Process for preparing methylchlorosilanes

US7153992B2 · kind B2 · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Wilfried Kalchauer · Burghausen, DE
• Jochen Gross · Erlangen, DE

Key dates

• Filing date: Jan 27, 2006
• Grant date: Dec 26, 2006
• Expiry date: Jan 27, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the direct synthesis of methylchlorosilanes by reaction of chloromethane with a contact composition comprising silicon, copper catalyst and a total proportion of sodium and potassium of from 10 to 400 ppm.