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

3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Structure
CAS No.
89-36-1
Chemical Name:
3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
Synonyms
PSMP;SPMP;PYRAZOLONE G;PYRAZOLINE G;Pyrazolic acid;4-PYRAZOLIC ACID;4-acid pyrazolone;p-SMP (1 : 4 SPMP);PHENYLMETHYLPYRAZOLE-4-ACID;1-(4-Sulfophenyl)-3-methyl-5-p
CBNumber:
CB1289284
Molecular Formula:
C10H10N2O4S
Molecular Weight:
254.26
MOL File:
89-36-1.mol
Modify Date:
2023/9/15 16:56:55

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

Melting point >252 °C (dec.) (lit.)
Density 1.4456 (rough estimate)
vapor pressure 0.001Pa at 20℃
refractive index 1.5650 (estimate)
storage temp. Sealed in dry,Room Temperature
pka pKa 4.90 (H2O t = 37 I = 0.15) (Uncertain)
form Powder
color White to Orange to Green
Water Solubility 5 g/L (20 ºC)
BRN 619424
InChIKey CWJQQASJVVAXKL-UHFFFAOYSA-N
LogP -2.04 at 23℃ and pH7
CAS DataBase Reference 89-36-1(CAS DataBase Reference)
EPA Substance Registry System Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- (89-36-1)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 1759 8/PG 2
WGK Germany  1
HazardClass  8
PackingGroup  II
HS Code  29331990
NFPA 704
0
3 0

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

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 134163 1-(4-Sulfophenyl)-3-methyl-5-pyrazolone 89-36-1 25G ₹3279.98 2022-06-14 Buy
TCI Chemicals (India) M0090 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one 89-36-1 25G ₹2900 2022-05-26 Buy
Product number Packaging Price Buy
134163 25G ₹3279.98 Buy
M0090 25G ₹2900 Buy

3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Chemical Properties,Uses,Production

Chemical Properties

BEIGE POWDER

Uses

1-(4-Sulfophenyl)-3-methyl-5-pyrazolone (4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzoic acid) was used for pre-column derivatization of carbohydrates. It was also used as derivatization reagent in determination of oligosides, mannose and galactose obtained by degradation of galactomannans.

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3-METHYL-1-(P-SULFOPHENYL)-2-PYRAZOLIN-5-ONE 98% 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one, 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid 1-(4-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 1-(4-SULPHOPHENYL)-3-METHYL-5-PYRAZOLONE 3-Methyl-1-(4-sulfonphenyl)-5-pyrazolone 1-(P-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 1-(4-Sulfonphenyl)-3-methyl-5-pyrazolone 3-METHYL-1-(P-SULFOPHENYL)-2-PYRAZOLIN-5-ONE 3-METHYL-1-P-SULFOPHENYL-5-PYRAZOLONE 3-METHYL-1-(4-SULFOPHENYL)-2-PYRAZOLIN-5-ONE 3-METHYL-1-(4'-SULFOPHENYL)-5-PYRAZOLONE 3-METHYL-1-(SULFOPHENYL)-2-PYRAZOLIN-5-ON 4-(4,5-Dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-benzenesulfonic acid 4-(3-METHYL-5-OXO-2-PYRAZOLIN-1-YL)BENZENESULFONIC ACID 4-PYRAZOLIC ACID PHENYLMETHYLPYRAZOLE-4-ACID P-SULFOMETHYL PHENYL PYRAZOLONE PYRAZOLONE G PYRAZOLINE G P-(3-METHYL-5-OXO-2-PYRAZOLIN-1-YL)BENZENESULFONIC ACID 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-yl)benzenesulfonic acid Pyrazolic acid 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one,98%,pract. 4-acid pyrazolone Benzenesulfonicacid,4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- METHYLPHENYLPYRAZOLONE-4-SULFONIC ACID 1-(4'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 4-(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)-benzenesulfonicaci Benzenesulfonic acid, p-(3-methyl-5-oxo-2-pyrazolin-1-yl)- Benzenesulfonic acid, p-(3-methyl-5-oxo-2-pyrazolin-1-yl)- (8CI) 4-(5-keto-3-methyl-4H-pyrazol-1-yl)benzenesulfonic acid 1,4 SULPHO PHENYL 3 METHYL 5 PYRAZOLENE(1,4 SULPHO PHENYL 3 METHYL 5 PYRAZOLONE(SPMP)) -Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid 1-(4-Sulfophenyl)-3-methyl-5-pyrazolon 4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzolsulfonsure 3-METHYL-1-(4-SULFOPHENYL)-2-PYRAZOLIN-5-ON 97+% 4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid 1-(4'-sulphenyl)-3-methyl-5-pyrazolone(PSMP) 1-(4'-sulf acid phenyl)-3-methyl-5-pyrazolone 4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid p-SMP (1 : 4 SPMP) PSMP SPMP 1-(4-Sulfophenyl)-3-methyl-5-p 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one> 1 - (4-sulfonic acid phenyl) - 3-methyl-5-pyrazolone 89-36-1 C10H9N2O4S Pyrazoles Intermediates of Dyes and Pigments Building Blocks C10 Chemical Synthesis Heterocyclic Building Blocks Pyrazoles Heterocyclic Compounds