2-Chloro-4-fluorobenzoic acid
Also known as: Benzoic acid, 2-chloro-4-fluoro-, 2-Cl-4-FHBA, 4-fluoro-2-chloro-benzoic acid, 2-chloro-4-fluoro-benzoic acid, 2-choro-4-fluorobenzoic acid, 2-Chlor-4-fluor-benzoesaeure
2-Chloro-4-fluorobenzoic acid (CAS 2252-51-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4ClFO2 and a molecular weight of 174.557 g/mol. Key properties include a melting point of 181-183 °C(lit.), a boiling point of 271.9±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 118.2±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2252-51-9
- Jingsj CID
- J-1314421-3
- Molecular Formula
- C7H4ClFO2
- Molecular Weight
- 174.557 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 181-183 °C(lit.) |
|---|---|
| Boiling Point | 271.9±20.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 118.2±21.8 °C |
| Exact Mass | 173.988388 |
| PSA | 37.30000 |
| LogP | 1.77 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.558 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
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 2-Chloro-4-fluorobenzoic acid?
The CAS number of 2-Chloro-4-fluorobenzoic acid is 2252-51-9.
What are the molecular formula and molecular weight of 2-Chloro-4-fluorobenzoic acid?
2-Chloro-4-fluorobenzoic acid has molecular formula C7H4ClFO2 and molecular weight 174.557 g/mol.
Is 2-Chloro-4-fluorobenzoic acid hazardous?
2-Chloro-4-fluorobenzoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Chloro-4-fluorobenzoic acid?
For 2-Chloro-4-fluorobenzoic acid, Upstream Products: 2-Chloro-4-fluorotoluene, 1-Chloro-3-fluorobenzene, 2'-Chloro-4'-fluoroacetophenone; Downstream Products: 4-Fluorobenzoic acid, benzoic acid, Methyl 2-chloro-4-fluorobenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Chloro-4-fluorobenzoic acid (CAS 2252-51-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314421-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.