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Product Deail
Magnesium chloride hexahydrate
【Description】Colorless crystalline or white crystalline powder, deliquescent, relative density 1.569, melting point 118℃, 100℃ lost 2 molecules of crystal water, 110℃ began to decompose hydrogen chloride. Soluble in water and alcohol.
Table 1
|
Test items |
GR |
AR |
CP |
Other |
|
Assay(MgCl2•6H2O) /% |
≥99.0 |
≥98.0 |
≥98.0 |
Custom |
|
pH(50g/L,25℃) |
5.0-6.5 |
5.0-6.5 |
5.0-6.5 |
|
|
Clarity of solution /# |
≤2 |
≤3 |
≤5 |
|
|
Water insoluble /% |
≤0.003 |
≤0.005 |
≤0.01 |
|
| Sulfate(SO4) /% |
≤0.002 |
≤0.005 |
≤0.01 |
|
| Phosphate(PO4) /% |
≤0.000 5 |
≤0.001 |
≤0.002 |
|
| Total nitrogen(N) /% |
≤0.002 |
≤0.005 |
≤0.01 |
|
| Sodium(Na) /% |
≤0.005 |
- |
- |
|
|
Potassium(K) /% |
≤0.005 |
- |
- |
|
| Calcium(Ca) /% |
≤ 0.01 |
≤ 0.05 |
≤ 0.10 |
|
| Iron(Fe) /% |
≤ 0.000 2 |
≤ 0.000 5 |
≤ 0.001 |
|
|
Barium and strontium(as Ba) /% |
≤ 0.002 |
≤ 0.005 |
≤ 0.005 |
|
|
Heavy metals (as Pb) /% |
≤ 0.000 2 |
≤ 0.000 5 |
≤ 0.001 |
Table 2
|
Test items |
USP 40 |
Other |
| Assay(MgCl2•6H2O) /% |
98.0-101.0 |
Custom |
| Identification |
Passes test |
|
|
Water insoluble /% |
≤0.005 |
|
| Sulfate(SO4) /% |
≤0.005 |
|
| Barium(Ba) |
Passes test |
|
| Calcium(Ca)/% |
≤0.01 |
|
| Potassium(K) /% |
Passes test |
|
|
Aluminum(Al) /ppm |
1 |
【Use】Used as an analytical reagent; Food additives; Pharmaceutical excipients; Printing and dyeing auxiliaries; Frozen brine; Fire retardant.
