HE fact that dithiocarbamic esters are formed from alkyl T thiocyanates and hydrogen sulphide led Chanlaroff'to examine the behavior of ethyl thiocyanate, C, H; SCN, with thioacetic acid, thioacetic anhydride, and thiobenzoic acid. He found, in each case, that the compounds reacted and that crystalline products resulted. However, he only described the addition product with thioacetic acid, and to this he assigned the formula CH, CONHCS. ...