Pyrazine-2-carbaldehyde

2-吡嗪甲醛

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. It is also known as 2-Pyrazinecarbaldehyde, 2-Pyrazinecarboxaldehyde and 2-Formylpyrazine. 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-1517246-6
Molecular Formula
C5H4N2O
Chinese Name
2-吡嗪甲醛
Molecular Weight
108.098 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point192.1±20.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point70.5±28.2 °C

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.

Data compiled from public chemical databases 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-1517246-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.