Magnesium FluorosilicatePhysical chemistry properties: white rhombus or acicular crystal, odorless. Its density is 1.788, melting point is 120°C, may lose crystallize water by efflorescence, soluble in water, thin acid, insoluble alcohol thin soluble in silicofluoride. Its water solution appears acidity it can produce fluoride and silicon dioxide with alkali, poisonous. Specification: MgSiF6-6H2O 98.5% min MgSO4-7H2O 0.5% max H2SiF6 0.2% max H2O 0.6% max Water insoluble substance 0.25% max
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