Method for eliminating color forming impurities from nitro...

Details Method for eliminating color forming impurities from nitro... Method for eliminating color forming impurities from nitro...

C - Chemistry, Metallurgy

07

C

C07C 201/16 (2006.01) C07C 205/02 (2006.01)

Patent

CA 2720086

A method for stabilizing nitro compounds against discoloration. The method comprises reacting nitro compounds containing color-forming impurities with nitric acid, neutralizing and washing the product, and distilling therefrom purified nitro compounds.

l'invention concerne un procédé pour stabiliser des composés nitro qui causent une la décoloration. Ledit procédé consiste à faire réagir des composés nitro contenant des impuretés formant une couleur avec un acide nitrique, à neutraliser et à laver le produit et à le distiller en composés nitro purifiés.

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