Tris-tetrafluorammonium hexafluoraluminate and its method of pre

Details Tris-tetrafluorammonium hexafluoraluminate and its method of pre Tris-tetrafluorammonium hexafluoraluminate and its method of pre

1978-02-21

1979-09-25

Vertiz, O. R.

Chemistry of inorganic compounds

Nitrogen or compound thereof

423465, 149 193, C01B 2118

Patent

active

041691326

ABSTRACT:
Tris-tetrafluorammonium hexafluoraluminate, (NF.sub.4).sub.3 AlF.sub.6, a new compound, is synthesized by forming a mixture of solid aluminum trichloride in a solution of a molar excess tetrafluorammonium bifluoride in anhydrous hydrogen fluoride, at a temperature of about -78.degree. C. or less. The mix is then rapidly heated to a temperature of about 40.degree. C. to the decomposition temperature of the product until all the solids dissolve. The solution containing the dissolved aluminum trichloride is evaporated under vacuum conditions to cause crystallization of (NF.sub.4).sub.3 AlF.sub.6.

REFERENCES:
patent: 2981597 (1961-04-01), Tarbutton et al.
patent: 3032400 (1962-05-01), Marsh
patent: 3635659 (1972-01-01), Kidde
patent: 3694150 (1972-09-01), Kidde
Christe et al., Inorganic Halogen Oxidizer Research, 1/26/76, pp. 10-11.
Tolberg et al., The Synthesis of NF.sub.4 Salts, Stanford Research Institute.

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