4,40- two methoxy -2- butanone

CAS NO:5436-21-5

[character] colorless or yellowish liquid; boiling point 178, relative density 0.993; melting point -82 C; refractive index 1.414-1.416.

The intermediate of pharmaceutical sulfamethazine is used for the synthesis of 2- chloro -3- amino -4- methyl pyridine, 2- thiol -4- methyl pyrimidine and other pyrimidine compounds.