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sodium hexafluorosilicate

Product name sodium hexafluorosilicate
Synonyms disodium silicofluoride
GOST no data
CAS 16893-85-9

Sodium hexafluorosilicate - white crystal powder, decompose higher 570°C, soluble in water (7.62 g/L at 25 °C). In nature exists as rare mineral mallordit.


Sodium hexafluorosilicate is used

  • for preparation of NaF, Na3AlF6, K2SiF6, NH4F CaF2;
  • as brazing flux and welding compound;
  • as component for wet etching;
  • as flotator;
  • as wood preservative and concrete component.

  • Manufacturer(s) JSC Ammofos Cherepovets
    OJSC Halogen

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