2 6-Pyridinedicarboxylic acid concentrate is a liquid concentrate that is used as an additive in paints and coatings to provide corrosion resistance and improve adhesion. It is a yellow to orange colored liquid with a faint odor. It is soluble in water and ethanol, and is insoluble in most organic solvents. It is used in industrial applications, such as in the production of coatings and adhesives, as well as in the manufacture of paper and linoleum.