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What is Tricalcium Phosphate?
August 08, 2019

Tricalcium phosphate is a calcium salt of phosphoric acid that is commonly used as an ingredient in food products and nutritional supplements.  It also sees use in a wide range of other products from toothpaste and antacids to water filtration systems and bone grafting material.  Tricalcium phosphate typically comes in a fine white powder that is almost insoluble in water.  Its chalky texture makes it useful as a free-flowing agent.  Due to its white color, it can also be used to bleach flour and to improve coloring.  And due to its mineral source, tricalcium phosphate can be used in vegan foods and is also allowed in certified organic products in the US. 

In food manufacturing, tricalcium phosphate performs a variety of functions including:

  • Acidity regulator
  • Anticaking agent
  • Buffer
  • Calcium fortifier
  • Emulsifier
  • Firming agent
  • Humectant in table salts, sugar, or baking powder
  • Stabilizer in some fats
  • Leavening agent
  • Thickener

Tricalcium phosphate is not considered toxic or irritating unless ingested in very high concentrations, and it is considered safe as a food additive within recommended limits.  While it is slightly soluble in water, tricalcium phosphate is insoluble in alcohols and acetic acid. 

Independent Chemical Corporation offers Tricalcium Phosphate (CAS 12167-74-7) and thousands of other products for end uses ranging from food ingredients to pharmaceuticals, cosmetics, textiles, water treatment, environmental remediation, and more.  Contact us today for a quote.


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