Potassium tetrathionate13932-13-3100 % similar Potassium sulfate7778-80-542 % similar Potassium thiosulfate10294-66-336 % similar Potassium sulfamate13823-50-236 % similar Potassium bisulfate7646-93-736 % similar Potassium persulfate7727-21-136 % similar Potassium pyrosulfate7790-62-736 % similar Hexamethylene sodium thiosulfate5719-73-333 % similar Potassium peroxymonosulfate10058-23-832 % similar Potassium trifluoromethanesulfonate2926-27-432 % similar Potassium monomethylsulfate562-54-932 % similar Potassium metabisulfite16731-55-831 % similar