Synthesis of Aspirin Flashcards
1
Q
what happened
A
esterification reaction, the phenolic group (OH) in the salycilic acid is replaced with and ester group from the acetic anahydride while sulfuric acid is the catalyst
2
Q
1st test
A
initial iron III apple juice color
3
Q
2nd test
A
salicylic acid dark purple
4
Q
3rd test
A
turned medium purple
5
Q
source of error
A
washing crystals, phenos source is probably unreated salycilic acid reactant
6
Q
4th test
A
commercial aspirin lighter purple