3(2H)-Pyridazinone

3(2H)-哒嗪酮

Also known as: 3-hydroxypyridazine, pyridazin-3-ol, pyridazine-3-ol, 3-pyridazinol, 2,3-dihydropyridazin-3-one, 2H-pyridazin-3-one

CAS No.
504-30-3
Jingsj CID
J-1069938-6
Molecular Formula
C4H4N2O
Chinese Name
3(2H)-哒嗪酮
Molecular Weight
96.087 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point98-104ºC
Boiling Point315.9ºCat 760 mmHg
Density1.3±0.1 g/cm3
Flash Point144.9ºC

Frequently Asked Questions

What is the CAS number of 3(2H)-Pyridazinone?

504-30-3

What are the molecular formula and molecular weight of 3(2H)-Pyridazinone?

C4H4N2O, molecular weight 96.087 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026