxylic acid?

The CAS number of 2,3-Benzofurandicarboxylic acid is 131-76-0.

What are the molecular formula and molecular weight of 2,3-Benzofurandicarboxylic acid?

2,3-Benzofurandicarboxylic acid has molecular formula C10H6O5 and molecular weight 206.15200 g/mol.

What are the upstream and downstream products of 2,3-Benzofurandicarboxylic acid?

For 2,3-Benzofurandicarboxylic acid, Upstream Products: Ethyl phenoxyacetate, Benzofuran-2,3-dione, Ethyl bromoacetate; Downstream Products: benzo[b]furan-3-carbonyl chloride, Benzofuran, Ethyl 2-(benzofuran-3-yl)acetate.

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

Last updated:

How to cite: Jingsj. "2,3-Benzofurandicarboxylic acid (CAS 131-76-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49307-2 (accessed 2026-11-09).

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