3-Hydroxy-4-methoxyphenylacetic acid

3-羟基-4-甲氧基苯乙酸

Also known as: (3-Hydroxy-4-methoxyphenyl)acetic acid, 2-(3-hydroxy-4-methoxy-phenyl)acetic acid, 2-(3-hydroxy-4-methoxyphenyl)acetic acid, 3-Hydroxy-4-methoxybenzeneacetic acid, 4-Methoxy-3-hydroxyphenylacetic acid, Benzeneacetic acid, 3-hydroxy-4-methoxy-, Homoisovanillic acid, Isohomovanillic acid, MFCD00016829

3-Hydroxy-4-methoxyphenylacetic acid (CAS 1131-94-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O4 and a molecular weight of 182.173 g/mol. It is also known as (3-Hydroxy-4-methoxyphenyl)acetic acid, 2-(3-hydroxy-4-methoxy-phenyl)acetic acid and 2-(3-hydroxy-4-methoxyphenyl)acetic acid. Key properties include a melting point of 128 °C, a boiling point of 371.3±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 153.1±17.2 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1131-94-8
Jingsj CID
J-19733-3
Molecular Formula
C9H10O4
Chinese Name
3-羟基-4-甲氧基苯乙酸
Molecular Weight
182.173 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point128 °C
Boiling Point371.3±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point153.1±17.2 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Hydroxy-4-methoxyphenylacetic acid?

The CAS number of 3-Hydroxy-4-methoxyphenylacetic acid is 1131-94-8.

What are the molecular formula and molecular weight of 3-Hydroxy-4-methoxyphenylacetic acid?

3-Hydroxy-4-methoxyphenylacetic acid has molecular formula C9H10O4 and molecular weight 182.173 g/mol.

Is 3-Hydroxy-4-methoxyphenylacetic acid hazardous?

3-Hydroxy-4-methoxyphenylacetic 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. "3-Hydroxy-4-methoxyphenylacetic acid (CAS 1131-94-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19733-3 (accessed 2026-10-22).

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