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(4-Hydroxy-3-methylphenyl)acetic acid

Also known as: 2-(4-Hydroxy-3-methylphenyl)acetic acid, 4-Hydroxy-3-methylphenylacetic acid, Benzeneacetic acid, 4-hydroxy-3-methyl-, (4-hydroxy-3-methylphenyl)acetic acid, 4-hydroxy-3-methylbenzeneacetic acid, FC1146

(4-Hydroxy-3-methylphenyl)acetic acid (CAS 29121-56-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.174 g/mol. Key properties include a boiling point of 346.0±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 177.3±20.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
29121-56-0
Jingsj CID
J-1188647-8
Molecular Formula
C9H10O3
Molecular Weight
166.174 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point346.0±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point177.3±20.2 °C
Exact Mass166.062988
PSA57.53000
LogP1.23
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.585

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 (4-Hydroxy-3-methylphenyl)acetic acid?

The CAS number of (4-Hydroxy-3-methylphenyl)acetic acid is 29121-56-0.

What are the molecular formula and molecular weight of (4-Hydroxy-3-methylphenyl)acetic acid?

(4-Hydroxy-3-methylphenyl)acetic acid has molecular formula C9H10O3 and molecular weight 166.174 g/mol.

What are the upstream and downstream products of (4-Hydroxy-3-methylphenyl)acetic acid?

For (4-Hydroxy-3-methylphenyl)acetic acid, Upstream Products: 4-Methoxy-3-methylphenylacetic acid, Methyl 2-(4-hydroxy-3-methylphenyl)acetate, 4-Methoxy-3-methylphenylacetonitrile; Downstream Products: 4-Methoxy-3-methylphenylacetic 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. "(4-Hydroxy-3-methylphenyl)acetic acid (CAS 29121-56-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1188647-8 (accessed 2026-11-09).

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