Disodium phosphate anhydrous (DSP) is được sản xuất bởi the controlled neutralization of phosphoric acid with sodium hydroxide followed by dehydration. It is freely soluble in water and produces a mildly alkaline solution.
In the food ngành công nghiệp, DSP được sử dụng rộng rãi as an emulsifying salt in processed cheese to achieve smooth, uniform melt đặc trưngs. It also acts as a buffering agent to maintain optimal pH during thermal chế biến of dairy and meat sản phẩm. DSP is valued for its ability to sequester calcium and magnesium ions, thereby improving the kết cấu and hạn sử dụng of various processed foods.