4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Structure
CAS No.
88-76-6
Chemical Name:
4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid
Synonyms
NSC26425;NSC 26425;556874_ALDRICH;EINECS 201-858-0;chloropyrazolicacid5;Benzenesulfonic acid, 4-chl;3-methyl-1-(2-chloro-5-sulfophenyl)-5-pyrazolone;1-(2'-CHLORO-5'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE;1-(2'-Chloro-5'-sulphophenyl)-3-methyl-5-pyrazolone;1-(2-Chloro-5-sulfophenyl)-3-methyl-5(4H)-pyrazolone
CBNumber:
CB1366903
Molecular Formula:
C10H9ClN2O4S
Molecular Weight:
288.71
MOL File:
88-76-6.mol
MSDS File:
SDS
Modify Date:
2023/5/4 15:15:22

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Properties

Melting point 344 °C(lit.)
Density 1?+-.0.1 g/cm3(Predicted)
pka -0.96±0.50(Predicted)
CAS DataBase Reference 88-76-6(CAS DataBase Reference)
NIST Chemistry Reference Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)-(88-76-6)
EPA Substance Registry System Benzenesulfonic acid, 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- (88-76-6)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H317
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
Hazard Codes  Xi
Risk Statements  43
Safety Statements  36/37
WGK Germany  3

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Chemical Properties,Uses,Production

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chloropyrazolicacid5 4-chloro-3-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid 1-(2'-Chloro-5'-sulphophenyl)-3-methyl-5-pyrazolone 1-(2'-CHLORO-5'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 1-(2'-CHLORO-5'-SULFONGLPHENGL)-3-METHYL-5-PYRAZOLONE 1-(2-Chloro-5-sulfophenyl)-3-Methyl-5-pyrazolone (25CSMP) 556874_ALDRICH Benzenesulfonic acid, 4-chl Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)- EINECS 201-858-0 NSC 26425 NSC26425 1-(2-Chloro-5-sulfophenyl)-3-methyl-2-pyrazolin-5-one 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid 1-(2-Chloro-5-sulfophenyl)-3-methyl-2-pyrazolin-5-one, 3-Methyl-1-(2-chloro-5-sulfophenyl)-5-pyrazolone 1-(2-Chloro-5-sulfophenyl)-3-methyl-5(4H)-pyrazolone 4-chloro-3-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid 4-chloro-3-(5-keto-3-methyl-4H-pyrazol-1-yl)benzenesulfonic acid 3-methyl-1-(2-chloro-5-sulfophenyl)-5-pyrazolone 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)-benzenesulfonic acid 3-methyl-1-(2’-chloro-5’-sulfonicphenyl)-5-pyrazolone 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonicacid 4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)-benzenesulfonicaci Benzenesulfonic acid, 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- 1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone> 3-methyl-1 -(2' -chloro-5 '-sulfonic phenyl) -5-pyrazolinone 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic... 88-76-6 C10H9ClN2O4S Building Blocks Halogenated Heterocycles Heterocyclic Building Blocks Pyrazoles Intermediates of Dyes and Pigments