Sodium hexametaphosphate is a food additive used in dairy product, canned milk, packaged egg whites, ice cream, seafood and meat processing. It is also used as a sequestrant and water softening agent and detergents. It is an active ingredient in toothpastes as an anti-staining agent. It prevents the steel corrosion. Further, it is used in building, water treatment and in photographic developing. In addition, it is used as a retarder in dental alginate impression materials and as a thinner for petroleum drilling fluids.
