3-Fluoro-4-hydroxybenzoic acid
Also known as: 4-Carboxy-2-fluorophenol, Benzoic acid, 3-fluoro-4-hydroxy-, 3-Fluoro-4-hydroxybenzoic acid hydrate, 3-Fluoro-4-hydroxybenzoate, FHB
3-Fluoro-4-hydroxybenzoic acid (CAS 350-29-8) 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 154-158 °C(lit.), a boiling point of 311.9±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 142.4±23.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 350-29-8
- Jingsj CID
- J-9473-5
- 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 | 154-158 °C(lit.) |
|---|---|
| Boiling Point | 311.9±27.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 142.4±23.7 °C |
| Exact Mass | 156.022278 |
| PSA | 57.53000 |
| LogP | 1.86 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.585 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- 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 3-Fluoro-4-hydroxybenzoic acid?
The CAS number of 3-Fluoro-4-hydroxybenzoic acid is 350-29-8.
What are the molecular formula and molecular weight of 3-Fluoro-4-hydroxybenzoic acid?
3-Fluoro-4-hydroxybenzoic acid has molecular formula C7H5FO3 and molecular weight 156.111 g/mol.
Is 3-Fluoro-4-hydroxybenzoic acid hazardous?
3-Fluoro-4-hydroxybenzoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 3-Fluoro-4-hydroxybenzoic acid?
For 3-Fluoro-4-hydroxybenzoic acid, Upstream Products: 3-Fluoro-4-methoxybenzoic acid, 3,4-Difluorobenzamide, 4-Bromo-2-fluoroanisole; Downstream Products: Methyl 3-fluoro-4-methoxybenzoate, 3-Fluoro-4-(octyloxy)benzoic acid, 3-Fluoro-4-methoxybenzoic 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-hydroxybenzoic acid (CAS 350-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9473-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.