CAS No: 89-25-8, Chemical Name: 3-Methyl-1-phenyl-2-pyrazolin-5-one
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89-25-8 3-Methyl-1-phenyl-2-pyrazolin-5-one

product Name 3-Methyl-1-phenyl-2-pyrazolin-5-one
Synonyms PMP; Edaravone; 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one; 2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one; C.I. Developer 1; MCI-186; 1-Phenyl-3-Methyl-5-Pyrazole; 1,3,5-PMP; 1-Phenyl-3-Methyl-5-Pyrazolone; 1-Phenyl-3-Methyl-5-Prazalone; 3-Methyl-1-phenyl-5-pyrazolone
Molecular Formula C10H10N2O
Molecular Weight 174.1992
InChI InChI=1/C10H10N2O/c1-8-7-10(13)12(11-8)9-5-3-2-4-6-9/h2-6H,7H2,1H3
CAS Registry Number 89-25-8
EINECS 201-891-0
Molecular Structure 89-25-8 3-Methyl-1-phenyl-2-pyrazolin-5-one
Density 1.17g/cm3
Melting point 127-131℃
Boiling point 333°C at 760 mmHg
Refractive index 1.606
Flash point 155.2°C
Water solubility 3 g/L (20℃)
Vapour Pressur 0.000141mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S36:;