What is potassium phosphate?

Potassium phosphate is a generic term for potassium salts and phosphate ions. It is often used as a control agent in milk products, an emulsifier or stabilizer, or to aid malting or fermentation. According to the IFAC , dipotassium phosphate can help stabilize fat droplets in milk to prevent curdling when dairy is added to a hot beverage, such as coffee.