Preparation of lithium amide

Details Preparation of lithium amide Preparation of lithium amide

1978-12-18

1980-06-03

Peters, G. O.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Hydrogen containing

C01D 1500

Patent

active

042061911

ABSTRACT:
A low temperature method of preparing finely divided lithium amide. A mixture is first formed of bulk pieces of lithium metal with a catalyst such as active metallic cobalt in an inert liquid aromatic hydrocarbon, such as toluene, at about 0.degree. C. to about -60.degree. C. Anhydrous liquid ammonia is then added, aided by stirring, the lithium metal dissolving, two immiscible phases forming, one a so-called lithium-ammonia bronze solution being the top phase, and the toluene being the bottom phase. The formation of the lithium amide is then effected by raising the temperature under conditions of stirring, hydrogen and excess ammonia being liberated and the lithium amide, generally light grey in color, is formed which separates out in a very finely divided solid state, as a slurry in the toluene, and is recovered.

REFERENCES:
patent: 2202994 (1940-06-01), Nieuwland
patent: 2612436 (1952-09-01), Overhoff et al.
patent: 3542512 (1970-11-01), Honeycutt
Greenlee et al, Inorganic Synthesis, vol. II, McGraw Hill Book Co., N.Y., 1946, pp. 128-135.

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