2-((4-Nitrophenyl)amino)benzoic acid

2-((4-硝基苯基)氨基)苯甲酸

Also known as: 2-(4-Nitroanilino)benzoic acid, 2-(4-nitroanilino)benzoic acid, 4'-nitrodiphenylamine-2-carboxylic acid, Anthranilic acid, N-p-nitrophenyl, Benzoic acid, 2-[(4-nitrophenyl)amino]-, N-(4-NITROPHENYL)ANTHRANILIC ACID, 4'-Nitro-2-carboxydiphenylamine, 4-Nitro-2'-diphenylaminecarboxylic acid

2-((4-Nitrophenyl)amino)benzoic acid (CAS 7221-31-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H10N2O4 and a molecular weight of 258.22900 g/mol. It is also known as 2-(4-Nitroanilino)benzoic acid, 2-(4-nitroanilino)benzoic acid and 4'-nitrodiphenylamine-2-carboxylic acid. Key properties include a boiling point of 465.5ºC at 760mmHg, a density of 1.435g/cm3 and a flash point of 235.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7221-31-0
Jingsj CID: J-923969-8
Molecular Formula: C₁₃H₁₀N₂O₄
Chinese Name: 2-((4-硝基苯基)氨基)苯甲酸
Molecular Weight: 258.22900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	465.5ºC at 760mmHg
Density	1.435g/cm3
Flash Point	235.3ºC

Frequently Asked Questions

What is the CAS number of 2-((4-Nitrophenyl)amino)benzoic acid?

The CAS number of 2-((4-Nitrophenyl)amino)benzoic acid is 7221-31-0.

What are the molecular formula and molecular weight of 2-((4-Nitrophenyl)amino)benzoic acid?

2-((4-Nitrophenyl)amino)benzoic acid has molecular formula C13H10N2O4 and molecular weight 258.22900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-((4-Nitrophenyl)amino)benzoic acid (CAS 7221-31-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-923969-8 (accessed 2026-10-23).

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