Product Details

Dicalcium Phosphate Dihydrate (Dental Grade)

1． Chemical name: Dicalcium Phosphate Dihydrate，Calcium Hydrogen Phosphate
2． M. F.: CaHPO4.2H2O
3． M. W.: 172.09
4． Physical properties: 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℃.
5． Quality standard :( QB/T2477-2007)

TEST ITEMS	QB/T2477-2007
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

6. Usage: In daily chemicals, it is applied as friction agent to produce high-grade toothpaste.

7. Packing: In 25kg composite plastic woven/paper bag with PE liner.

8. 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.