1-(3-Sulfophenyl)-3-methyl-5-pyrazolone Chemical Properties

Melting point:

335 °C (lit.)

Density 

1.53±0.1 g/cm3(Predicted)

vapor pressure 

0.001Pa at 20℃

storage temp. 

2-8°C

form 

Powder

pka

-0.73±0.30(Predicted)

LogP

-2.05 at 23℃

CAS DataBase Reference

119-17-5(CAS DataBase Reference)

EPA Substance Registry System

Benzenesulfonic acid, 3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- (119-17-5)

Safety Information

Hazard Codes 

Xi

Risk Statements 

43

Safety Statements 

36/37

WGK Germany 

1

MSDS

• Language:English Provider:SigmaAldrich

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone Usage And Synthesis

Chemical Properties

light yellow crystalline powder

Uses

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone [1-(3′-sulfophenyl)-3-methyl-5-pyrazolone] may be used to synthesize α-Pigment Yellow 191.

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone(119-17-5)Related Product Information

• Doxazosin mesylate
• Cefazolin sodium salt
• METSULFURON METHYL
• Thiophanate-methyl
• Pirimiphos-methyl
• Tribenuron methyl
• Kresoxim-methyl
• 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
• Methyl salicylate
• Methyl acetate
• Cefazolin
• Methyl
• Methyl bromide
• Parathion-methyl
• 1-(2'-CHLORO-5'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE
• 1-(2''-CHLORO-4''-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE
• 3-(3-CHLORO-4-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE
• 1-(P-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE,1-(4'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE,1-(4-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE