Fluorene(CAS NO 86-73-7)
Preparation:
After recrystallizing and washing the high content fluorene fraction, the purity can be greatly improved. Among them, toluene has a better recrystallization solvent effect than ethanol, and crude fluorene with a purity of 93% can be obtained. Ethanol has a better washing solvent effect than methanol, and crude fluorene has a purity of more than 97%.
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