5-Fluorosalicylic acid
Also known as: 2-Hydroxy-5-fluorobenzoic acid, 5-Fluoro-2-hydroxybenzoic acid, 5-Fluoro-2-hydrobenzoic acid, 5-fluoro-2-hydroxy-benzoic acid, 2-carboxy-4-fluorophenol, 3-fluoro-6-hydroxybenzoic acid
5-Fluorosalicylic acid (CAS 345-16-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5FO3 and a molecular weight of 156.111 g/mol. Key properties include a melting point of 177-179 °C(lit.), a boiling point of 307.4±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 139.7±23.7 °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.
- 345-16-4
- Jingsj CID
- J-1523908-4
- Molecular Formula
- C7H5FO3
- Molecular Weight
- 156.111 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 177-179 °C(lit.) |
|---|---|
| Boiling Point | 307.4±27.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 139.7±23.7 °C |
| Exact Mass | 156.022278 |
| PSA | 57.53000 |
| LogP | 2.57 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.585 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-Fluorosalicylic acid?
The CAS number of 5-Fluorosalicylic acid is 345-16-4.
What are the molecular formula and molecular weight of 5-Fluorosalicylic acid?
5-Fluorosalicylic acid has molecular formula C7H5FO3 and molecular weight 156.111 g/mol.
Is 5-Fluorosalicylic acid hazardous?
5-Fluorosalicylic 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 5-Fluorosalicylic acid?
For 5-Fluorosalicylic acid, Upstream Products: 5-Fluoro-2-hydroxybenzaldehyde, 5-Aminosalicylic acid, 4-Fluorophenol; Downstream Products: Methyl 5-fluoro-2-hydroxybenzoate, Ethyl 5-fluoro-2-hydroxybenzoate, 3-Chloro-5-fluorosalicylic 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. "5-Fluorosalicylic acid (CAS 345-16-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523908-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.