3,5-Dimethylphenylacetic acid

Also known as: 2-(3,5-dimethylphenyl)acetic acid, 2-(3,5-dimethylphenyl)ethanoic acid, 3,5-xylylacetic acid, 3,5-dimethylbenzeneacetic acid, AKOS BC-3170, RARECHEM AL BO 0591, MFCD00082776

3,5-Dimethylphenylacetic acid (CAS 42288-46-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.20100 g/mol. Key properties include a melting point of 98-102ºC, a boiling point of 291ºC at 760 mmHg, a density of 1.098 g/cm3 and a flash point of 188.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42288-46-0
Jingsj CID: J-36468-1
Molecular Formula: C₁₀H₁₂O₂
Molecular Weight: 164.20100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	98-102ºC
Boiling Point	291ºC at 760 mmHg
Density	1.098 g/cm3
Flash Point	188.1ºC
Exact Mass	164.08400
PSA	37.30000
LogP	1.93050

Customs & Trade Information

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,5-Dimethylphenylacetic acid?

The CAS number of 3,5-Dimethylphenylacetic acid is 42288-46-0.

What are the molecular formula and molecular weight of 3,5-Dimethylphenylacetic acid?

3,5-Dimethylphenylacetic acid has molecular formula C10H12O2 and molecular weight 164.20100 g/mol.

What are the upstream and downstream products of 3,5-Dimethylphenylacetic acid?

For 3,5-Dimethylphenylacetic acid, Upstream Products: 1-Iodo-3,5-dimethylbenzene, acetic acid, Ethyl 2-(3,5-dimethylphenyl)acetate; Downstream Products: 5,7-Dimethylindolin-2-one.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-Dimethylphenylacetic acid (CAS 42288-46-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36468-1 (accessed 2026-11-09).

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