Tricalcium Phosphate

Chemical Name: Tricalcium Phosphate

Molecular Formula: Ca3(PO4)2

Molecular Weight: 310.18

CAS: 7758-87-4

Character: Mixture compound by different calcium phosphate. Its main component is 10CaO3P2O5· H2O. General formula is Ca3(PO4)2. It is white amorphous powder, odorless, stabilizing in air. Relative density is 3.18. 

Product Detail

Usage: In food industry, it is used as anti-caking agent, nutritional supplement (fortified calcium), PH regulator and buffering agent. It’s also used in flour, powder milk, candy, pudding and so on.
Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Quality standard:  (FCC-V, E341(iii), USP-30)

Name of index FCC-V E341(iii) USP-30
Assay, %      34.0-40.0(as Ca) ≥90(On the ignited basis) 34.0-40.0 (as Ca)
P2O5 Content%     ≤ -- 38.5--48.0 (Anhydrous basis) --
Description White, odourless powder which is stable in air
Identification Pass test Pass test Pass test
Water-soluble substance, % ≤ -- -- 0.5
Acid-insoluble substance, % ≤ -- -- 0.2
Carbonate -- -- Pass test
Chloride, %      ≤ -- -- 0.14
Sulfate, %       ≤ -- -- 0.8
Dibasic salt and calcium oxide -- -- Pass test
Solubility tests -- Practically insoluble in water and ethanol, soluble in dilute hydrochloric and nitric acid --
Arsenic, mg/kg        ≤ 3 1 3
Barium -- -- Pass test
Fluoride, mg/kg        ≤ 75 50(expressed as fluorine) 75
Nitrate -- -- Pass test
Heavy metals, mg/kg   ≤ -- -- 30
Lead, mg/kg           ≤ 2 1 --
Cadmium, mg/kg       ≤ -- 1 --
Mercury, mg/kg        ≤ -- 1 --
Loss on ignition, %     ≤ 10.0 8.0(800℃±25℃,0.5h) 8.0 (800℃,0.5h)
Aluminium -- Not more than 150 mg/kg (only if added to food for iinfants and young children).

Not more than 500 mg/kg (for all uses except food for iinfants and young children).

This applies until 31 March 2015.

Not more than 200 mg/kg (for all uses except food for iinfants and young children). This applies from 1 April 2015.

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