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HomeProduct name list3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one

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

Synonym(s):3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one;4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

  • CAS NO.:89-36-1
  • Empirical Formula: C10H10N2O4S
  • Molecular Weight: 254.26
  • MDL number: MFCD00020756
  • EINECS: 201-901-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:07:02
3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Structural

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

Chemical properties

BEIGE POWDER

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

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.

Definition

ChEBI: 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid is an organosulfur compound and a sulfonic acid derivative.

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

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
form  Powder
pka pKa 4.90 (H2O t = 37 I = 0.15) (Uncertain)
color  White to Orange to Green
Water Solubility  5 g/L (20 ºC)
BRN  619424
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 for 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H314:Skin corrosion/irritation
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P363:Wash contaminated clothing before reuse.
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.

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

InChIKey CWJQQASJVVAXKL-UHFFFAOYSA-N

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

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Jagson Colorchem Limited

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Nutan Dye Chem

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Technichem Organics Pvt. Ltd

Gujarat
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