Method of producing alkali metal azides

Details Method of producing alkali metal azides Method of producing alkali metal azides

1992-05-14

1993-05-04

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

C01B 2108

Patent

active

052080021

ABSTRACT:
The method of producing an alkali metal azide involves reaction of hydrazine with an alkyl nitrite in a solvent in the presence of an alkali metal hydroxide. As the solvent is used as aqueous solvent and the reaction ratio of hydrazine is controlled within the range between 50% and 90%. The method can produce with high purities and in high yields alkali metal azides useful as a raw material for the preparation of tetrazoles which can be used as an intermediate material for medicines, as a raw material for the preparation of organic azides useful for light sensitive materials for photo masks employed in the field of electronics industries, or as a major raw material for inflaters used in air bags for cars.

REFERENCES:
patent: 1628380 (1927-05-01), Wilcoxon et al.
patent: 5098597 (1992-03-01), Rothgery et al.

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