White monoclinic crystal powder; odorless and colorless; it is soluble in diluted Hydrochloric Acid, Nitric Acid and Acetic Acid; slightly soluble in water but insoluble in Ethanol; its relative density is 2.32; stable in air; it will lose crystal water when heated to 75℃ and then convert to Dicalcium Phosphate Anhydrous.
Quality standards
(GB1889-2004、FCC-V、USP-31)
Name of indexes
GB1889-2004
FCC-V
USP-31
Appearance
White powder
White powder
White powder
Assay (as CaHPO4·2H2O),%
98.0-103.0
97.0-105.0
98.0-105.0
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
-
0.003
Pb, ≤%
0.0005
0.0002
-
As, ≤%
0.0002
0.0003
0.0003
Insoluble in Hydrochloric Acid ≤%
0.05
-
0.2
Chloride ≤%
-
-
0.25
Sulphate ≤%
-
-
0.5
Barium
-
-
Pass test
Uses
In food industry, it is used as leavening agent, dough conditioner, buffer, nutritional supplement, emulsifier, and stabilizer, e.g. it is used as quality improver for flour, cake, biscuit and bakery.
Packing
In 25kg composite plastic woven/paper bag with PE liner.
Storage and transport
It should be stored in a dry and ventilative warehouse, kept away from moisture, heat and stored separately from poisonous substances. Handled with care, so as to avoid damage to packing bags.
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