Sodium Tripholyphosphate is a colorless salt produced from disodium phosphate and monosodium phosphate. It’s main application is as a water softener, or builder, in industrial detergents. STPP is also used as a preservative in seafood, meats, and animal feed. It’s E-number is E451. It can also be used in ceramics, leather tanning, flame retardants, paper, anticorrosion pigments, rubber, fermentation and antifreeze.

Minimum orders are typically one drum for liquid materials and pallets for materials that ship in bags. Availability varies. Please call for details.