Sodium hexafluoroaluminate

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Sodium hexafluoroaluminate

Other names	sodium fluoaluminate sodium aluminofluoaluminate Cryolite Kryolite
Identifiers
CAS number	[13775-53-6]
Properties
Molecular formula	Na₃AlF₆
Molar mass	209.941262 g/mol
Appearance	white powder
Density	2.9 g/cm³, solid
Melting point	1000°C
Boiling point	decomposes
Solubility in water	insoluble
Vapor pressure	essentially 0
Hazards
EU classification	not listed
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Sodium hexafluoroaluminate (Na₃ Al F₆) is a chemical compound. It is a stable compound although will decompose when reacted with aluminium oxide (Al₂O₃), or sodium oxide (Na₂O).

Conditions/substances to avoid are thermal decomposition and strong acids.

[edit] Applications

This compound is used in the production of insecticides, in the glass and enamel industries, as well as being a solvent for bauxite in the electrolytic manufacture of aluminium.

[edit] Safety Notes

Acute effects: If ingested, this compound may cause vomiting, cramps, nausea and diarrhea. Larger doses may affect the respiratory system, the bladder, the kidneys and the heart. Upon contact with the skin, this chemical may cause irritation and, in more severe cases, skin rashes. Contact with the eyes or inhaling the substance will also cause some irritation.