• Name

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

• EINECS 201-901-3
• CAS No. 89-36-1
• Article Data3
• CAS DataBase
• Density 1.53 g/cm³
• Solubility 5 g/L (20 °C) in water
• Melting Point >252 °C (dec.)(lit.)
• Formula C₁₀H₁₀N₂O₄S
• Boiling Point 477oC
• Molecular Weight 254.266
• Flash Point
• Transport Information UN 1759 8/PG 2
• Appearance Beige powder
• Safety 26-36/37/39-45
• Risk Codes 34
• Molecular Structure
• Hazard Symbols C
• 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;
• PSA 95.42000
• LogP 1.62730

3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Chemical Properties

3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Safety Profile

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