Calcium hexafluorosilicate
CAS:
Ref. 3D-FC91911
Product Information
Name:Calcium hexafluorosilicate
Brand:Biosynth
Description:Calcium hexafluorosilicate is a synthetic, inorganic compound that has the chemical formula CaSiF6. It is a water-soluble solid that can be prepared by heating calcium carbonate and silicon tetrafluoride together. Calcium hexafluorosilicate is used as an artificial fluorite in toothpaste and as a source of fluoride for dental care products. The thermal expansion of calcium hexafluorosilicate produces a glassy, brittle material which absorbs water molecules readily. This property makes it useful in the absorption process where it takes up hydrogen fluoride gas from hydrofluoric acid to produce sodium fluoride, calcium phosphate, and orthophosphoric acid. Calcium hexafluorosilicate reacts with acidic solutions such as phosphoric acid or sulfuric acid to produce calcium phosphate and hydrogen fluoride gas.
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Chemical properties
Molecular weight:181.92994
Formula:CaSiF6
Purity:Min. 95%