Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Dithizone
RN: 60-10-6


  • Chelating agent used for heavy metal poisoning and assay. It causes diabetes.

Classification Codes

  • Chelating Agents
  • Sequestering Agents

Molecular Formula

  • C13-H12-N4-S

Molecular Weight

  • 256.332
* denotes mobile formatted website

Links to Resources

Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • Dithizone

MeSH Heading

  • Dithizone


  • (Phenylazo)thioformic acid, 2-phenylhydrazide
  • 1,5-Diphenyl-3-mercaptoformazan
  • 3-Formazanthiol, 1,5-diphenyl-
  • AI3-52366
  • Carbazone, diphenylthio-
  • Diazenecarbohydrazonothioic acid, N,2-diphenyl-
  • Diphenylthiocarbazone
  • Dithizon
  • Dithizone
  • Ditizon
  • EINECS 200-454-1
  • NSC 215189
  • Semicarbazide, 1-phenyl-4-(phenylimino)-3-thio-
  • Thioformic acid, phenylazo-, phenylhydrazide
  • USAF EK-3092

Systematic Names

  • 1,5-Diphenyl-3-thiocarbazone
  • Diazenecarbothioic acid, 2-phenyl-, 2-phenylhydrazide
  • Diazenecarbothioic acid, phenyl-, 2-phenylhydrazide
  • Formic acid, (phenylazo)thio-, 2-phenylhydrazide

Registry Numbers

CAS Registry Number

  • 60-10-6

Other Registry Numbers

  • 30827-05-5
  • 555-88-4

System Generated Number

  • 0000060106

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 200mg/kg (200mg/kg)   National Technical Information Service. Vol. AD277-689,
mouse LD50 intravenous 56mg/kg (56mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#07955,
rat LD oral > 500mg/kg (500mg/kg)   National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 44, 1953.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 167 dec deg C   EXP
log P (octanol-water) 4.170 (none)   EST
Atmospheric OH Rate Constant 7.59E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.