3,5-Difluorobenzoic acid
Also known as: 3,5-Difluor-benzoesaeure, 3,5-Difluoro benzoicacid, 3,5-di-fluorobenzoic acid, 3,5-difluorophenylcarboxylic acid, Benzoic acid, 3,5-difluoro-, MFCD00010323, QVR CF EF
3,5-Difluorobenzoic acid (CAS 455-40-3) 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 121-123 °C(lit.), a boiling point of 243.2±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 100.9±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.
- 455-40-3
- Jingsj CID
- J-3332-9
- 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 | 121-123 °C(lit.) |
|---|---|
| Boiling Point | 243.2±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 100.9±21.8 °C |
| Exact Mass | 158.017929 |
| PSA | 37.30000 |
| LogP | 2.47 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.513 |
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 3,5-Difluorobenzoic acid?
The CAS number of 3,5-Difluorobenzoic acid is 455-40-3.
What are the molecular formula and molecular weight of 3,5-Difluorobenzoic acid?
3,5-Difluorobenzoic acid has molecular formula C7H4F2O2 and molecular weight 158.102 g/mol.
Is 3,5-Difluorobenzoic acid hazardous?
3,5-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 3,5-Difluorobenzoic acid?
For 3,5-Difluorobenzoic acid, Upstream Products: Carbon dioxide, 1-Bromo-3,5-difluorobenzene, 1,3-Difluorobenzene; Downstream Products: (3-Fluoro-5-methoxyphenyl)acetonitrile, N-(3,5-difluorophenyl)formamide, 3,5-Difluoro-2-nitrobenzoic 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. "3,5-Difluorobenzoic acid (CAS 455-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3332-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.