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5-Methoxy-2-methylbenzoic acid

Also known as: 2-Methyl-5-Methoxybenzoic acid, 3-methoxy-6-methylbenzoic acid, 5-METHOXY-2-METHYL-BENZOIC ACID, 5-Methoxy-2-methyl-benzoic acid, 5-Methoxy-2-methylbenzoesaeure, 5-Methoxy-o-toluic acid, 6-Methyl-m-anisic acid, 6-methyl-3-methoxybenzoic acid, Benzoic acid, 5-methoxy-2-methyl-

5-Methoxy-2-methylbenzoic acid (CAS 3168-59-0) 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 melting point of 146-147ºC, a boiling point of 306.0±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 124.3±15.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3168-59-0
Jingsj CID
J-16442-1
Molecular Formula
C9H10O3
Molecular Weight
166.174 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point146-147ºC
Boiling Point306.0±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point124.3±15.8 °C
Exact Mass166.062988
PSA46.53000
LogP2.48
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.541

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5-Methoxy-2-methylbenzoic acid?

The CAS number of 5-Methoxy-2-methylbenzoic acid is 3168-59-0.

What are the molecular formula and molecular weight of 5-Methoxy-2-methylbenzoic acid?

5-Methoxy-2-methylbenzoic acid has molecular formula C9H10O3 and molecular weight 166.174 g/mol.

What are the upstream and downstream products of 5-Methoxy-2-methylbenzoic acid?

For 5-Methoxy-2-methylbenzoic acid, Upstream Products: Methylboronic acid, 3-Methoxybenzoic acid, 5-Hydroxy-2-methylbenzoic acid; Downstream Products: 4-Methoxyphthalic acid, 5-methoxy-1,3-isobenzofurandione, Methyl 5-methoxy-2-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. "5-Methoxy-2-methylbenzoic acid (CAS 3168-59-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16442-1 (accessed 2026-11-09).

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