6-Methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one

6-甲基-2-苯基-4,5-二氢哒嗪-3(2H)-酮

Also known as: 4,5-Dihydro-6-methyl-2-phenylpyridazin-3(2H)-one, 2-Phenyl-6-methyl-2,3,4,5-tetrahydropyridazine-3-one, 2-Phenyl-6-methyl-4,5-dihydropyridazine-3(2H)-one, 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-2-phenyl-, 4,5-Dihydro-6-methyl-2-phenyl-3(2H)-pyridazinone, 6-Methyl-2-phenyl-2,3,4,5-tetrahydro-3-pyridazinone, 6-Methyl-2-phenyl-4,5-dihydro-2H-pyridazin-3-one, 6-Methyl-2-phenyl-2,3,4,5-tetrahydropyridazin-3-one, 6-methyl-2-phenyl-4,5-dihydropyridazin-3-one, Einecs 224-962-8

6-Methyl-2-phenyl-4,5-dihydropyridazin-3(2H)-one (CAS 4578-58-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O and a molecular weight of 188.22600 g/mol. It is also known as 4,5-Dihydro-6-methyl-2-phenylpyridazin-3(2H)-one, 2-Phenyl-6-methyl-2,3,4,5-tetrahydropyridazine-3-one and 2-Phenyl-6-methyl-4,5-dihydropyridazine-3(2H)-one. Key properties include a boiling point of 301.8ºC at 760 mmHg, a density of 1.14g/cm3 and a flash point of 136.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4578-58-9

Jingsj CID

J-1071530-7

Molecular Formula

C₁₁H₁₂N₂O

Chinese Name

6-甲基-2-苯基-4,5-二氢哒嗪-3(2H)-酮

Molecular Weight

188.22600 g/mol

Category

Ketones

Last updated

8/21/2026