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4-Fluoro-2-methylaniline

Also known as: 4-Fluoro-o-toluidine, 2-Amino-5-fluorotoluene, 2-Methyl-4-fluoroaniline, 4-fluoro-2-methylbenzenamine, Benzenamine, 4-fluoro-2-methyl-, MFCD00007832, EINECS 207-208-2

4-Fluoro-2-methylaniline (CAS 452-71-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H8FN and a molecular weight of 125.144 g/mol. Key properties include a melting point of 14ºC, a boiling point of 206.9±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 87.8±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
452-71-1
Jingsj CID
J-3209-7
Molecular Formula
C7H8FN
Molecular Weight
125.144 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Melting Point14ºC
Boiling Point206.9±20.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point87.8±0.0 °C
Exact Mass125.064079
PSA26.02000
LogP1.61
Vapor Pressure0.2±0.4 mmHg at 25°C
Refractive Index1.542

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

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

The CAS number of 4-Fluoro-2-methylaniline is 452-71-1.

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

4-Fluoro-2-methylaniline has molecular formula C7H8FN and molecular weight 125.144 g/mol.

Is 4-Fluoro-2-methylaniline hazardous?

4-Fluoro-2-methylaniline has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

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

For 4-Fluoro-2-methylaniline, Upstream Products: 5-Fluoro-2-nitrotoluene, 3-Fluorotoluene, fluoromethane; Downstream Products: (4-Fluoro-2-methylphenyl)hydrazine, 5-Fluorosalicylic acid, 5-Fluoro-1H-indazole.

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-methylaniline (CAS 452-71-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3209-7 (accessed 2026-11-09).

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