5-oxo-1-(4-sulphophenyl)-2-pyrazoline-3-carboxylic acid

Name	5-oxo-1-(4-sulphophenyl)-2-pyrazoline-3-carboxylic acid
Synonyms	Carboxypyrazolic acid 1-(4-Sulfophenyl)-3-Carboxy-5-Pyrazolone 1-(4-sulfophenyl-)-3-Carboxy-5-Pyrazolone 1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone 3-Carboxy-1-(4-sulfophenyl)-2-pyrazolin-5-one 5-oxo-1-(4-sulphophenyl)-2-pyrazoline-3-carboxylic acid 5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid
CAS	118-47-8
EINECS	204-254-5
InChI	InChI=1/C10H8N2O6S/c13-9-5-8(10(14)15)11-12(9)6-1-3-7(4-2-6)19(16,17)18/h1-4H,5H2,(H,14,15)(H,16,17,18)
InChIKey	TYCNXOAPQGVAQU-UHFFFAOYSA-N

Molecular Formula	C10H8N2O6S
Molar Mass	284.245
Density	1.75g/cm³
pKa	-2.65±0.20(Predicted)
Storage Condition	-20°C
Refractive Index	1.718
Physical and Chemical Properties	EPA Chemical Information 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)- (118-47-8)
Use	Mainly used as dyes, pigments, pharmaceutical intermediates

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