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| 2,2-DIPHENYL-1-PICRYLHYDRAZYL Basic information |
| Product Name: | 2,2-DIPHENYL-1-PICRYLHYDRAZYL | | Synonyms: | 2,2-Diphenylpicrylhydrazyl;2,2-Diphenyl-1-picrylhydrazyl,1,1-Diphenyl-2-picrylhydrazyl radical, 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl, DPPH;1-diphenyl-2-picrylhydrazyl;1,1-Diphenyl-2-picrylhydrazyl (DPPH);2,2-Diphenyl-1-(2,4,6-trinitrophenyl)-hydrazyl (DPPH);1,1-Diphenyl-2-picrylhydrazyl radical, 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl, DPPH;1,1-Diphenyl-2-picrylhydrazyl Free Radical (contains 10-20% Benzene);[1-(2,4,6-Trinitrophenyl)-2,2-diphenylhydrazino]radical | | CAS: | 1898-66-4 | | MF: | C18H12N5O6* | | MW: | 394.32 | | EINECS: | 217-591-8 | | Product Categories: | Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes;DPPH | | Mol File: | 1898-66-4.mol |
| 2,2-DIPHENYL-1-PICRYLHYDRAZYL Chemical Properties |
| Melting point | ~135 °C (dec.)(lit.) | | density | 1.484 g/cm3 | | storage temp. | 2-8°C | | solubility | Acetonitrile (Slightly), Chloroform (Slightly), DMSO (Slightly), Methanol (Sligh | | form | Solid | | color | green | | Water Solubility | Soluble in dimethyl formamide, ethanol, chloroform, ether, carbon disulfinde, acetone, oils, carbon tetrachloride, glacial acetic acid and toluene. Insoluble in water. | | λmax | 515nm(MeOH)(lit.) | | Merck | 14,3330 | | BRN | 1846081 | | Stability: | Shock Sensitive | | EPA Substance Registry System | Hydrazyl, 2,2-diphenyl-1-(2,4,6-trinitrophenyl)- (1898-66-4) |
| Hazard Codes | Xn | | Risk Statements | 42/43 | | Safety Statements | 22-36/37-45 | | RIDADR | UN2811 | | WGK Germany | 1 | | RTECS | MW3250000 | | TSCA | Yes | | HazardClass | 6.1 | | PackingGroup | II | | HS Code | 29280000 |
| 2,2-DIPHENYL-1-PICRYLHYDRAZYL Usage And Synthesis |
| Chemical Properties | Solid | | Uses | 2,2-Diphenyl-1-picrylhydrazyl is a stable free radical molecule most commonly used as a tool to monitor chemical reactions involving radicals, most notably in antioxidant assay. | | Uses | 2,2-Diphenyl-1-picrylhydrazyl is used as a sensitive colorimetric free radical scavenger. It serves as a general antioxidant detector. It is utilized to monitor chemical reactions involving radicals as well as a standard of the position and intensity of electron paramagnetic resonance signals. Further, it is employed in the quantitative determination of aliphatic and aromatic thiols by indirect spectroscopy and for photometric determination of tocopherol. | | General Description | 2,2-diphenyl-1-picrylhydrazyl is a free radical, which shows hydrogen acceptor ability towards antioxidants. Hence, it is commonly used in DPPH assay for measuring the antioxidant activity of different natural samples such as wine, fruits, herbal tea etc. |
| 2,2-DIPHENYL-1-PICRYLHYDRAZYL Preparation Products And Raw materials |
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