3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one(89-36-1)

• Name: 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
• Synonyms:Benzenesulfonicacid, p-(3-methyl-5-oxo-2-pyrazolin-1-yl)- (7CI,8CI);1-(4'-Sulfophenyl)-3-methyl-5-pyrazolone;1-(p-Sulfophenyl)-3-methyl-5-pyrazolone;1-(p-Sulfophenyl)-3-methylpyrazolin-5-one;3-Methyl-1-(4-sulfophenyl)-5-pyrazolone;3-Methyl-1-(4-sulfophenyl)pyrazolin-5-one;3-Methyl-1-(p-sulfophenyl)-2-pyrazolin-5-one;3-Methyl-1-(p-sulfophenyl)-5-pyrazolone;3-Methyl-1-phenyl-5-pyrazolone-4'-sulfonic acid;4-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid;Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-;Pyrazoline G;p-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid;
• Molecular Formula:C₁₀H₁₀N₂O₄S
• Molecular Weight:254.266
• CAS Registry Number:89-36-1
• EINECS:201-901-3
• Melting Point:>252 °C (dec.)(lit.)
• Water Solubility:5 g/L (20 °C) in water