Synonym(s): 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one; 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid
Empirical Formula: C10H10N2O4S
Linear Formula: C10H10N2O4S
Formula Weight: 254.26
MDL Number: MFCD00020756
Melting Point: >252 °C (dec.)(lit.)
Beilstein Registry Number: 619424
Signal Word: Danger
Hazard statements: H314
Precautionary statements: P280-P305 + P351 + P338-P310
Risk Statements (Europe): 34
Safety Statements (Europe): 26-36/37/39-45
Hazard Codes (Europe): C