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Ferric Chloride Test for Phenols

Aqueous ferric chloride is added to aqueous ethanolic solutions of each of cyclohexanol, phenol, acetyl salicylic acid (aspirin), and salicylic acid.

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.7 MB, 12 seconds

File: MOVIES/TRAM13/0413007.MOV

Voiceover
Aqueous ferric chloride is added to solutions of cyclohexanol, phenol, aspirin, and salicylic acid respectively. Phenolic compounds produce a purple iron complex.

Discussion
Four test tubes contain aqueous ethanolic solutions of cyclohexanol, phenol, acetyl salicylic acid (aspirin), and salicylic acid respectively. Aqueous ferric chloride is added to each tube. The compounds containing phenolic groups - phenol and salicylic acid - produce a purple iron complex.


       

Citation:  
  Shriner, R. L.; Fuson, R. C.; Curtin, D. Y.; Morrill, T. C. The Systematic Identification of Organic Compounds; 6th ed.; Wiley: New York, 1980; pp 348-350.
Design, Text and Demonstrator:  
  Gary Trammell University of Illinois at Springfield, Springfield, IL 62794
Videographer/Editor:  
  Steve Dykema University of Illinois at Springfield, Springfield, IL 62794
Voice:  
  Margaret Biddle University of Wisconsin - Madison, Madison, WI 53706
Audio Production:  
  Greg Minix University of Wisconsin - Madison, College of Engineering, Madison, WI 53706
  Jerrold J. Jacobsen University of Wisconsin - Madison, Madison, WI 53706