Sodium hexafluoroantimonate is an inorganic chemical compound with the chemical formula .
Synthesis Sodium hexafluoroantimonate may be synthesised by oxidation of antimony trioxide with bromine trifluoride:
Or it may be formed by reaction of antimony and sodium fluorides:
Physical properties Sodium hexafluoroantimonate forms colorless crystals, soluble in water. It crystallizes in the cubic Pa3 space group with unit cell dimension of a=0.820 Å.
Chemical properties Sodium hexafluoroantimonate undergoes slow partial hydrolysis in aqueous solutions.
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