Preparation of colorless N-(dichlorophosphoryl)trichlorophosphaz

Details Preparation of colorless N-(dichlorophosphoryl)trichlorophosphaz Preparation of colorless N-(dichlorophosphoryl)trichlorophosphaz

1987-11-12

1988-10-25

Doll, John

Chemistry of inorganic compounds

Phosphorus or compound thereof

Halogen containing

C01B 2510

Patent

active

047802928

ABSTRACT:
Colorless, or but very faintly tinted N-(dichlorophosphoryl)trichlorophosphazene [P.sub.2 NOCl.sub.5 ] is prepared by reacting phosphorus pentachloride with ammonium chloride in the presence of POCl.sub.3, and then treating the resulting medium of reaction, containing P.sub.3 NCl.sub.12, with SO.sub.2, and wherein the temperature of the medium of reaction is maintained at a value of at most about 30.degree. C.

REFERENCES:
patent: 2925320 (1960-02-01), Kahler
patent: 3231327 (1966-01-01), Seglin et al.
patent: 4377558 (1983-03-01), De Jaeger et al.
patent: 4522798 (1985-06-01), Lum et al.
patent: 4544536 (1985-10-01), De Jaeger et al.

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