Preparation of N-(dichlorophosphoryl)trichlorophosphazene

Details Preparation of N-(dichlorophosphoryl)trichlorophosphazene Preparation of N-(dichlorophosphoryl)trichlorophosphazene

1988-03-10

1989-03-14

Doll, John

Chemistry of inorganic compounds

Phosphorus or compound thereof

Halogen containing

C01B 2510

Patent

active

048122971

ABSTRACT:
N-(Dichlorophosphoryl)trichlorophosphazene [P.sub.2 NOCl.sub.2 ], essentially devoid of oligomeric impurities, is improvedly and reproducibly prepared by reacting phosphorus pentachloride with ammonium chloride, advantageously stoichiometrically, wherein more than 50% by weight of the ammonium chloride is of a particle size less than 0.16 mm.

REFERENCES:
patent: 3231327 (1966-01-01), Seglin et al.
patent: 3667922 (1972-06-01), Proctor et al.
patent: 4377558 (1983-03-01), De Jaeger et al.
patent: 4544536 (1985-10-01), De Jaeger et al.
patent: 4693876 (1987-09-01), De Jaeger et al.

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