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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.
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.
