SOME OBSERVATIONS ON THE STRUCTURE OF ETHYLENETHIURAM MONOSULPHIDE

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Abstract
An attempt has been made to answer several apparent objections to the structure ethylene-thiuram monosulphide assigned to the monomeric material of formula C4H6N2S3 obtained by air oxidation of disodium ethylenebisdithiocarbamate. Comparison of the ultraviolet and infrared absorption spectra, potentiometric titrations, and biological assays of the compound and several heterocyclic and other compounds containing the N–C–S grouping has eliminated two possible alternative structures containing thiadiazolidine and dithiazolidine ring systems and has led to the conclusion that the original assignment of structure was correct.