Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
Sensitive:
Hygroscopic
Color:
white
Usage:
Main primary source of fluorine & its compd, in ferrous metallurgy as flux to incr fluidity of slag, synthetic fluorspar is used in optical industry (transmits uv rays), pure form used as catalyst in dehydration & dehydrogenations, used to fluoridate drinking water.