Molecular weight:203.30
CAS NO:7791-18-6
【Appearance】Colorless crystal. Hygroscopic. Relative density is 1.56. Melting point is 118℃ and decompose. It is soluble in water and alcohol.
【Usage】It can be used as analytical reagent; In pharmaceutical industry, it is used as dialysis powder and dialyzate, etc.
【Standard】The highest impurity content is counted by %
Specification Index name |
Analytically pure-AR |
Chemical pure-CP |
High purity |
USP |
Content(MgCl2·6H2O) /% |
≥98.0 |
≥98.0 |
98.0-101.0 |
98.0-101.0 |
PH(50g/L solvent,25℃) |
5.0~6.5 |
5.0~6.5 |
5.0~6.5 |
4.5-7.0 |
Clarity test |
Qualified |
Qualified |
- |
— |
Water insoluble |
≤0.005 |
≤0.01 |
≤0.01 |
≤0.005 |
Sulfate(SO4) |
≤0.005 |
≤0.01 |
≤0.01 |
≤0.005 |
Phosphate(PO4) |
≤0.001 |
≤0.002 |
- |
|
Total nitrogen(N) |
≤0.005 |
≤0.01 |
- |
|
Potassium(K) |
— |
— |
— |
Qualified |
Calcium(Ca) |
≤0.05 |
≤0.1 |
Qualified |
|
Ferrum(Fe) |
≤0.0005 |
≤0.001 |
≤0.001 |
— |
Barium and strontium ( counted by Ba ) |
≤0.005 |
≤0.005 |
- |
Qualified |
Heavy metal( counted by Pb) |
≤0.0005 |
≤0.001 |
≤0.001 |
≤0.001 |
Arsenic(As) |
- |
- |
≤0.0005 |
≤0.0003 |
Acidity or Alkalinity |
- |
- |
Qualified |
— |
Lead( counted by Pb) |
- |
- |
≤0.0005 |
Qualified |
Organic matter |
- |
Qualified |
【Packing】Plastic woven bag, kraft bag or fiber can. Net weight is 25kg.