Preparation and purification of phosphoryl chloride

Chemistry of inorganic compounds – Phosphorus or compound thereof – Halogen containing

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C01B 2510

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active

041783530

ABSTRACT:
Residual PCl.sub.3 in POCl.sub.3 which has been prepared by the oxidation of PCl.sub.3 in the presence of air or oxygen-enriched air is converted to POCl.sub.3 by contacting the POCl.sub.3 /PCl.sub.3 mixture with ozone or an ozone-enriched gas.

REFERENCES:
patent: 3052520 (1962-09-01), Draeger et al.
The Condensed Chemical Dictionary, 6th Ed., 1962, p. 839.

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