Preparation of tertiary amine oxides

US5543515A · kind A · utility

Assignee

• BASF SE

Inventors

• Ulrich Koehler · Heidelberg, DE
• Hardo Siegel · Speyer, DE
• Guenther Seybold · Schifferstadt, DE

Key dates

• Filing date: Aug 3, 1994
• Grant date: Aug 6, 1996
• Expiry date: Aug 3, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C291/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing tertiary amine oxides with a low nitrosamine content by reacting a tertiary amine with an aqueous solution of hydrogen peroxide, which comprises using as starting material tertiary amines whose total content of primary and secondary amines is not more than 0.05% by weight.