title: Etridiazole
text: # Etridiazole
  
  Etridiazole is a fungicide and pesticide used for prevention of pythium ultimum on cotton plants.
  
  ## Synthesis
  
  Etridiazole can be synthesised from acetonitrile as follows:
  
  It can also be is produced by the reaction of trichloroacetamidine hydrochloride with trichloromethanesulfenyl chloride, and then with sodium hydroxide in ethanol.
  
  ## Reactivity
  
  Etridiazole is stable under normal conditions, but degrades upon continuous exposure to sunlight, and is hydrolysed by alkalis. When heated to decomposition, it emits toxic fumes of hydrogen chloride, sulfur oxides, and nitrogen oxides.
  
  ## Safety
  
  Etridiazole has been classified as a Group B2 Probable Human Carcinogen.
  
  