Product name:3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
Purity:98%
Appearance:White powder
Sample:Available
Storage:Room Temperature
CAS No.: 89-36-1
3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Cas 89-36-1
Typical Properties
Chemical name:3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
Cas no:89-36-1
Synonyms:1-(4-Sulfophenyl)-3-methyl-5-pyrazolone;
Molecular weight:254.26
Molecular formula:C10H10N2O4S
Molecular structure:
| Item | Specification |
| Melting point | >252 °C |
| Density | 1.4456 |
| RI | 1.565 |
| pKa | 4.9 |
| Water solubility | 5 g/L |
Usage
1. Dye intermediate; used to synthesize reactive dyes (such as Reactive Yellow) and acid dyes (such as Acid Red and Acid Yellow), which are widely used for dyeing cotton and silk textiles.
2. Analytical chemistry: Pre-column derivatization reagent for sugars and aldehydes, used in liquid chromatography detection.
3. Used in small quantities for photosensitive materials and scientific research reagents.
Packaging and Shipping
25kg/bag
According to customer requirments.
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3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one Cas 89-36-1