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

3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Structure
  • ₹2900 - ₹3279.98
  • Product name: 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
  • CAS: 89-36-1
  • MF: C10H10N2O4S
  • MW: 254.26
  • EINECS:201-901-3
  • MDL Number:MFCD00020756
  • Synonyms: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
Price2 Properties Safety Information Description
2 prices
Selected condition：

Brand

  • TCI Chemicals (India)
  • Sigma-Aldrich(India)

Package

  • 25G
  • ManufacturerTCI Chemicals (India)
  • Product numberM0090
  • Product description3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
  • Packaging25G
  • Price₹2900
  • Updated2022-05-26
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number134163
  • Product description1-(4-Sulfophenyl)-3-methyl-5-pyrazolone
  • Packaging25G
  • Price₹3279.98
  • Updated2022-06-14
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
TCI Chemicals (India) M0090 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one 25G ₹2900 2022-05-26 Buy
Sigma-Aldrich(India) 134163 1-(4-Sulfophenyl)-3-methyl-5-pyrazolone 25G ₹3279.98 2022-06-14 Buy

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 Information

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P363 Wash contaminated clothing before reuse.

Description

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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