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Tropolone is a sensitive reagent for reducing sugars. It is also an organic chelator that can form complexes with trivalent lathanide ions (Eu3+, Gd3+, and Tb3+).
T 3060 (OTTO) Tropolone, 98% Cas 533-75-5 - used as a precursor to synthesize azulene derivatives such as methyl 2-methylazulene-1-carboxylate.