【Chemical name】：1-Phenyl-3-methyl-5-pyrazolone 3-Methyl-1-phenyl-2-pyrazolin-5-one

【CAS RN】：89-25-8               【EINECS RN】：201-891-0

【Molecular formula】：C10H10N2O    【Molecular weight】：174.20

【Main usage】：It is used for pigment, dye, analgin and antipyrine.