Dicalcium phosphate has several major uses in various industries, including:

1. Food and beverage industry: Dicalcium phosphate is commonly used as a food additive, especially in the production of baked goods, dairy products, and beverages. It is added as a source of calcium and as a leavening agent.
2. Pharmaceutical industry: Dicalcium phosphate is used as an excipient in the production of pharmaceuticals. It is used as a filler or binder in tablets and capsules.
3. Animal feed industry: Dicalcium phosphate is a major ingredient in animal feed. It is used as a source of calcium and phosphorus, which are essential minerals for the growth and development of animals.
4. Fertilizer industry: Dicalcium phosphate is used as a fertilizer, especially in the production of phosphate fertilizers. It is a good source of phosphorus, which is an essential nutrient for plant growth.