3-Fluoro-4-methoxyaniline

3-氟-4-甲氧基苯胺

Also known as: 3-Fluoro-4-anisidine, 3-Fluoro-p-anisidine, 4-Amino-2-fluoroanisole, 4-Amino-2-fluoro-1-methoxybenzene, 2-Fluoro-4-aminoanisole, Benzenamine, 3-fluoro-4-methoxy-, MFCD00075040, 3-Fluoro-4-methoxyphenylamine, 3-Fluoro-4-methoxybenzenamine

3-Fluoro-4-methoxyaniline (CAS 366-99-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H8FNO and a molecular weight of 141.143 g/mol. It is also known as 3-Fluoro-4-anisidine, 3-Fluoro-p-anisidine and 4-Amino-2-fluoroanisole. Key properties include a melting point of 81-83 °C(lit.), a boiling point of 253.4±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 101.2±21.8 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
366-99-4
Jingsj CID
J-38514-1
Molecular Formula
C7H8FNO
Chinese Name
3-氟-4-甲氧基苯胺
Molecular Weight
141.143 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point81-83 °C(lit.)
Boiling Point253.4±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point101.2±21.8 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Fluoro-4-methoxyaniline?

The CAS number of 3-Fluoro-4-methoxyaniline is 366-99-4.

What are the molecular formula and molecular weight of 3-Fluoro-4-methoxyaniline?

3-Fluoro-4-methoxyaniline has molecular formula C7H8FNO and molecular weight 141.143 g/mol.

Is 3-Fluoro-4-methoxyaniline hazardous?

3-Fluoro-4-methoxyaniline has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-Fluoro-4-methoxyaniline (CAS 366-99-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38514-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.