Dithizone/Diphenylthiocarbazone/1,5-Diphenyl-3-thiocarbazon

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