2010/07/19

Preparation or sources of choline chloride

 (1) 20% trim ethylamine aqueous solution react with the concentration of ethylene oxide. After that, derive it to hydrochloric acid.

  (2) Methanol in the choline solution, adding hydrochloric acid, It will be obtained, and then refined;

  (3) Of anhydrous ethanol and trim ethylamine chloride reaction. Reaction carried out at 50 ℃.

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