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| Magnesium chloride hexahydrate |
| Popular name |
Bittern crystal, bittern powder, bittern block, bittern flake, brine, bittern particle |
| English name
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Magnesium chloride |
| Molecular formula
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MgCl2.6H2O |
| Molecular weight
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203.31, easily soluble in water and ethyl alcohol |
| Sensory index |
White crystal, prismatic, acicular, crystalline, powdery, blocky, flaky, granular, with bitter taste. |
| Properties |
It is composed of 74.54% chloride and 25.48% magnesium, relative molecular mass 95.21, colorless hexagonal crystal. Density 2.316—2.33g/m3, melting point 714oC. Boiling point 1412oC. Monoclinic crystal, with saline taste. Density 1.569g/m3, melting point 116—118oC. Soluble in water. |
| Index
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Index name |
Chemical composition Impurity content(%) |
SO4-2 |
K+Na |
CaCl2 |
CaCl2 |
Other |
MgCl2≥46% |
MgCl2.6H2O≥98% |
0.1 |
0.7 |
0.2 |
Balance |
0.9 |
MgCl2≥44% |
MgCl2.6H2O≥96% |
0.2 |
1.2 |
0.4 |
Balance |
2.0 |
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