Description General description Sodium hexametaphosphate is an inorganic polyphosphate salt commonly used as a corrosion inhibitor, emulsifying agent and as a tooth whitening agent in dentifrice formulations. Application Sodium hexametaphosphate has been used as a deflocculant to prepare clay suspensions. Packaging 1, 5 kg in poly bottle 250 g in poly bottle Biochem/physiol Actions Intended for the cytologic demonstration of Naphthol AS-D Chloroacetate Esterase in blood, bone marrow films or tissue touch preparations.