Potassium Tripolyphosphate, CAS# 13845-36-8, is a potassium salt of phosphoric acid manufactured through chemical synthesis, available as White powder. Potassium Tripolyphosphate is widely used as emulsifier and stabilizer in food processing. It is affirmed by US FDA as GRAS(generally recognized as safe) and widely accepted as safe food additive in many countries with E number E451. As a professional supplier and manufacturer of food additives, Foodchem International Corporation has been supplying Food Grade Potassium Tripolyphosphate to customers all over the world for over 10 years.