Skip to main content

4-Cyano-2-fluorobenzoic acid

Also known as: 2-Fluoro-4-cyanobenzoic acid, Benzoic acid, 4-cyano-2-fluoro-, 4-Carboxy-3-fluorobenzonitrile, MFCD03094454

4-Cyano-2-fluorobenzoic acid (CAS 164149-28-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4FNO2 and a molecular weight of 165.121 g/mol. Key properties include a melting point of 214-216°C, a boiling point of 326.3±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 151.1±23.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
164149-28-4
Jingsj CID
J-13660-7
Molecular Formula
C8H4FNO2
Molecular Weight
165.121 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point214-216°C
Boiling Point326.3±27.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point151.1±23.7 °C
Exact Mass165.022614
PSA61.09000
LogP1.28
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.565

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H318 — Causes serious eye damage

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Cyano-2-fluorobenzoic acid?

The CAS number of 4-Cyano-2-fluorobenzoic acid is 164149-28-4.

What are the molecular formula and molecular weight of 4-Cyano-2-fluorobenzoic acid?

4-Cyano-2-fluorobenzoic acid has molecular formula C8H4FNO2 and molecular weight 165.121 g/mol.

Is 4-Cyano-2-fluorobenzoic acid hazardous?

4-Cyano-2-fluorobenzoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.

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-Cyano-2-fluorobenzoic acid (CAS 164149-28-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13660-7 (accessed 2026-11-09).

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