6-Chloro-2,3-pyridinedicarboxylic acid(CAS: 127437-44-9)

6-Chloro-2,3-pyridinedicarboxylic acid is a crystalline solid with a molecular weight of approximately 212.01 g/mol. It has a high solubility in water and a pKa of around 2.65 and 4.45. This compound is moderately reactive, showing basicity in its acidic form and acidity in its basic form. It can undergo esterification and amide formation under appropriate conditions.

6-Chloro-2,3-pyridinedicarboxylic acid is typically synthesized through the chlorination of 2,3-pyridinedicarboxylic acid with thionyl chloride. The chlorination process is conducted under anhydrous conditions to maximize the yield. The product is then purified through recrystallization from a suitable solvent to obtain the crystalline form.

6-Chloro-2,3-pyridinedicarboxylic acid is used in the pharmaceutical industry for the synthesis of certain drugs and intermediates. It also finds applications in the polymer industry for the synthesis of functionalized polymers and in the semiconductor industry for the production of photoresists. Additionally, it can be utilized in the development of sensors and as a precursor in various organic synthesis reactions.

When handling 6-Chloro-2,3-pyridinedicarboxylic acid, it is important to wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. This compound should be used in a fume hood to minimize exposure. In case of a spill, it should be handled using appropriate spill kits. For detailed safety information, refer to the Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS).