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By certification 
1．Chemical name: Dicalcium Phosphate Dihydrate
2．M. F. : CaHPO4.2H2O
3．M. W. : 172.09
4．Physical properties: White and monoclinic crystalline powder; Odourless and colorless; Soluble in diluted Hydrochloric Acid, Nitric Acid and Acetic Acid; Slightly soluble in water but insoluble in Ethanol; Relative density 2.32; Stable in air; To lose crystal water at 75℃ and then turn into Dicalcium Phosphate Anhydrous.
5． Quality standard:(GB1889-92、FCC-IV、USP-23)
Name of indexes |
GB1889-2004 |
FCC-IV |
USP-23 |
Appearance |
White powder |
White powder |
White powder |
Assay (as CaHPO4.2H2O),% |
98.0-103.0 |
97.5-105.0 |
97.0-105.0 |
Fluoride, ≤% |
0.005 |
0.005 |
0.005 |
Loss on ignition, % |
24.5-26.5 |
24.5-26.5 |
24.5-26.5 |
Heavy metals(as Pb), ≤% |
0.001 |
0.0015 |
0.0015 |
Pb, ≤% |
0.0005 |
0.0002 |
0.0002 |
As, ≤% |
0.0002 |
0.0003 |
0.0003 |
Insolubles in Hydrochloric Acid ≤% |
0.05 |
- |
0.02 |
Chloride ≤% |
- |
- |
0.25 |
6. Usage: In food processing industry, it is used as leavening agent and modifier, buffer, nutritional supplement, emulsifier, stailizer for dough, cake, pastry and bakery.
7. Packing: It is packed with ployethylene bags as line-r , and a woven bag as the outer layer. The net weight of each bag is 25kg.
8. Storage and transport: It should be stored in a dry, ventilative and clean warehouse; Keep away from moisture, heat and poisonous substances.
