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Synthesis

Chemistry In Pictures

Chemistry in Pictures: TEMPO

by Craig Bettenhausen
June 22, 2023

 

Several dark red crystals of excellent clarity.
Credit: Submitted by Cassidy Carey

If you’re a chemist who studies synthesis or electron transfer , you may know 2,2,6,6-tetramethylpiperidinyl-1-oxy, aka TEMPO, as a radical scavenger or specialized oxidant. But did you know it can form beautiful ruby-like crystals? Cassidy Carey, a graduate student at the University of Michigan, says she unearthed these unusual specimens during an equally unusual occurrence in her lab, “a rare group cleanup.”

Submitted by Cassidy Carey

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