4-(Phenylazo)benzoic acid

偶氮苯-4-苯甲酸

Also known as: 4-(Phenyldiazenyl)benzoic acid, Azobenzene-4-carboxylic acid, 4-Phenylazobenzoic acid, 4-(Phenylazo)benzoic acid 98%, 4-PHENYLAZOBENZOIC ACID 98+%, 4-[(E)-Phenyldiazenyl]benzoic acid, p-Phenylazobenzoic acid, MFCD00020348, EINECS 216-347-8

4-(Phenylazo)benzoic acid (CAS 1562-93-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H10N2O2 and a molecular weight of 226.23 g/mol. It is also known as 4-(Phenyldiazenyl)benzoic acid, Azobenzene-4-carboxylic acid and 4-Phenylazobenzoic acid. Key properties include a melting point of 247-250ºC(lit.), a boiling point of 418.1ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 206.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1562-93-2
Jingsj CID
J-34125-5
Molecular Formula
C13H10N2O2
Chinese Name
偶氮苯-4-苯甲酸
Molecular Weight
226.23 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point247-250ºC(lit.)
Boiling Point418.1ºC at 760mmHg
Density1.19g/cm3
Flash Point206.7ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(Phenylazo)benzoic acid?

The CAS number of 4-(Phenylazo)benzoic acid is 1562-93-2.

What are the molecular formula and molecular weight of 4-(Phenylazo)benzoic acid?

4-(Phenylazo)benzoic acid has molecular formula C13H10N2O2 and molecular weight 226.23 g/mol.

Is 4-(Phenylazo)benzoic acid hazardous?

4-(Phenylazo)benzoic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-(Phenylazo)benzoic acid (CAS 1562-93-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34125-5 (accessed 2026-10-24).

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