Tripolyfosfaatti

Tripolyfosfaatti is the common name for sodium tripolyphosphate, a salt of the polyphosphate penta-anion, with the formula Na5P3O10. It is a white crystalline powder that is soluble in water. Tripolyfosfaatti is a form of sodium phosphate and is produced industrially by heating a mixture of sodium orthophosphate and sodium pyrophosphate.

This compound has a wide range of industrial applications due to its chelating properties, which allow it to bind to metal ions. In food processing, tripolyfosfaatti is used as a preservative and emulsifier, and it can improve the texture and moisture retention of meats, poultry, and seafood. It is also found in detergents as a builder, helping to soften water and enhance the cleaning power of surfactants. Other uses include water treatment, as a deflocculant in ceramics, and in toothpaste to prevent tartar buildup.

While generally considered safe for its intended uses, excessive consumption of phosphates can contribute to environmental issues such as eutrophication in waterways. Regulatory bodies in many countries set limits on the amount of tripolyfosfaatti that can be used in food and other products.