... yellow powder ISO,GMP Product name PHENYL METHYL PYRAZOLONE/ PMP/5-Methyl-2-phenyl-1,2-dihydropyrazol-3-oneRemarksAs the biggest hair dye ... material is almost half of theirs.FeaturesProduct Name:5-Methyl-2-phenyl-1,2-dihydropyrazol-3-oneSynonyms:TIMTEC-BB SBB003801;PMP;MONOPYRAZOLONE; ... System3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl- (89-25-8) 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one Usage And ...