2,3,4-Trihydroxybenzoic acid

2,3,4-三羟基苯甲酸

Also known as: 2,3,4-Trihydroxybenzoic acid hydrate, Pyrogallol-4-carboxylic acid, Pyrogallic acid-4-carboxylic acid, PYROGALLIC ACID-4-CARBOXYLIC ACID, Benzoic acid, 2,3,4-trihydroxy-

2,3,4-Trihydroxybenzoic acid (CAS 610-02-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6O5 and a molecular weight of 170.120 g/mol. It is also known as 2,3,4-Trihydroxybenzoic acid hydrate, Pyrogallol-4-carboxylic acid and Pyrogallic acid-4-carboxylic acid. Key properties include a melting point of ~205 °C (dec.)(lit.), a boiling point of 437.5±45.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 232.5±25.2 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
610-02-6
Jingsj CID
J-5662-9
Molecular Formula
C7H6O5
Chinese Name
2,3,4-三羟基苯甲酸
Molecular Weight
170.120 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point~205 °C (dec.)(lit.)
Boiling Point437.5±45.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point232.5±25.2 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3,4-Trihydroxybenzoic acid?

The CAS number of 2,3,4-Trihydroxybenzoic acid is 610-02-6.

What are the molecular formula and molecular weight of 2,3,4-Trihydroxybenzoic acid?

2,3,4-Trihydroxybenzoic acid has molecular formula C7H6O5 and molecular weight 170.120 g/mol.

Is 2,3,4-Trihydroxybenzoic acid hazardous?

2,3,4-Trihydroxybenzoic 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. "2,3,4-Trihydroxybenzoic acid (CAS 610-02-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5662-9 (accessed 2026-10-22).

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