2-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid

2-氨基苯酚-4-(2'-羧基)磺酰苯胺

Also known as: 2-Aminophenol-4-(2'-carboxy)sulfonanilide, 2-[[(3-Amino-4-hydroxyphenyl)sulphonyl]amino]benzoic acid, Benzoic acid, 2-[[(3-amino-4-hydroxyphenyl)sulfonyl]amino]-, N-(3-Amino-4-hydroxyphenylsulfonyl)-anthranilic acid, 2-{[(3-Amino-4-hydroxyphenyl)sulfonyl]amino}benzoic acid, 2-[[(3-amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid

2-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid (CAS 91-35-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C13H12N2O5S and a molecular weight of 308.310 g/mol. It is also known as 2-Aminophenol-4-(2'-carboxy)sulfonanilide, 2-[[(3-Amino-4-hydroxyphenyl)sulphonyl]amino]benzoic acid and Benzoic acid, 2-[[(3-amino-4-hydroxyphenyl)sulfonyl]amino]-. Key properties include a melting point of >203°C, a boiling point of 580.1±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 304.6±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
91-35-0
Jingsj CID
J-33202-0
Molecular Formula
C13H12N2O5S
Chinese Name
2-氨基苯酚-4-(2'-羧基)磺酰苯胺
Molecular Weight
308.310 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>203°C
Boiling Point580.1±60.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point304.6±32.9 °C

Frequently Asked Questions

What is the CAS number of 2-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid?

The CAS number of 2-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid is 91-35-0.

What are the molecular formula and molecular weight of 2-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid?

2-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid has molecular formula C13H12N2O5S and molecular weight 308.310 g/mol.

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

Last updated:

How to cite: Jingsj. "2-[[(3-Amino-4-hydroxyphenyl)sulfonyl]amino]benzoic acid (CAS 91-35-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33202-0 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.