Sodium Fluorosilicate

Name:
Sodium Fluorosilicate
Detailed information:

Chemistry name:	sodium silicofluoride; sodium hexafluorosilicate; sodium fluosilicate
M Formula:	Na2SiF6
Properties:
White, free-flowing powder; odorless; tasteless. D 2.7, mp decomposes at red heat. Partially soluble in cold water; more soluble in hot water; insoluble in alcohol.
Derivation:
From fluosilicic acid and sodium carbonate, or sodium chloride.
Grade:
Technical, CP.
Hazard:
Toxic by ingestion and inhalation, strong irritant to tissue. TLV: 2.5 mg(F)/m3.
Use:
Fluoridation, laundry sours, opalescent glass, vitreous enamel frits, metallurgy (aluminum and beryllium), insecticides and rodenticides, chemical intermediate, glue, leather and wood preservative, moth repellent, manufacture of pure silicon.