5-Fluoronicotinic acid
Also known as: 5-fluoropyridine-3-carboxylic acid, 5-fluoro-3-pyridinecarboxylic acid, 3-Pyridinecarboxylic acid, 5-fluoro-, 5-Fluoropyridine-3-carboxylic acid, 5-Fluoronicotinic ac, 5-Fluoronicotonicac
5-Fluoronicotinic acid (CAS 402-66-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H4FNO2 and a molecular weight of 141.100 g/mol. Key properties include a melting point of 199 °C, a boiling point of 272.2±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 118.4±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.
- 402-66-4
- Jingsj CID
- J-26067-3
- Molecular Formula
- C6H4FNO2
- Molecular Weight
- 141.100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 199 °C |
|---|---|
| Boiling Point | 272.2±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 118.4±21.8 °C |
| Exact Mass | 141.022614 |
| PSA | 50.19000 |
| LogP | 0.41 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.542 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Fluoronicotinic acid?
The CAS number of 5-Fluoronicotinic acid is 402-66-4.
What are the molecular formula and molecular weight of 5-Fluoronicotinic acid?
5-Fluoronicotinic acid has molecular formula C6H4FNO2 and molecular weight 141.100 g/mol.
Is 5-Fluoronicotinic acid hazardous?
5-Fluoronicotinic 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-Fluoronicotinic acid?
For 5-Fluoronicotinic acid, Upstream Products: 2,6-Dichloro-5-fluoronicotinic acid, Carbon dioxide, Isopropylmagnesium chloride; Downstream Products: Methyl 5-fluoropyridine-3-carboxylate, 5-Fluoronicotinaldehyde, 5-Fluoronicotinamide.
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-Fluoronicotinic acid (CAS 402-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26067-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.