DICALCIUM PHOSPHATE (DCP) DENTAL GRADE

Chemical formula: CaHPO4.2H2O(dihydrate)
CAS NO.: 7789-77-7(dihydrate) INS No. : 341(ii)
Applications: used in dentifrice as polishing agent.
Packing: 25kg paper bag

CHARACTERISTICS SPECIFICATION LIMITS
   
Color, odor, texture, taste Pure, white odorless, tasteless fine powder
CaO % 31.4~32.9
whiteness ≥95
Finess (through 45um)% ≥99
Water absorbtion(mlH2O/20g) 5.0~6.5
density(g/mL) 0.80~1.00
Fluoride(as F)% ≤0.005
Chloride (as Cl)% ≤0.01
Loss on ignition % 25.0~26.5
PH(20% slurry) 6.9~8.1
Stability Pass test
Carbonate Pass test
Sulphate Pass test
Iron(as Fe)% ≤0.01
Barium(as Ba) Pass test
Insoluble in acid % ≤0.2
Loss on drying % ≤0.6
P2O5 % 40.7~42.5
Sulphate(as SO4)% ≤0.2
Heavy metals(as Pb)% ≤0.0015
Arsenic(as As)% ≤0.0003
Total Aerobic Count(CFU/g) ≤100
Mold And Yeast Count(CFU/g) ≤100
Staphylococcus Aureus Negative to test
Gram Negative Bacilli Negative to test

NOTE: Specification Limits are subject to change from time to time. Please contact us for current data sheet