3,4-Dichloropyridazine

3,4-二氯哒嗪

Also known as: Pyridazine, 3,4-dichloro-, 3,4-dichloropyridazine

3,4-Dichloropyridazine (CAS 1677-80-1) 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 Pyridazine, 3,4-dichloro- and 3,4-dichloropyridazine. Key properties include a boiling point of 284.8±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 153.2±7.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1677-80-1
Jingsj CID
J-1116371-0
Molecular Formula
C4H2Cl2N2
Chinese Name
3,4-二氯哒嗪
Molecular Weight
148.978 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point284.8±20.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point153.2±7.4 °C

Frequently Asked Questions

What is the CAS number of 3,4-Dichloropyridazine?

The CAS number of 3,4-Dichloropyridazine is 1677-80-1.

What are the molecular formula and molecular weight of 3,4-Dichloropyridazine?

3,4-Dichloropyridazine has molecular formula C4H2Cl2N2 and molecular weight 148.978 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Dichloropyridazine (CAS 1677-80-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1116371-0 (accessed 2026-10-25).

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