xanthic acid

noun

Definition of xanthic acid

  1. 1a :  a colorless unstable oily thio acid C2H5OCSSH obtained in the form of its potassium salt by reaction of potassium ethoxide with carbon disulfide; O-ethyl dithio-carbonate b :  any of a series of analogous unstable thio acids ROCSSH obtained in the form of their salts by reaction of alkoxides with carbon disulfide :  an O-ester of dithio-carbonic acid methyl xanthic acid CH3OCSSH

  2. 2 :  a hypothetical thio acid HOCSSH whose O-esters are the xanthic acids :  dithio-carbonic acid

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