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US 4,299,806 AGranted
Decolorization of elemental yellow phosphorus
AssigneeStauffer Chemical Company
InventorsMark A. Kuck, Gary K. Miller
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Abstract
The invention is a process for purifying elemental yellow phosphorus by contacting the yellow phosphorus with an aliphatic alcohol-tetraalkyl ammonium halide solution which effectively removes impurities and produces a colorless product.
Claims8
A process of purifying elemental yellow phosphorus to obtain a colorless appearing phosphorus which comprises contacting yellow phosphorus with a solution comprised of a tetraalkyl ammonium halide in aliphatic alcohol.
Dependencies are inferred from the claim text.