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1Chemical name: DICALCIUM PHOSPHATE Dihydrate,Calcium Hydrogen Phosphate
2 M. F. : CaHPO 4 .2H 2 O
3 M. W. : 172.09
4 Physical properties: white crystallization(crystal) powder, soluble in diluted hydrochloric acid and nitric acid, slightly soluble in water, insoluble in ethanol, begin to lose water and become anhydrous calcium hydrogen phosphate at 65°C.
5 Quality standard:( HB3257-2001)
| Index Name |
HB3257-2001 |
| Calcium Oxide (CaO)Content, % |
31.4-32.9 |
| Whiteness ≥% |
95 |
| Fineness (through 45um experiment) Content, ≥ % |
99 |
| Suction Content(water absorbing capacity), mLH2O/20g |
5.0-6.5 |
| Arsenic (As) Content, ≤% |
0.0003 |
| Fluoride (by C1) Content, ≤ % |
0.03 |
| Burning Loss, % |
25.0-26.5 |
| Heavy Metal (by Pb ) Content, ≤% |
0.003 |
| PH value(value) (20% suspension) |
6.8-8.1 |
| Stability, |
through experiment |
| Carbonate, |
through experiment |
| Content Insoluble in Hydrochloric Acid, ≤ % |
0.2 |
| Sulfate (by SO4-2) Content, ≤% |
0.5 |
| Drying Loss, ≤% |
0.6 |
| Apparent Density, g/ml |
0.80-1.00 |
| Fluorion Stability Experiment, |
through experiment |
6. Usage: as friction agent to making high-grade toothpaste in daily-use chemicals.
7. Packing: It is packed with ployethylene bags as line-r , and a woven bag as the outer layer. The net weight of each bag is 25kg.
8. Storage and transport: It should be stored in a dry, ventilative and clean warehouse; Keep away from moisture, heat and poisonous substances.
| CAS No.: 7798-77-7 | Other Names: Calcium Hydrogen Phosphate(dental ... | MF: CaHPO4.2H2O |
| EINECS No.: --- | FEMA No.: ---------- | Place of Origin: Jiangsu China (Mainland) |
| Type: as friction agent to making high-grade to... | Brand Name: DT | Model Number: DT |
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