3-Cyano-4-hydroxybenzoic acid

3-氰基-4-羟基苯甲酸

Also known as: 4-Carboxy-2-cyanophenol, 5-Carboxy-2-hydroxybenzonitrile, Benzoic acid, 3-cyano-4-hydroxy-, RP112533, 3-Cyano-4-hydroxybenzoic acid 95+%

3-Cyano-4-hydroxybenzoic acid (CAS 70829-28-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5NO3 and a molecular weight of 163.130 g/mol. It is also known as 4-Carboxy-2-cyanophenol, 5-Carboxy-2-hydroxybenzonitrile and Benzoic acid, 3-cyano-4-hydroxy-. Key properties include a boiling point of 392.4±37.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 191.1±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70829-28-6
Jingsj CID
J-1160089-5
Molecular Formula
C8H5NO3
Chinese Name
3-氰基-4-羟基苯甲酸
Molecular Weight
163.130 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point392.4±37.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point191.1±26.5 °C

Frequently Asked Questions

What is the CAS number of 3-Cyano-4-hydroxybenzoic acid?

The CAS number of 3-Cyano-4-hydroxybenzoic acid is 70829-28-6.

What are the molecular formula and molecular weight of 3-Cyano-4-hydroxybenzoic acid?

3-Cyano-4-hydroxybenzoic acid has molecular formula C8H5NO3 and molecular weight 163.130 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Cyano-4-hydroxybenzoic acid (CAS 70829-28-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1160089-5 (accessed 2026-10-22).

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