... or sodium triphosphate or TPP), with formula Na5P3O10, is a polyphosphate of sodium. It is the sodium salt of triphosphoric acid.It ... meats, poultry and pet foods. It is also used in toothpaste and as a builder in soaps and detergents, improving their ... pretanning agents,dyeing auxiliaries, oil sludge control agents. Is also a catalyst in organic synthesis as wellas for refined petroleum products ...