lithium fluoride


lithium fluoride

[′lith·ē·əm ′flu̇r‚īd] (inorganic chemistry) LiF Poisonous, white powder melting at 870°C, boiling at 1670°C; insoluble in alcohol, slightly soluble in water, and soluble in acids; used as a heat-exchange medium, as a welding and soldering flux, in ceramics, and as crystals in infrared instruments.