Nomenclature
CAS number: 16893-85-9
Sodium fluosilicate; sodium silicofluoride; Salufer.
F
6Na
2Si; mol wt 188.06.
F 60.61%, Na 24.45%, Si 14.93%.
Na
2SiF
6.
Description and references
Toxicity study: C. W. Muehlberger, J. Pharmacol. Exp. Ther. 39, 246
(1930). Review of toxicology of fluoride compounds: G. L. Waldbott, Acta Med. Scand. Suppl. 400, 1-44
(1963).
Properties
White, granular powder. d 2.68. Melts at red heat with decompn. Sol
in 150 parts cold, 40 parts boiling water. Insol in alc. The soln
in cold water is neutral. LD in rabbits (mg F/kg): 76 intragastric;
in rats (mg F/kg): 42 s.c. (Muehlberger). LD in guinea pigs (mg/kg): 250 orally, 500 s.c. (Waldbott).Use
In enamels for china and porcelain; manuf opal glass;
as insecticide, rodenticide; mothproofing of woolens. Fluoridating
agent for drinking water. Intermediate in prodn of synthetic cryolite.
Therapeutic Category (Veterinary)
Pediculicide.