Synonyms: 4-Isothiazolecarbonitrile,2,3-dihydro-5-mercapto-3-thioxo-, disodium salt (9CI);4-Isothiazolecarbonitrile, 3,5-dimercapto-, disodium salt (8CI); Sodium,[(4-cyano-3,5-isothiazolediyl)dithio]di- (7CI);3,5-Bis(sodiothio)-4-isothiazolecarbonitrile; Disodium4-cyano-3,5-dimercaptoisothiazole