4-Fluorobenzoic acid
Also known as: p-fluorobenzoic acid, 4-fluoro-benzoic acid, p-fluorobenzoic acid, Benzoic acid, 4-fluoro-, Benzoic acid, p-fluoro-, p-FC6H4CO2H, MFCD00002530, EINECS 207-259-0
4-Fluorobenzoic acid (CAS 456-22-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5FO2 and a molecular weight of 140.112 g/mol. Key properties include a melting point of 184 °C, a boiling point of 253.7±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 107.2±19.8 °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.
- 456-22-4
- Jingsj CID
- J-14768-2
- Molecular Formula
- C7H5FO2
- Molecular Weight
- 140.112 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 184 °C |
|---|---|
| Boiling Point | 253.7±13.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 107.2±19.8 °C |
| Exact Mass | 140.027359 |
| PSA | 37.30000 |
| LogP | 2.07 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.537 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives 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-Fluorobenzoic acid?
The CAS number of 4-Fluorobenzoic acid is 456-22-4.
What are the molecular formula and molecular weight of 4-Fluorobenzoic acid?
4-Fluorobenzoic acid has molecular formula C7H5FO2 and molecular weight 140.112 g/mol.
Is 4-Fluorobenzoic acid hazardous?
4-Fluorobenzoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of 4-Fluorobenzoic acid?
For 4-Fluorobenzoic acid, Upstream Products: Carbon dioxide, 2-(4-Fluorophenyl)-5,5-dimethyl-1,3,2-dioxaborinane, 4-Fluorotoluene; Downstream Products: 3,4-Difluorobenzoic acid, 4-Fluoro-3-methylbenzoic acid, 4-Fluoro-2-methylbenzoic 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-Fluorobenzoic acid (CAS 456-22-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14768-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.