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2,4,6-Trihydroxybenzoic acid

Also known as: Phloroglucinol carboxylic acid, Phloroglucinic acid, 2,4,6-Trihydroxybenzene carboxylic acid, Benzoic acid, 2,4,6-trihydroxy-, Phloroglucincarboxylic acid

2,4,6-Trihydroxybenzoic acid (CAS 83-30-7) 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. Key properties include a melting point of ~210 °C (dec.), a boiling point of 426.5±30.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 225.9±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
83-30-7
Jingsj CID
J-24042-6
Molecular Formula
C7H6O5
Molecular Weight
170.120 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point~210 °C (dec.)
Boiling Point426.5±30.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point225.9±21.1 °C
Exact Mass170.021530
PSA97.99000
LogP1.80
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.730

Activity & Biological Data

Additional Information[1]. Sankaranarayanan R, et, al. The Flavonoid Metabolite 2,4,6-Trihydroxybenzoic Acid Is a CDK Inhibitor and an Anti-Proliferative Agent: A Potential Role in Cancer Prevention. Cancers (Basel). 2019 Mar 26;11(3):427.

Customs & Trade Information

HS Code2918290000
SummaryHS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,4,6-Trihydroxybenzoic acid?

The CAS number of 2,4,6-Trihydroxybenzoic acid is 83-30-7.

What are the molecular formula and molecular weight of 2,4,6-Trihydroxybenzoic acid?

2,4,6-Trihydroxybenzoic acid has molecular formula C7H6O5 and molecular weight 170.120 g/mol.

What are the upstream and downstream products of 2,4,6-Trihydroxybenzoic acid?

For 2,4,6-Trihydroxybenzoic acid, Upstream Products: Galangin, Kaempferol, Quercetin; Downstream Products: 5-Heptylresorcinol, Methyl 2,4,6-trimethoxybenzoate, 2,6-Dihydroxybenzoic acid.

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

Last updated:

How to cite: Jingsj. "2,4,6-Trihydroxybenzoic acid (CAS 83-30-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24042-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.