2-Fluoropyrazine
Also known as: Fluoropyrazine, 2-Fluoro-1,4-diazine, Pyrazine, 2-fluoro-
2-Fluoropyrazine (CAS 4949-13-7) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H3FN2 and a molecular weight of 98.078 g/mol. Key properties include a boiling point of 118.1±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 25.2±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4949-13-7
- Jingsj CID
- J-1394465-2
- Molecular Formula
- C4H3FN2
- Molecular Weight
- 98.078 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 118.1±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 25.2±21.8 °C |
| Exact Mass | 98.028023 |
| PSA | 25.78000 |
| LogP | -0.18 |
| Vapor Pressure | 20.2±0.2 mmHg at 25°C |
| Refractive Index | 1.472 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of 2-Fluoropyrazine?
The CAS number of 2-Fluoropyrazine is 4949-13-7.
What are the molecular formula and molecular weight of 2-Fluoropyrazine?
2-Fluoropyrazine has molecular formula C4H3FN2 and molecular weight 98.078 g/mol.
Is 2-Fluoropyrazine hazardous?
2-Fluoropyrazine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Fluoropyrazine (CAS 4949-13-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1394465-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.