Water-sol salts of certain alkyl or aralkyl thiosulfuric acids of the general formula: RSSO2ONa. Prepn: Lecher, Hardy, US 2712547 (1955 to Am. Cyanamid); El-Heweki, Taeger, J. Prakt. Chem. 7, 191 (1958); Tabushi et al., Kogyo Kagaku Zasshi 67, 478 (1964).