2,3-Difluorobenzoic acid
Also known as: 2,3-Difluorobenzoic acid 98%, Benzoic acid, 2,3-difluoro-, MFCD00010267, 2,3-DIFLUOROBENZOIC ACID, 2,3-DIFLUOROBENZONIC ACID, 2,3-Difluorobenzoic, BUTTPARK 45\01-40, CHEMPACIFIC 39931, RARECHEM AL BO 0251, TIMTEC-BB SBB006679
2,3-Difluorobenzoic acid (CAS 4519-39-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4F2O2 and a molecular weight of 158.102 g/mol. Key properties include a melting point of 163-165 °C(lit.), a boiling point of 248.1±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 103.9±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4519-39-5
- Jingsj CID
- J-37088-7
- Molecular Formula
- C7H4F2O2
- Molecular Weight
- 158.102 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 163-165 °C(lit.) |
|---|---|
| Boiling Point | 248.1±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 103.9±21.8 °C |
| Exact Mass | 158.017929 |
| PSA | 37.30000 |
| LogP | 2.03 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.513 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- 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 2,3-Difluorobenzoic acid?
The CAS number of 2,3-Difluorobenzoic acid is 4519-39-5.
What are the molecular formula and molecular weight of 2,3-Difluorobenzoic acid?
2,3-Difluorobenzoic acid has molecular formula C7H4F2O2 and molecular weight 158.102 g/mol.
Is 2,3-Difluorobenzoic acid hazardous?
2,3-Difluorobenzoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,3-Difluorobenzoic acid?
For 2,3-Difluorobenzoic acid, Upstream Products: Carbon dioxide, 1,2-Difluorobenzene, 1,2,3-Trifluorobenzene; Downstream Products: 3-Fluorobenzoic acid, benzoic acid, 2,3-Difluorobenzyl alcohol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Difluorobenzoic acid (CAS 4519-39-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37088-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.