Dicalcium Phosphate Dihydrate (Dental grade)

• CAS No.: 7789-77-7
• Formula: Cahpo4.2H2O
• Resource: Chemosynthesis
• Transport Package: Plastic Paper Bags
• Specification: 25KG/bag
• Trademark: Dongtai
• Origin: China
• Production Capacity: 20000metric Tons/Year

Product Description

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 65ºC.
5. Quality standard :( GB24568-2009)

ITEMS	Index
	Stable type to fluoride	Common type
P2O5, %	40.7 -42.5
CaO ,%	31.4-32.9
Whiteness	93.0
PH (20%)	6.8-8.1
Particle size (325 mesh), %	99 min
Bulk density , g/ml	0.8-1.0
Water adsorption ,ml/20g	5.0-6.5
Stability	Pass test
Stability of Fluoride,%	Pass test	-
Loss on ignition,%	25.0-26.5
Loss on drying (60ºC) ,%	0.60 max
Heavy metals (as Pb) ,%	0.002 max
Fluoride,%	0.005 max
Chloride,%	0.03 max
Sulfate,%	0.5 max
Sulfide	Pass test
As,%	0.0003 max
Carbonate	Pass test
Fe,%	0.01 max
Insoluble in HCl ,%	0.2 max
Total plate count	200cfu/g max
Faecal Coliform	Absent
Pseudomonas Aeruginosa	Absent
Staphylococcus Aureus	Absent
Total molds&yeast	200cfu/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.