Dicalcium Phosphate (DCP) Dental Grade
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- Category :
Intermediates/Others
- CAS NO : 7789-77-7
- EC NO :
- Molecular Formula : H4CaO6P
- Main Specifications : GB24568-2009
- Synonyms : Calcium hydrogen phosphate Dihydrate precipitate;Calcium phosphate dibasic dihydrate;Calcium Phosphate Dihydrate;dicalcium phosphate dihydrate;Calcium hydrogenphosphate dihydrate;
Package: In 25kg composite plastic woven/paper bag with PE liner
Uses : In daily chemicals, it is applied as friction agent to produce high-grade toothpaste.
Molecular Structure:
Product description:
Dicalcium Phosphate Dihydrate (Dental Grade)
1. Chemical name: Dicalcium Phosphate Dihydrate,Calcium Hydrogen Phosphate2. M. F.: CaHPO4.2H2O3. M. W.: 172.094. 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 :( 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 (60℃) ,% 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.