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

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Chemical Name: 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
CAS.NO:89-36-1
Synonyms:1-(p-Sulfophenyl)-3-methyl-pyrazolon-(5);4-(3-methyl-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzenesulfonic acid;Pyrazolic acid;4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzolsulfonsaeure;4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-Benzenesulfonic acid
Molecular Formula:C10H10N2O4S
Molecular Weight:254.26200
 
Physical and Chemical Properties:
Density:1.53 g/cm3
Boiling point:477ºC
Melting point:>252 °C (dec.)(lit.)
Flash point:/
Index of Refraction:1.667
 
Specification:
Appearance:Light yellow crystalline powder
Purity:≥98.0%
 
Packing: 25kg drum
Storage:Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Application:It is mainly used for the organic synthesis of C.I. Acid Yellow 11; 25; 76; Reactive Yellow 17 (active golden KN-G) active yellow and other varieties of coupling components.

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


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