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Dicalcium Phosphate (Dental Grade)
Chemical name Dicalcium Phosphate Dihydrate, Calcium Hydrogen Phosphate
Molecular formula CaHPO4·2H2O
Molecular Weight 172.09
Product Image
Performance white crystal powder, it is soluble in diluted Hydrochloric Acid and Nitric Acid, slightly soluble in water, insoluble in ethanol, it may lose water and convert to Dicalcium Phosphate Anhydrous at 65℃.
Quality standards

( QB/T2477-2007)

TEST ITEMS

STANDARD PARAMETERS

Assay

98.5% min

P2O5

40.5%-42.0%

CaO

32.0% min

Whiteness

95.0% min

PH (20%)

7.0-8.1

Particle size (325 mesh)
(200 mesh)

99% min
99.95% min

Apparent density

0.8-1.0g/ml

Water adsorption

5.0-6.5ml/20g

Stability

Pass test

Fast test of stability of fluorine ion

0.9% min

Loss on ignition

25.0%-26.5%

Loss on drying

0.60% max

Heavy metals (as Pb)

0.002% max

Fluoride

0.005% max

Chloride

0.03% max

Sulfate

Pass test

Sulfide

Pass test

As

0.0003% max

Carbonate

Pass test

Fe

0.005% max

Insoluble in HCl

0.2% max

Total plate count

100cfu/g max

Total molds

500cfu/g max

Uses In daily chemicals, it is applied as friction agent to produce high-grade toothpaste.
Packing In 25kg composite plastic woven/paper bag with PE liner.
Storage and transport It should be stored in a dry and ventilated 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.
 
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