Sodium Cryolite

AppearanceColorless to white, also brownish, reddish and rarely black, Monoclinic crystals
Free HF0.002%
SolubilitySoluble in AlCl3 solution, soluble in H2SO4 with the evolution of HF, which is poisonous.
Fluorine Value as F54.28%
Supply TypeManufacturer, Exporter, Supplier, Retailer, Distributor, Trader
Preferred Buyer Location All over the world

Product Details

AppearanceColorless to white, also brownish, reddish and rarely black, Monoclinic crystals
Silica as SiO20.6%
Sulphate as SO40.004%
Assay98.5%
Specific Gravity2.95 to 3.0.
Chloride as Cl0.003%
Aluminium12.68%
Melting Point1012 °C
Fluorine Value as F54.28%
Lead Pb0.02%
Solubility in WaterInsoluble in water
pH Value7.5 – 9.0
Free HF0.002%
Molar Mass209.9 g mol-1
Molecular FormulaNa3AlF6
Iron as Fe0.05%
SolubilitySoluble in AlCl3 solution, soluble in H2SO4 with the evolution of HF, which is poisonous.