2-Cyanopyrazine
Also known as: Pyrazinecarbonitrile, Cyanopyrazine, Pyrazine-2-carbonitrile, 2-Pyrazinecarbonitrile, Pyrazinonitrile, Pyrazinenitrile, NSC 166137, Pyrazinamide EP Impurity B
2-Cyanopyrazine (CAS 19847-12-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H3N3 and a molecular weight of 105.10 g/mol. Key properties include a melting point of 18-20ºC, a boiling point of 226.1±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 90.7±7.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19847-12-2
- Jingsj CID
- J-22835-3
- Molecular Formula
- C5H3N3
- Molecular Weight
- 105.10 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 18-20ºC |
|---|---|
| Boiling Point | 226.1±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 90.7±7.0 °C |
| Exact Mass | 105.032700 |
| PSA | 49.57000 |
| LogP | -0.15 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.541 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2-Cyanopyrazine?
The CAS number of 2-Cyanopyrazine is 19847-12-2.
What are the molecular formula and molecular weight of 2-Cyanopyrazine?
2-Cyanopyrazine has molecular formula C5H3N3 and molecular weight 105.10 g/mol.
What are the upstream and downstream products of 2-Cyanopyrazine?
For 2-Cyanopyrazine, Upstream Products: Pyrazinamide, 2-Chloropyrazine, Zinc cyanide; Downstream Products: Pyrazine-2-carbothioamide, 3-Chloropyrazine-2-carbonitrile, Pyrazine-2-amidoxime.
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-Cyanopyrazine (CAS 19847-12-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22835-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.