公开(公告)号：CA2927166C

公开(公告)日：2021-12-28

申请号：CA2927166

申请日：2014-10-13

Applicant: BASF SE

Inventor： PINKOS ROLF ,  OSETSKA OLGA ,  DE WISPELAERE IRENE ,  DUDENHOFFER STEFAN ,  WALCZUCH CHRISTINA

IPC: C07C29/80 ,  C07C29/88 ,  C07C31/20

Abstract: The invention relates to a method for the preparation of 1,4-butane diol having an APHA color index of less than 30 by treating 1,4-butane-diol-containing substance mixtures by distillation of the 1,4-butane diol in the presence of complex hydrides.

公开(公告)号：CA2927166A1

公开(公告)日：2015-04-30

申请号：CA2927166

申请日：2014-10-13

Applicant: BASF SE

Inventor： PINKOS ROLF ,  OSETSKA OLGA ,  DE WISPELAERE IRENE ,  DUDENHOFFER STEFAN ,  WALCZUCH CHRISTINA

IPC: C07C29/80 ,  C07C29/88 ,  C07C31/20

Abstract: The invention relates to a method for the preparation of 1,4-butane diol having an APHA color index of less than 30 by treating 1,4-butane-diol-containing substance mixtures by distillation of the 1,4-butane diol in the presence of complex hydrides.