Molecular formula:CaHPO4
Molecular Weight:136.06
Storage and transport:It should be stored in a dry and ventilative warehouse and kept away from moisture, heat and stored separately from poisonous substances. Handled with care, so as to avoid the damage to packing bags.
Name of indexes |
FCC-V |
USP-31 |
Appearance |
White powder |
White powder |
Assay (As CaHPO4), % |
97.0-105.0 |
98.0-103.0 |
Fluoride, ≤% |
0.005 |
0.005 |
Loss on drying, ≤% |
7.0-8.5 |
6.6-8.5 |
Heavy metals(As Pb), ≤% |
- |
0.003 |
Pb, ≤% |
0.0002 |
- |
As, ≤% |
0.0003 |
0.0003 |
Insoluble in HCI, ≤% |
- |
0.2 |
Chloride, ≤% |
- |
0.25 |
Sulphate (SO4), ≤% |
- |
0.5 |
Carbonate |
- |
Test passed |
Barium |
- |
Test passed |