Question 8

How would you recover only salicylic acid (1) from an aqueous solution of its sodium salt (4)?


Salicylic Acid (1) Sodium Salicylate (4)
  1. Basify the aqueous solution, then extract with dichloromethane.
  2. Extract the aqueous solution with dichloromethane.
  3. Acidify the aqueous solution, then extract with dichloromethane.
  4. Filter the aqueous solution.
Organic Web Chem University of Alberta