Pyrazine-2-carbaldehyde
Also known as: 2-Pyrazinecarbaldehyde, 2-Pyrazinecarboxaldehyde, 2-Formylpyrazine, 2-pyrazinylaldehyde, Pyrazine-2-carboxaldehyde, Pyrazinecarboxaldehyde
Pyrazine-2-carbaldehyde (CAS 5780-66-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O and a molecular weight of 108.098 g/mol. Key properties include a boiling point of 192.1±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 70.5±28.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5780-66-5
- Jingsj CID
- J-1517246-0
- Molecular Formula
- C5H4N2O
- Molecular Weight
- 108.098 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 192.1±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 70.5±28.2 °C |
| Exact Mass | 108.032364 |
| PSA | 42.85000 |
| LogP | -0.15 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.581 |
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 Pyrazine-2-carbaldehyde?
The CAS number of Pyrazine-2-carbaldehyde is 5780-66-5.
What are the molecular formula and molecular weight of Pyrazine-2-carbaldehyde?
Pyrazine-2-carbaldehyde has molecular formula C5H4N2O and molecular weight 108.098 g/mol.
What are the upstream and downstream products of Pyrazine-2-carbaldehyde?
For Pyrazine-2-carbaldehyde, Upstream Products: Methyl pyrazine-2-carboxylate, Methoxyamine hydrochloride, 2-Pyrazinecarboxylic 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. "Pyrazine-2-carbaldehyde (CAS 5780-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517246-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.