Identification: Chemical Name: Sodium aluminium hexafluoride Synonyms: Artificial Cryolite; Aluminum sodium fluoride; Kryolith; Sodium cryolite CAS No.: 13775-53-6 Molecular Formula: Na3AlF6 Properties: white crystalline powder or a sandy-size granularity, Slightly soluble in water. Specifications: Type Unit F AL NA SiO2 Fe2O3 SO4 CaO P2O5 H2O CH-1 % 52min 12min 33max 0.36max 0.08max 1.0max 0.2max 0.03max 0.4max CM-1 % 53min 13min 32max 0.36max 0.08max 1.0max 0.6max 0.03max 0.4max Particle Size sandy (80mesh), powder (200mesh, 325mesh) Application: Mainly used as a flux in the aluminium smelting by fused salt electrolysis; also an opalizer in the manufacture of enamel; an opacifier and auxiliary solvent of glass and enamel; an insecticide of crops; a flux in aluminium alloy casting; and in the production of ferrous alloy and effervescing steel.