2,3-Pyridinedicarboxylic acid

Colorless columnar crystals. Slightly soluble in water, insoluble in benzene and ether.

Used as a reagent for organic synthesis

Used as an intermediate for the herbicide imazethapyr.

It is used as an intermediate for nicotinic acid, nicotinamide, nicotinamide, etc., and is also a reagent for the determination of copper ions.