Method of producing storage stable 1-di-(c1- to c3-)...

Details Method of producing storage stable 1-di-(c1- to c3-)... Method of producing storage stable 1-di-(c1- to c3-)...

C - Chemistry, Metallurgy

07

C

C07C 215/12 (2006.01) C07C 213/04 (2006.01)

Patent

CA 2084335

ABSTRACT OF THE DISCLOSURE 1-Di-(C1- to C3-) alkylamino-2,3-propanediols can be produced in known manner from glycidol and di(C1- to C3-) alkyl amines. The resulting compounds, which are colourless in themselves, become discoloured during storage. According to the invention this disadvantage can be eliminated by heat treatment at 150 to 200°C for 0.5 to 5 hours before the dialkyl aminopropanediol is purified by distillation. The method is particularly applicable to manufacture of storage stable 1-dimethylamino-2, 3-propanediol.

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