Dithizone/Diphenylthiocarbazone/1,5-Diphenyl-3-thiocarbazon
Item No.： SR0213
Store at： RT，Avoid light
English Name: dithizone; Diphenylthiocarbazone； 1,5-Diphenyl-3-thiocarbazon
Other names: phenylhydrazine thiocarbonylazobenzene; Tasazon; Diphenylsulfonic carbetasone; Lead reagent; Phenylhydrazine thiocarbamoyl azobenzene; Diphenyl thiocarbazone; Diphenylthiohydrazone; Diphenylthioazocarbohydrazide; Diphenyl thioacetal (symmetrical) diaminourea; Diphenyl thiocarbazone; Diphenylthiodiaminourea; 2-phenyl hydrazide phenyl diazene thiocarboxylic acid; Dasazone; Diphenylthiocarbetasone; Diphenylthiocarbazone
CAS No.: 60-10-6
C13H12N4S=256.33
Grade: ar
Spectral effective content: ≥ 75%
Sensitivity test: acceptable
Burning residue (calculated by sulfate): ≤ 0.1%
Drying loss: ≤ 5.0%
Heavy metal (calculated by Pb): ≤ 0.0005%
Chloroform dissolution test: qualified
Physicochemical Properties: blue black crystalline powder. It is easy to be oxidized by air and can be protected by adding sulfur dioxide aqueous solution. It is easily soluble in carbon tetrachloride and chloroform. Its solution is unstable, slightly soluble in ethanol and insoluble in water. Melting point 168 ℃ (decomposition). Half lethal dose (mouse, abdominal cavity) 200mg / kg. Irritating.
Purpose: biochemical research. It is also used for the determination of cobalt, copper, mercury, zinc and silver. Complexation indicator
Save: RT, away from light
