5-[amino(methyl)amino]-4-chloro-2-phenylpyridazin-3-one

4-氯-5-(1-甲基肼基)-2-苯基-2,3-二氢哒嗪-3-酮

Also known as: 4-CHLORO-5-(1-METHYLHYDRAZINO)-2-PHENYL-2,3-DIHYDROPYRIDAZIN-3-ONE, 3(2H)-Pyridazinone, 4-chloro-5-(1-methylhydrazinyl)-2-phenyl-, 4-CHLORO-5-(1-METHYLHYDRAZINO)-2-PHENYLPYRIDAZIN-3(2H)-ONE, 4-Chlor-2-phenyl-5-(1-methylhydrazino)-pyridazin-3(2H)-on, 4-Chloro-5-(1-methylhydrazino)-2-phenyl-3(2H)-pyridazinone, 4-chloro-2-phenyl-5-(1-methylhydrazino)-pyridazin-3(2H)-one, 4-chloro-5-(N-methyl-hydrazino)-2-phenyl-2H-pyridazin-3-one

5-[amino(methyl)amino]-4-chloro-2-phenylpyridazin-3-one (CAS 41932-99-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C11H11ClN4O and a molecular weight of 250.68400 g/mol. It is also known as 4-CHLORO-5-(1-METHYLHYDRAZINO)-2-PHENYL-2,3-DIHYDROPYRIDAZIN-3-ONE, 3(2H)-Pyridazinone, 4-chloro-5-(1-methylhydrazinyl)-2-phenyl- and 4-CHLORO-5-(1-METHYLHYDRAZINO)-2-PHENYLPYRIDAZIN-3(2H)-ONE. Key properties include a melting point of 127ºC, a boiling point of 351.7ºC at 760 mmHg, a density of 1.38g/cm3 and a flash point of 166.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

41932-99-4

Jingsj CID

J-994559-1

Molecular Formula

C₁₁H₁₁ClN₄O

Chinese Name

4-氯-5-(1-甲基肼基)-2-苯基-2,3-二氢哒嗪-3-酮

Molecular Weight

250.68400 g/mol

Category

Organic Bases

Last updated

8/21/2026