Tricalcium Phosphate
1. Chemical name: Tricalcium Phosphate, Calcium Phosphate
2. M. F: Ca3(PO4)2
3. M.W: 310.18
4. Physical properties: White powder; odorless; relative density: 3.18; hardly soluble in water, but easily soluble in diluted Hydrochloric Acid and Nitric Acid; stable in air.
5. Quality standard(GB1886.332-2021, FCC-V,E 341 (iii))
Name of index |
GB1886.332-2021 |
FCC-V |
E 341 (iii) |
Appearance |
white floating, amorphous powder |
Content,% |
34.0-40.0(as Ca) |
34.0-40.0(as Ca) |
≥90(on the ignited basis) |
P2O5(on the Anhydrous basis) ,% |
- |
- |
38.5--48.0 |
Identification |
- |
- |
Positive tests for calcium and for phosphate |
As,≤ % |
0.0003 |
0.0003 |
0.0001 |
F,≤ % |
0.0075 |
0.0075 |
0.005 |
Heavy metals(Pb),≤% |
0.001 |
- |
- |
Pb,≤ % |
0.0002 |
0.0002 |
0.0001 |
Cadmium,≤ % |
- |
- |
0.0001 |
Mercury,≤ % |
- |
- |
0.0001 |
Aluminium,≤ mg/kg |
- |
- |
200 |
Loss on Ignition(800ºC) ≤ % |
10.0 |
10.0 |
8.0(800 °C ± 25 °C,0.5 hour) |
Clear grade |
Slightly turbid |
- |
- |
6.Usage: In food industry, it is used as anti-caking agent, nutritional supplement (calcium intensifier),PH regulator and buffer,as auxiliary in refinery of animal oil and yeast food.
7.Packing: In 25kg composite plastic woven/paper bag with PE liner.
8.Storage and transport: It should be stored in a dry, ventilative and clean warehouse and kept away from water and moisture during transport and stored separately from poisonous substances. Handled with care, so as to avoid damage to packing bags.