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CAS No. 1898-66-4
Synonyms: DPPH;Diphenypicrylhydrazyl;Diphenylpicrylhydrazyl.;2,2-Diphenylpicrylhydrazyl;1-diphenyl-2-picrylhydrazyl;2,2-DIPHENYL-1-PICRYLHYDRAZYL;1,1-DIPHENYL-2-PICRYLHYDRAZYL;diphenylpicrylhydrazylfreeradical;2,2-Diphenyl-1-picrylhydrazyl(DPPH);1,1-Diphenyl-2-picrylhydrazyl (DPPH)
CBNumber: CB8753025
Molecular Formula: C18H12N5O6 *
Formula Weight: 394.32
MOL File: 1898-66-4.mol
Melting point : ~135 °C (dec.)(lit.)
storage temp. : 2-8°C
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.
Merck : 14,3330
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes : Xn
Risk Statements : 42/43
Safety Statements : 22-36/37-45
WGK Germany : 1
RTECS : MW3250000
TSCA : Yes
HazardClass : 6.1
PackingGroup : II
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.

1,1-DIPHENYL-2-PICRYLHYDRAZYL Chemical Properties,Usage,Production

Chemical Properties
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.
1,1-DIPHENYL-2-PICRYLHYDRAZYL Preparation Products And Raw materials
Raw materials
PICRIC ACID Nitrogen Etanol Phosphorus oxychloride Chloroform Sodium nitrite Diethyl ether Benzene Sodium bicarbonate Thiourea dioxide Diphenylamine Acetic acid glacial Methanol Sodium hydroxide Pyridine Magnesium sulfate Lead dioxide PETROLEUM ETHER
Preparation Products
1,1-DIPHENYL-2-PICRYLHYDRAZYL Suppliers      Global( 89)Suppliers     
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J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
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TCI (Shanghai) Development Co., Ltd. 800-988-0390
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Chemsky(shanghai)International Co.,Ltd. 021-50135380 China 32539 50
1898-66-4(1,1-DIPHENYL-2-PICRYLHYDRAZYL)Related Search:
3,5-DIAMINONITROBENZENE 4-Nitrophenylhydrazine 2,4-Dinitroaniline DNP 1,3,5-TRIAMINOBENZENE 1,2-Diphenylhydrazine Diphenylamine 2-Nitrophenylhydrazine 1,3,5-TRINITROBENZENE 2,4,6-TRINITROANILINE 1,2,3-TRIAMINOBENZENE 4-Nitro-o-phenylenediamine 1,1-DIPHENYL-2-PICRYLHYDRAZINE 1,2-Diamino-3-nitrobenzene 1,1-DIPHENYL-2-PICRYLHYDRAZYL 3,5-DINITROANILINE 1,1-DIPHENYLHYDRAZINE 2,2-DI(4-TERT-OCTYLPHENYL)-1-PICRYL-HYDRAZYL, FREE RADICAL
2,2-Diphenyl-1-picrylhydrazyl,1,1-Diphenyl-2-picrylhydrazyl radical, 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl, DPPH 2,2-Diphenylpicrylhydrazyl 1-diphenyl-2-picrylhydrazyl DPPH 1,1-Diphenyl-2-picrylhydrazyl (DPPH) 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)-hydrazyl (DPPH) 2,2-Diphenyl-1-picrylhydrazyl(DPPH) 2,2-Diphenyl-1-picrylhydrazyl (contains 10-20% Benzene) 2,2-diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl diphenylpicrylhydrazylfreeradical 1,1-DIPHENYL-2-PICRYLHYDRAZYL 1898-66-4 2,2-DIPHENYL-1-PICRYLHYDRAZYL DPPH Radical Chemistry Picrylhydrazyl Derivatives Synthetic Reagents Stable Radicals 1,1-Diphenyl-2-picrylhydrazyl radical "2,2-DIPHENYL-1-PICRYLHYDRAZYL,FREE RADICAL, 95% C18H12N5O6 Diphenylpicrylhydrazyl. 2,2-diphenyl-1-(2,4,6-trinitrophenyl)-hydrazy Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes 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 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazino radical Diphenypicrylhydrazyl
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