Quinolinic Acid, identified by CAS number 89-00-9 and chemically known as pyridine-2,3-dicarboxylic acid, is a significant fine chemical intermediate with diverse industrial applications. Its unique chemical structure and properties make it an indispensable component in the synthesis of various high-value products, particularly within the agrochemical and pharmaceutical sectors.

As a chemical compound, Quinolinic Acid is typically supplied as a white to off-white crystalline powder. Its key chemical properties include a high purity level, commonly specified as ≥99%, ensuring its suitability for sensitive manufacturing processes. It exhibits good solubility in alkaline solutions and is slightly soluble in water, facilitating its use in a variety of reaction media. The compound's molecular formula is C7H5NO4, with a molecular weight of 167.12 g/mol, and it possesses a melting point of 190-195°C (with decomposition). Proper storage in a cool, dry place is recommended to maintain its stability and shelf life of 36 months.

The industrial significance of Quinolinic Acid stems largely from its role as a precursor in complex chemical syntheses. In the agrochemical industry, it is a vital intermediate for manufacturing potent herbicides, contributing to enhanced crop yields and effective weed management strategies. For the pharmaceutical sector, it serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), including essential antibiotics and therapeutic agents, thereby supporting global health initiatives.

Beyond these core applications, Quinolinic Acid also holds importance in chemical research for its neurochemical properties, particularly its function as an endogenous NMDA receptor agonist and its involvement in the kynurenine pathway. Its utility extends to analytical chemistry, where it can be used as a reagent for determining copper ion concentrations.

For companies looking to purchase Quinolinic Acid, understanding its production standards and sourcing reliable suppliers is paramount. Manufacturers often focus on efficient synthesis routes and stringent quality control to ensure product consistency and purity. Leveraging the advanced manufacturing capabilities available in regions like China provides access to high-quality Quinolinic Acid at competitive prices. When procuring this intermediate, it is advisable to partner with manufacturers who can provide comprehensive product documentation and adhere to international quality management systems, ensuring the integrity of your downstream products.