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  • 专利标题:   Preparation of chromatographic acetonitrile comprises adding industrial acetonitrile into the reaction vessel, adding graphene oxide, heating up to reflux, distilling under normal pressure and taking out fractions.
  • 专利号:   CN105439903-A, CN105439903-B
  • 发明人:   HAO M, WANG S, WANG L, ZHANG C
  • 专利权人:   SHANDONG HUIHAI PHARM CHEM CO LTD, SHANDONG HUIHAI PHARM CHEM CO LTD
  • 国际专利分类:   C07C253/34, C07C255/03
  • 专利详细信息:   CN105439903-A 30 Mar 2016 C07C-253/34 201642 Pages: 5 English
  • 申请详细信息:   CN105439903-A CN10894962 05 Dec 2015
  • 优先权号:   CN10894962

▎ 摘　　要

NOVELTY - Preparation of chromatographic acetonitrile comprises adding industrial acetonitrile into the reaction vessel, adding graphene oxide, heating up to reflux for 2-10 hours, distilling at 60-100 degrees C under normal pressure of 20:1 and taking out fractions. USE - Method for preparing chromatographic acetonitrile (claimed). ADVANTAGE - The method is simple and easy to control and has good repeatability, low production cost and has yield of more than 95%/ The product has purity of more than 99.99%.