1-Phenyl-3-methyl-5-pyrazolone
name：1-Phenyl-3-methyl-5-pyrazolone
Formula：C10H10N2O
M.W：174.20
CAS NO.：19735-89-8
Characters：Light yellow crystalline powder, Insoluble in cold water, soluble in hot water, easy soluble in acids, alkalis and organic solvents, slightly soluble in alcohol and benzene.
Usage：It's mainly used as the raw materials for producting "Analgin", "Aminopyrine" , and also used for the organic pigment intermediates.