Continuous production of phosphine

US4258022A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Georg Elsner · Hürth, DE
• Werner Klose · Lechenich, DE
• Christian May · Garching an der Alz, DE
• Gero Heymer · Lechenich, DE

Key dates

• Filing date: Sep 12, 1979
• Grant date: Mar 24, 1981
• Expiry date: Sep 12, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B25/06
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to the continuous production of phosphine. To this end, elemental phosphorus is reacted with an aqueous alkali metal hydroxide solution and at least one alcohol, the reactants being used in admixture with 0.01 to 2 weight % of a surfactant, the percentage being based on the alcohol.