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PRODUCTS

Cryolite

Synonym(s)
:   Sodium hexafluoroaluminate, aluminum trisodium hexafluoride, aluminum sodium fluoride
Mol. Formula
:   AlF6Na3
EC / List no.
:   239-148-8
CAS no.
:   15096-52-3
Molecular weight
:  209,94
Cryolite is an inorganic sodium salt and a perfluorometallate salt. Contains a hexafluoroaluminate (3-).
Application
»  Used in abrasives, special metals and alloys coating agents, surface treatment agents, process regulators and solvents (product formulation).
Product Specifications
Physical and Chemical Properties
» Cryolite appears as a white solid or powder.
» It is odorless.

Properties
Characteristics Unit Value Condition
Melting point °C 10091  
Boiling point     Decomposes
Density g/cm3 2.9 20 °C
Solubility g/ 100 mL 0.042 25 °C, slightly soluble in water
Vapor pressure mm Hg 0  
Surface tension mN/ m 125  
Refractive index   1.338