4-Fluoro-3-iodobenzoic acid
Also known as: 3-iodo-4-fluorobenzoic acid, 4-fluoro-3-iodo-benzoic acid, Benzoic acid, 4-fluoro-3-iodo-, BUTTPARK 122, BUTTPARK 122\01-04, 4-Fluor-3-jod-benzoesaeure
4-Fluoro-3-iodobenzoic acid (CAS 403-18-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4FIO2 and a molecular weight of 266.008 g/mol. Key properties include a melting point of 176.6-177, a boiling point of 339.3±27.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 159.0±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 403-18-9
- Jingsj CID
- J-1437632-0
- Molecular Formula
- C7H4FIO2
- Molecular Weight
- 266.008 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 176.6-177 |
|---|---|
| Boiling Point | 339.3±27.0 °C at 760 mmHg |
| Density | 2.1±0.1 g/cm3 |
| Flash Point | 159.0±23.7 °C |
| Exact Mass | 265.923981 |
| PSA | 37.30000 |
| LogP | 3.19 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.638 |
| Storage Conditions | 2-8°C |
Frequently Asked Questions
What is the CAS number of 4-Fluoro-3-iodobenzoic acid?
The CAS number of 4-Fluoro-3-iodobenzoic acid is 403-18-9.
What are the molecular formula and molecular weight of 4-Fluoro-3-iodobenzoic acid?
4-Fluoro-3-iodobenzoic acid has molecular formula C7H4FIO2 and molecular weight 266.008 g/mol.
What are the upstream and downstream products of 4-Fluoro-3-iodobenzoic acid?
For 4-Fluoro-3-iodobenzoic acid, Upstream Products: 4-Fluorobenzoic acid, 4-Fluoro-3-iodotoluene; Downstream Products: Methyl 4-fluoro-3-iodobenzoate.
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-Fluoro-3-iodobenzoic acid (CAS 403-18-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437632-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.