2-Fluoro-4-methylanisole

Also known as: 2-Fluoro-1-methoxy-4-methylbenzene, 2-Fluoro-4-methylphenyl methyl ether, 3-Fluoro-4-methoxytoluene, Benzene, 2-fluoro-1-methoxy-4-methyl-, FR C1 FO1

2-Fluoro-4-methylanisole (CAS 399-55-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C8H9FO and a molecular weight of 140.155 g/mol. Key properties include a boiling point of 181.0±20.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 63.0±14.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 399-55-3
Jingsj CID: J-8628-2
Molecular Formula: C₈H₉FO
Molecular Weight: 140.155 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	181.0±20.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	63.0±14.0 °C
Exact Mass	140.063736
PSA	9.23000
LogP	2.60
Vapor Pressure	1.2±0.3 mmHg at 25°C
Refractive Index	1.476

Customs & Trade Information

HS Code	2909309090
Summary	2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Fluoro-4-methylanisole?

The CAS number of 2-Fluoro-4-methylanisole is 399-55-3.

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

2-Fluoro-4-methylanisole has molecular formula C8H9FO and molecular weight 140.155 g/mol.

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

For 2-Fluoro-4-methylanisole, Upstream Products: 4-Methylanisole, 5-Methoxy-2-methylaniline; Downstream Products: 3-Fluoro-4-methoxybenzoic acid, 3-Fluoro-4-methoxybenzaldehyde, 4-(Bromomethyl)-2-fluoro-1-methoxybenzene.

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. "2-Fluoro-4-methylanisole (CAS 399-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8628-2 (accessed 2026-11-09).

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