4,5-Dichloro-2-(4-methylphenyl)-2,3-dihydropyridazin-3-one

4,5-二氯-2-(4-甲基苯基)-2,3-二氢哒嗪-3-酮

Also known as: 3(2H)-Pyridazinone, 4,5-dichloro-2-(4-methylphenyl)-, 4,5-Dichloro-2-(4-methylphenyl)pyridazin-3-one, 4,5-Dichloro-2-(4-methylphenyl)pyridazin-3(2H)-one, 4,5-Dichloro-2-p-tolyl-2H-pyridazin-3-one, 4,5-Dichlor-2-p-tolyl-pyridazin-3-on, 4,5-Dichloro-2-(p-tolyl)pyridazin-3(2h)-one, 1-p-Tolyl-4,5-dichlor-6-pyridazon, 4,5-dichloro-2-(4-methylphenyl)-2-hydropyridazin-3-one, AKOS B029266

CAS No.
33098-21-4
Jingsj CID
J-1492714-8
Molecular Formula
C11H8Cl2N2O
Chinese Name
4,5-二氯-2-(4-甲基苯基)-2,3-二氢哒嗪-3-酮
Molecular Weight
255.10000 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point144ºC
Boiling Point339.4ºC at 760mmHg
Density1.39g/cm3

Frequently Asked Questions

What is the CAS number of 4,5-Dichloro-2-(4-methylphenyl)-2,3-dihydropyridazin-3-one?

33098-21-4

What are the molecular formula and molecular weight of 4,5-Dichloro-2-(4-methylphenyl)-2,3-dihydropyridazin-3-one?

C11H8Cl2N2O, molecular weight 255.10000 g/mol

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