Arsanilic acid

对氨基苯胂酸

Also known as: 4-Aminophenylarsonic acid, p-Arsanilic acid, 4-Aminobenzenearsonic acid, 4-Arsonoaniline, 4-arsanilic acid, (4-Aminophenyl)arsonic acid, Arsenic acid anilide, NSC 2023, 4-Aminophenylarsonsaeure, Arsonic acid, As-(4-aminophenyl)-

Arsanilic acid (CAS 98-50-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8AsNO3 and a molecular weight of 217.054 g/mol. It is also known as 4-Aminophenylarsonic acid, p-Arsanilic acid and 4-Aminobenzenearsonic acid. Key properties include a melting point of ≥300 °C(lit.), a boiling point of 528.5±52.0 °C at 760 mmHg and a flash point of 273.4±30.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98-50-0
Jingsj CID
J-1101183-5
Molecular Formula
C6H8AsNO3
Chinese Name
对氨基苯胂酸
Molecular Weight
217.054 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point≥300 °C(lit.)
Boiling Point528.5±52.0 °C at 760 mmHg
Flash Point273.4±30.7 °C

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Arsanilic acid?

The CAS number of Arsanilic acid is 98-50-0.

What are the molecular formula and molecular weight of Arsanilic acid?

Arsanilic acid has molecular formula C6H8AsNO3 and molecular weight 217.054 g/mol.

Is Arsanilic acid hazardous?

Arsanilic acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Arsanilic acid (CAS 98-50-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1101183-5 (accessed 2026-10-22).

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