2,3,4-Trimethoxyphenylacetic acid

2,3,4-三甲氧基苯乙酸

Also known as: 2,3,4-Trimethoxybenzeneacetic acid, 2-(2,3,4-Trimethoxyphenyl)acetic acid, Benzeneacetic acid, 2,3,4-trimethoxy-, (2,3,4-Trimethoxyphenyl)acetic acid, Trimethoxyphenylacetic acid

2,3,4-Trimethoxyphenylacetic acid (CAS 22480-91-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H14O5 and a molecular weight of 226.22600 g/mol. It is also known as 2,3,4-Trimethoxybenzeneacetic acid, 2-(2,3,4-Trimethoxyphenyl)acetic acid and Benzeneacetic acid, 2,3,4-trimethoxy-. Key properties include a melting point of 99ºC, a boiling point of 349ºC at 760 mmHg, a density of 1.197 g/cm3 and a flash point of 132.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22480-91-7
Jingsj CID
J-1511904-1
Molecular Formula
C11H14O5
Chinese Name
2,3,4-三甲氧基苯乙酸
Molecular Weight
226.22600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point99ºC
Boiling Point349ºC at 760 mmHg
Density1.197 g/cm3
Flash Point132.6ºC

Frequently Asked Questions

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

The CAS number of 2,3,4-Trimethoxyphenylacetic acid is 22480-91-7.

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

2,3,4-Trimethoxyphenylacetic acid has molecular formula C11H14O5 and molecular weight 226.22600 g/mol.

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

Last updated:

How to cite: Jingsj. "2,3,4-Trimethoxyphenylacetic acid (CAS 22480-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511904-1 (accessed 2026-10-22).

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