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Phosphate Home Phosphate Tricalcium phosphate

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Tricalcium phosphate-E341(iii)

Tricalcium phosphate,E341(iii), CAS No:7758-87-4,tribasic calcium phosphate,TCP
Tricalcium phosphate-E341(iii)
as a white amorphous powder, odorless and tasteless, insoluble in water, is an important food additive. With anticoagulant, buffering, water conservation and other functions, but also the importance of nutrition, protein powder additive.
Tricalcium phosphate-E341(iii) as a food additive widely used in milk, dairy products, candy, condiments and other foods.

Tricalcium phosphate

  • E No:E341(iii)
  • CAS No:7758-87-4
  • Specification:Feed grade,Food grade
  • Routine Packing:25kg/bag
  • Place of origin:China
  • QC:Haccp, Kosher, Hala
  • Payment terms:T/T or L/C
  • Port of dispapch:Shanghai,Tianjin,Qingdao

InquiryDownload

    • Item
    • Specification--FCC-V (Food grade,USP)
    • Name
    • Tricalcium phosphate
    • Assay (On the ignited basis)
    • ≥90%
    • Molecular formula
    • Ca3(PO4)2
    • P2O5 Content(on the Anhydrous basis)
    • 38.5--48.0 %
    • Description
    • White floating crystalline powder
    • Identification
    • Positive tests for calcium and for phosphate
    • Solubility tests
       
    • Practically insoluble in water, insoluble in ethanol soluble in dilute hydrochloric and nitric acid
    • Residue on ignition
    • ≤8 %
    • Heavy metals
    • Arsenic
    • 3 ppm
    • Lead
    • 4 ppm
    • Cadmium
    • 1 ppm
    • Mercury
    • 1 ppm

 

Tricalcium phosphate is a calcium salt of phosphoric acid with the chemical formula Ca3(PO4)2. It is also known as tribasic calcium phosphate or "bone ash" (calcium phosphate being one of the main combustion products of bone). It has an alpha and a beta crystal form, the alpha state being formed at high temperatures. As rock, it is found in Whitlockite.

Natural occurrence

It is found in nature as a rock in Morocco, Israel, Philippines, Egypt, and Kola (Russia) and in smaller quantities in some other countries. The natural form is not completely pure, and there are some other components like sand and lime which can change the composition. In terms of P2O5, most calcium phosphate rocks have a content of 30% to 40% P2O5 in weight. The skeletons and teeth of vertebrate animals are composed of calcium phosphate, mainly hydroxyapatite.

Uses

Tricalcium phosphate is used in powdered spices as an anti-caking agent.

Calcium phosphate is an important raw material for the production of phosphoric acid and fertilizers, for example in the Odda process. Calcium phosphate is also a raising agent (food additives) E341. Is a mineral salt found in rocks and bones, it is used in cheese products. It is also used as a nutritional supplement and occurs naturally in cow milk, although the most common and economical forms for supplementation are calcium carbonate (which should be taken with food) and calcium citrate (which can be taken without food).

There is some debate about the different bioavailabilities of the different calcium salts. It is commonly used in porcelain and dental powders, and medically as an antacid or calcium supplement, although calcium carbonate is more common in this regard. It can be used as a tissue replacement for repairing bony defects when autogenous bone graft is not feasible or possible. It may be used alone or in combination with a biodegradable, resorbable polymer such as polyglycolic acid. It may also be combined with autologous materials for a bone graft.