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3-hydroxy-5-methylbenzoic acid

Also known as: 3,5-Cresotic acid, 3-HYDROXY-5-METHYL-BENZOIC ACID, 3-hydrox-5-methylbenzoic acid, Aids-018040, Aids018040, Benzoic acid, 3-hydroxy-5-methyl-

3-hydroxy-5-methylbenzoic acid (CAS 585-81-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O3 and a molecular weight of 152.147 g/mol. Key properties include a boiling point of 351.0±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 180.3±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
585-81-9
Jingsj CID
J-846838-0
Molecular Formula
C8H8O3
Molecular Weight
152.147 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point351.0±30.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point180.3±21.1 °C
Exact Mass152.047348
PSA57.53000
LogP1.96
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.600

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 3-hydroxy-5-methylbenzoic acid?

The CAS number of 3-hydroxy-5-methylbenzoic acid is 585-81-9.

What are the molecular formula and molecular weight of 3-hydroxy-5-methylbenzoic acid?

3-hydroxy-5-methylbenzoic acid has molecular formula C8H8O3 and molecular weight 152.147 g/mol.

What are the upstream and downstream products of 3-hydroxy-5-methylbenzoic acid?

For 3-hydroxy-5-methylbenzoic acid, Upstream Products: 3-Amino-5-methylbenzoic acid, 1,3-Dimethyl-5-nitrobenzene, 3-Methyl-5-nitrobenzoic acid; Downstream Products: m-Cresol, Carbon dioxide, Methyl 3-hydroxy-5-methylbenzoate.

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

Last updated:

How to cite: Jingsj. "3-hydroxy-5-methylbenzoic acid (CAS 585-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-846838-0 (accessed 2026-11-09).

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