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Updated: May 8, 2025
In view of the obvious importance of highly irritant compounds capable of existing in a very finely divided, pulverised, or particulate form, research was made in the domain of little volatile substances with boiling points up to 400'0.
Mustard Gas or Dichlordiethyl Sulphide. This was prepared in four stages: Preparation of Ethylene by heating alcohol with an aluminium oxide catalyst at 400'0 C. Preparation of Ethylene-chlor-hydrin, by passing ethylene and carbon dioxide into a 10 per cent. solution of bleaching powder at a temperature below zero centigrade, and subsequent concentration of the product to a 20 per cent. solution.
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