Synonyms: Sodium polyphosphate, amorphous;Phosphonate, oxybis-, disodium salt;Sodium Hexametaphosphate(SHMP);Sodium hexameta phosphate(food grade);food grade sodium hexametaphosphate;Glassy sodium phosphate;Grahamsches Salz;Phosphonate, P,P'-oxybis-, sodium salt (1:2);Natrium polymetaphosphat;Natrium polyphosphat;Polyphosphoric acids, sodium salts;