2,2-Diphenyl-1-picrylhydrazyl
96%
Reagent
Code: #80207
Alias
1,1-diphenyl-2-picrylhydrazine;DPPH;A,A-diphenyl-B-picrylhydrazine;2,2-biphenyl-1-picrylhydrazine (free radical)
CAS Number
1898-66-4
science Other reagents with same CAS 1898-66-4
blur_circular Chemical Specifications
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Molecular Information
Weight
394.32 g/mol
Formula
C₁₈H₁₂N₅O₆
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Registry Numbers
EC Number
217-591-8
MDL Number
MFCD00007231
thermostat
Physical Properties
Melting Point
~135 °C (dec.)(lit.)
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Storage & Handling
Storage
2~8°C
description Product Description
2,2-Diphenyl-1-picrylhydrazyl is widely used as a stable free radical in antioxidant research. It is commonly employed in the DPPH assay, a method to evaluate the free radical scavenging activity of various compounds, particularly in food, cosmetics, and pharmaceuticals. This chemical reacts with antioxidants, leading to a color change from purple to yellow, which can be measured spectrophotometrically to determine antioxidant capacity. Its stability and ease of use make it a valuable tool in assessing the efficacy of natural and synthetic antioxidants. Additionally, it is utilized in studies involving oxidative stress and the development of antioxidant-rich products.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Purity (%) | 95.5 Min |
| Solubility (method) | Dark Purple, 50MG/ML, CHCL3 |
| Infrared spectrum | Conforms to Structure |
| LCMS | Conforms to Structure |
| N (%) | 15.8 Min to 18.8 Max |
| C(%) | 51.5 Min to 58.1 Max |
| APPEARANCE | Green to Very Dark Green and Black Powder |
| NMR | Conforms to Structure |
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