Corpus ID: 109552256

Preparation method for 2,4-D butyl ester

  title={Preparation method for 2,4-D butyl ester},
  author={郑留清 and 朱正江 and 田晓宏},
  • 郑留清, 朱正江, 田晓宏
  • Published 2012
  • Chemistry
  • The invention relates to a preparation method for 2,4-D butyl ester. By weight, 100-120 parts of 2,4-dichlorphenoxyacetic acid, 1-2 parts of sulfuric acid, 50-60 parts of n-butyl alcohol and 200-500 parts of a solvent are mixed and reacted, reflux and dehydration are carried out, the reaction is carried out for 2-5h, the reaction endpoint is reached, the mixture is cooled to 50-70 DEG C, the pH value is adjusted to 10, layer separation is carried out, the organic layer is washed to be neutral… CONTINUE READING

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