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4-Fluoro-2-methoxybenzoic acid

Also known as: 4-Fluoro-o-anisic acid, 2-Methoxy-4-fluorobenzoic acid, Benzoic acid, 4-fluoro-2-methoxy-, MFCD00673010

4-Fluoro-2-methoxybenzoic acid (CAS 395-82-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7FO3 and a molecular weight of 170.138 g/mol. Key properties include a melting point of 134 °C, a boiling point of 266.9±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 115.2±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
395-82-4
Jingsj CID
J-27920-9
Molecular Formula
C8H7FO3
Molecular Weight
170.138 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point134 °C
Boiling Point266.9±20.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point115.2±21.8 °C
Exact Mass170.037918
PSA46.53000
LogP1.72
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.524

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 4-Fluoro-2-methoxybenzoic acid?

The CAS number of 4-Fluoro-2-methoxybenzoic acid is 395-82-4.

What are the molecular formula and molecular weight of 4-Fluoro-2-methoxybenzoic acid?

4-Fluoro-2-methoxybenzoic acid has molecular formula C8H7FO3 and molecular weight 170.138 g/mol.

What are the upstream and downstream products of 4-Fluoro-2-methoxybenzoic acid?

For 4-Fluoro-2-methoxybenzoic acid, Upstream Products: 5-Fluoro-2-methylphenol, 5-Fluoro-2-methylanisole, 4-Fluoro-2-methoxybenzaldehyde; Downstream Products: 4-Fluoro-2-hydroxybenzoic acid, Methyl 4-fluoro-2-methoxybenzoate, 5-bromo-4-fluoro-2-methoxybenzoic acid.

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

Last updated:

How to cite: Jingsj. "4-Fluoro-2-methoxybenzoic acid (CAS 395-82-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27920-9 (accessed 2026-11-09).

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