2-Benzyl-4-chloro-5-(trifluoromethylsulfonyloxy)-3(2H)-pyridazinone

2-苄基-4-氯-5-三氟甲烷磺酰氧基-3(2H-)-哒嗪酮

Also known as: 2-Benzyl-4-chloro-5-[(trifluoromethyl)sulfonyloxy]-2H-pyridazin-3-one, 2-Benzyl-4-chloro-5-[(trifluoromethyl)sulphonyloxy]-2H-pyridazin-3-one, Methanesulfonic acid, 1,1,1-trifluoro-, 5-chloro-1,6-dihydro-6-oxo-1-(phenylmethyl)-4-pyridazinyl ester, (1-Benzyl-5-chloro-6-oxo-1,6-dihydropyridazin-4-yl) trifluoromethanesulfonate, 2-Benzyl-4-chloro-5-trifluoromethanesulfonyloxy-3(2H)-pyridazinone

2-Benzyl-4-chloro-5-(trifluoromethylsulfonyloxy)-3(2H)-pyridazinone (CAS 856250-49-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H8ClF3N2O4S and a molecular weight of 368.71600 g/mol. It is also known as 2-Benzyl-4-chloro-5-[(trifluoromethyl)sulfonyloxy]-2H-pyridazin-3-one, 2-Benzyl-4-chloro-5-[(trifluoromethyl)sulphonyloxy]-2H-pyridazin-3-one and Methanesulfonic acid, 1,1,1-trifluoro-, 5-chloro-1,6-dihydro-6-oxo-1-(phenylmethyl)-4-pyridazinyl ester. Key properties include a boiling point of 401.8ºC at 760 mmHg, a density of 1.59g/cm3 and a flash point of 196.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

856250-49-2

Jingsj CID

J-1497353-2

Molecular Formula

C₁₂H₈ClF₃N₂O₄S

Chinese Name

2-苄基-4-氯-5-三氟甲烷磺酰氧基-3(2H-)-哒嗪酮

Molecular Weight

368.71600 g/mol

Category

Ketones

Last updated

8/21/2026