3-Fluoro-4-nitrobenzoic acid
Also known as: 3-Fluoro-4-nitrobenzenecarboxylic acid, Benzoic acid, 3-fluoro-4-nitro-, MFCD01862092
3-Fluoro-4-nitrobenzoic acid (CAS 403-21-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4FNO4 and a molecular weight of 185.109 g/mol. Key properties include a melting point of 174-175°C, a boiling point of 372.8±27.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 179.3±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 403-21-4
- Jingsj CID
- J-7649-3
- Molecular Formula
- C7H4FNO4
- Molecular Weight
- 185.109 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 174-175°C |
|---|---|
| Boiling Point | 372.8±27.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 179.3±23.7 °C |
| Exact Mass | 185.012436 |
| PSA | 83.12000 |
| LogP | 1.85 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.588 |
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-Fluoro-4-nitrobenzoic acid?
The CAS number of 3-Fluoro-4-nitrobenzoic acid is 403-21-4.
What are the molecular formula and molecular weight of 3-Fluoro-4-nitrobenzoic acid?
3-Fluoro-4-nitrobenzoic acid has molecular formula C7H4FNO4 and molecular weight 185.109 g/mol.
What are the upstream and downstream products of 3-Fluoro-4-nitrobenzoic acid?
For 3-Fluoro-4-nitrobenzoic acid, Upstream Products: 3-Fluoro-4-nitrotoluene, (3-Fluoro-4-nitrophenyl)methanol, 5-Methyl-2-nitroaniline; Downstream Products: 3-Methoxy-4-nitrobenzoic acid, 4-(Methylamino)-3-nitrobenzoic acid, 4-Amino-3-fluorobenzoic 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-Fluoro-4-nitrobenzoic acid (CAS 403-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7649-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.