hemical Name: Dicalcium Phosphate Dihydrate
Formula: CaHPO4.2H2O
Molecular weight:172.09
Properties: White, monoclinic crystalline powder; soluble in dilute hydrochloric, nitric and acetic acids, slightly soluble in water , insoluble in ethanol, when heated to 75℃, it may lose crystal water, convert to anhydrous.
Specifications:
Name of index | FCC | DENTAL GRADE | USP |
Appearance | White powder | White powder | White powder or granular |
Content | % | 98.0-105.0 | ≥98.5 | 98.0-105.0 |
Fluorides | ≤% | 0.005 | 0.005 | 0.005 |
Loss onIgnition | % | 24.5-26.5 | 24.5-26.5 | 24.5-26.5 |
Heavy metals | ≤% | 0.001 | 0.001 | 0.001 |
Pb | ≤% | 0.0001 | 0.0001 | 0.0001 |
As | ≤% | 0.0001 | 0.0001 | 0.0001 |
Acid Insolubles | ≤% | 0.2 | 0.2 | 0.2 |
Fineness | % | According to the Customer’s Demand | 99.0 min. (Pass325Mesh) | According to the Customer’s Demand |
P2O5 | % | --- | 40.7-42.5 | --- |
CaO | % | --- | 31.4-32.9 | --- |
PH Value(20%) | % | --- | 6.9-8.1 | --- |
Carbonate | --- | Pass test | Pass test |
Sulphates | ≤% | --- | Pass test | 0.5 |
Chlorides | ≤% | --- | 0.03 | 0.25 |
60℃ D.C. Water loss | --- | ≤0.6 | --- |
Set test | --- | Pass test | --- |
Titration value | --- | 57-61ml | --- |
Absorptive water capacity(ML/20g) | --- | 4.5-6.5 | --- |
Whitness | ≥% | --- | 95 | --- |
Barium | --- | --- | Pass test |
Yeast/mold | ≤% | --- | --- | 10/g |
Aerobic plate count | ≤% | --- | --- | 10/g |
Organic volatile impurities | --- | --- | Pass test |
Uses: In food processing industry, it is used as leavening agent, dough modifior,, buffer, nutritional supplement, emulsifier, stabilizer. Such as leavening for flour, cake, pastry, bake, double acid type flour color modifior, modifior for fried food, also used as nutrient additive or modifior for biscuit, milk powder, cold drink, ice cream powder. In daily chemical industry, it is used as frictional agent for making top quality tooth paste, especially foaming type tooth paste.In pharmaceutical industry it is used to make calcium tablets, tablet medicine additive etc, for curing acalucosis of woven during pregnancy and lactation and for the prevention and control of rickets and dental caries.
Packing: 25kgs net paper bags or 25kgs or 1000kgs plastic woven bags.
Storage and Transport: It should be stored in a dry, Ventilative and clear warehouse; kept away from moisture and hot, Furthermore, it should be stored separately from poisonous substances