Nomenclature
CAS number: 16925-39-6
Calcium fluosilicate; calcium silicofluoride.
CaF
6Si; mol wt 182.15.
Ca 22.00%, F 62.58%, Si 15.42%.
CaSiF
6.
Description and references
Prepn from Ca salt and H2SiF6: Moller, Kreth, GB 263780 (1925).
Review of toxicology of fluoride compounds: G. L. Waldbott, Acta Med. Scand. Suppl. 400, 1-44
(1963).
Properties
Dihydrate, powder. d 2.25. Almost insol in cold water. Partially
dec by hot water. Practically insol in acetone. LD in guinea pigs (mg/kg): 250 orally, 450 s.c. (Waldbott).Use
In wood, rubber, textile industries; flotation agent;
insecticide.