Recrystallization Using Diethyl Ether

A second solvent typically with a lower b p but the compound of interest is very soluble in it e g.

Recrystallization using diethyl ether. Let diethyl ether slowly evaporate and see your crystals grow slowly. 35oc h3c ch3 o ch3 h c och2 o o ethyl acetate b p. The range is taken from the first instant melting starts to the time that the sample is completely liquid. 65 o figure 1.

Procedure for determining a recrystallization solvent place about 50 mg of the sample in a test tube. In cases where an unknown compound needs to be purified by. Two solvents are used in recrystallization in order to either induce crystallization or to improve the growth of crystals. Diethyl ether can be used in the recrystallisation.

Chm220 recrystallization and melting point. Literature sources should be consulted for choosing solvents for recrystallization of known compounds.