Dicalcium Phosphate


Dicalcium phosphate is a chemical compound that is produced through the process of neutralizing calcium hydroxide with phosphoric acid. This reaction results in a versatile material used in various applications, from food additives to biomaterials.

Also Known As

Dicalcium phosphate is known by several names, reflecting its chemical composition and uses in different contexts. These include:

  • Dibasic calcium phosphate
  • Calcium monohydrogen phosphate
  • Calcium hydrogen phosphate
  • Phosphoric acid calcium salt (1:1)
  • DCP


Dicalcium phosphate is widely used as a food additive, serving as a leavening agent in baking and as a dietary calcium supplement. It’s also found in toothpaste as a polishing agent, contributing to dental health by removing surface stains. Additionally, dicalcium phosphate acts as a tableting agent in pharmaceutical preparations, including products aimed at reducing body odor. Its role as a biomaterial further underscores its importance in medical and health-related applications.


Dicalcium phosphate serves multiple roles in various industries, thanks to its chemical properties and safety profile. It is particularly notable for its use in food production, dental care, and pharmaceuticals. Key points about dicalcium phosphate include:

  • Used as a food additive and dietary supplement for calcium enrichment.
  • Functions as a polishing agent in toothpaste, promoting oral health.
  • Serves as a tableting agent in pharmaceuticals, facilitating the manufacturing of pills.

Common Dosage

The common dosage for dicalcium phosphate, especially when used as a dietary supplement, is typically 2000 mg once or twice daily, based on the recommendation of a healthcare provider. This dosage can vary depending on the specific needs and health conditions of the individual.


Dicalcium phosphate is a versatile compound used across food, dental, and pharmaceutical industries. Its ability to act as a dietary supplement, polishing agent, and tableting agent makes it invaluable in various applications. Highlights of dicalcium phosphate include:

  • Multi-industry utility from food additives to biomaterials.
  • Essential role in dental health and dietary supplements.
  • Recommended dosage is 2000 mg once or twice daily, as directed.

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