2,3-Dichloropyrazine

2,3-二氯吡嗪

Also known as: Dichloropyrazine, Pyrazine, 2,3-dichloro-, 2,3-Dichloropyrazine,98%, 2,3-Dichloropyazine, 2,3-Dichloro-1,4-diazine, MFCD00040964

2,3-Dichloropyrazine (CAS 4858-85-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H2Cl2N2 and a molecular weight of 148.978 g/mol. It is also known as Dichloropyrazine, Pyrazine, 2,3-dichloro- and 2,3-Dichloropyrazine,98%. Key properties include a melting point of 22.5-24.5 °C, a boiling point of 190.6±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 86.1±11.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4858-85-9
Jingsj CID
J-1515422-0
Molecular Formula
C4H2Cl2N2
Chinese Name
2,3-二氯吡嗪
Molecular Weight
148.978 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point22.5-24.5 °C
Boiling Point190.6±35.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point86.1±11.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3-Dichloropyrazine?

The CAS number of 2,3-Dichloropyrazine is 4858-85-9.

What are the molecular formula and molecular weight of 2,3-Dichloropyrazine?

2,3-Dichloropyrazine has molecular formula C4H2Cl2N2 and molecular weight 148.978 g/mol.

Is 2,3-Dichloropyrazine hazardous?

2,3-Dichloropyrazine has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3-Dichloropyrazine (CAS 4858-85-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515422-0 (accessed 2026-10-22).

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