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2-Methoxy-5-methylbenzoic acid

Also known as: Benzoic acid, 2-methoxy-5-methyl-, 5-Methyl-2-methoxybenzoic acid, o-Anisic acid, 5-methyl-, 2-Methoxy-5-methylbenzoic acid 97%, MFCD00045849

2-Methoxy-5-methylbenzoic acid (CAS 25045-36-7) 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 166.17400 g/mol. Key properties include a melting point of 68-72 °C(lit.), a boiling point of 295.5ºC at 760 mmHg, a density of 1.168 g/cm3 and a flash point of 119.2ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25045-36-7
Jingsj CID
J-6081-1
Molecular Formula
C9H10O3
Molecular Weight
166.17400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point68-72 °C(lit.)
Boiling Point295.5ºC at 760 mmHg
Density1.168 g/cm3
Flash Point119.2ºC
Exact Mass166.06300
PSA46.53000
LogP1.70180
Vapor Pressure0.000686mmHg at 25°C
Refractive Index1.54

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation

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 2-Methoxy-5-methylbenzoic acid?

The CAS number of 2-Methoxy-5-methylbenzoic acid is 25045-36-7.

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

2-Methoxy-5-methylbenzoic acid has molecular formula C9H10O3 and molecular weight 166.17400 g/mol.

Is 2-Methoxy-5-methylbenzoic acid hazardous?

2-Methoxy-5-methylbenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.

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

Last updated:

How to cite: Jingsj. "2-Methoxy-5-methylbenzoic acid (CAS 25045-36-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6081-1 (accessed 2026-11-09).

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