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Quinaldic acid or quinoline-2-carboxylic acid is a carboxylic acid derived from quinoline. The carboxyl group is located at the 2-position of the quinoline. The acid occurs as pale yellow crystals.
Q 2711 (OTTO) Quinaldic acid, GR 98%+ Cas 93-10-7 - used for the colorimetric determination of iron and the gravimetric determination of heavy metals such as cadmium, copper, zinc and uranium.