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

**** Identification ****
Name: 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
Synonyms: 3-Methyl-1-(4-sulfophenyl)-5-pyrazolone; 4-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-benzenesulfonic acid
Molecular Structure: chemoffer CAS #: 89-36-1
Molecular Formula: C10H10N2O4S
Molecular Weight: 254.26
CAS Number: 89-36-1
EINECS: 201-901-3
**** Properties ****
Melting point: >252°C (dec.)
Water solubility: 5 g/L (20°C)
**** Safety Data ****
Hazard Symbols: symbolC Details
Risk Codes: R34 Details
Safety Description: S26;S36/37/39;S45 Details
Transport Information: UN 1759

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