3-Methyl-1-phenyl-2-pyrazolin-5-one cas no:89-25-8
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;
Name3-Methyl-1-phenyl-2-pyrazolin-5-one
CAS89-25-8
SynonymsC.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;
EINECS(EC#)201-891-0
Molecular FormulaC10H10N2O
Molecular Weight174.2
Appearancelight yellow crystalline powder
refractive index0.00014 (25 C)
storage tempStore in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from light.
Hazard Xi:Irritant
Risk R36/37/38
Safety
Moderately toxic by ingestion and intraperitoneal routes. An eye irritant. When heated to decomposition it emits toxic fumes of NOx.
Safety Information of Norphenazone (CAS NO.89-25-8):
Hazard Codes: 
Xi
Risk Statements: 36/37/38:? Irritating to eyes, respiratory system and skin?
Safety Statements: 26-36
26:? In case of contact with eyes, rinse immediately with plenty of water and seek medical advice?
36:? Wear suitable protective clothing?
WGK Germany:?1
HS Code 29331990
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eye-rbt 500?mg/24H MOD
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28ZPAK ?? Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.:?1972,144. |
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orl-rat LD50:3500?mg/kg
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LONZA# ?? Personal Communication from LONZA Ltd., CH-4002, Basel, Switzerland, to NIOSH, Cincinnati, OH 45226 08FEB79 . |
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ipr-mus LD50:2012?mg/kg
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RPTOAN ?? Russian Pharmacology and Toxicology. Translation of FATOAO. 36 (1973),27. |
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