| Identification | |
| Name: | 3-Methyl-1-phenyl-2-pyrazolin-5-one |
| Synonyms: | C.I. Developer 1;Radicut;CI Developer 1;1-Phenyl-3-methylpyrazolone-5;Methylphenylpyrazolone;3H-Pyrazol-3-one, 2, 4-dihydro-5-methyl-2-phenyl-;2-Pyrazolin-5-one, 3-methyl-1-phenyl-;Edaravone (JAN);3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-;Norphenazone;1-Phenyl-3-methylpyrazolone;1-Phenyl-3-methyl-5-pyrazolone;Developer Z;1-Phenyl-3-methyl-5-oxo-2-pyrazoline;Jarocol PMP;1-Phenyl-3-Methyl-5-Pyrazolone(PMP);1Phenyl 3Methyl 5Pyrazolone;3-methyl-1-phenyl-1H-pyrazol-5(4H)-one; |
| CAS: | 89-25-8 |
| EINECS: | 201-891-0 |
| Molecular Formula: | C10H10N2O |
| Molecular Weight: | 174.2 |
| InChI: | InChI=1/C10H10N2O/c1-8-7-10(13)12(11-8)9-5-3-2-4-6-9/h2-6H,7H2,1H3 |
| Molecular Structure: |  |
| Properties | |
| Density: | 1.12 |
| Stability: | Stable under normal temperatures and pressures. |
| Refractive index: | 0.00014 (25 C) |
| Solubility: | Soluble in hot water |
| Appearance: | light yellow crystalline powder |
| Specification: |
?Norphenazone, its CAS NO. is 89-25-8, the synonyms are 2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one ; 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one?. |
| Report: |
NCI Carcinogenesis Bioassay (feed); No Evidence: mouse, rat NCITR* ?? National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-141 ,1978. . Reported in EPA TSCA Inventory. |
| HS Code: | 29331990 |
| Biological Activity: | A radical scavenger and antioxidant which is able to protect against the effects of ischemia, probably by inhibiting the lipoxygenase system. Protects against MPTP-induced neurotoxicity. |
| Storage Temperature: | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from light. |
| Color: | MONOCLINIC PRISMS FROM WATER WHITE POWDER OR CRYSTALS |
| Usage: | Edaravone inhibits the disease activity in rheumatoid arthritis. |
| Safety Data | |
| Hazard Symbols |
Xi:Irritant
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