2,3-Pyridinedicarboxylic anhydride, identified by its Chemical Abstracts Service (CAS) number 699-98-9, is a significant chemical compound with the molecular formula C7H3NO3 and a molecular weight of approximately 149.10 g/mol. This off-white to light brown crystalline powder is recognized for its unique chemical structure and reactivity, making it a crucial building block in various industrial applications. Its distinct characteristics render it invaluable across multiple sectors, ranging from advanced materials to fine chemicals.

As a high-purity chemical, 2,3-Pyridinedicarboxylic anhydride typically boasts a purity level of ≥97-99%. It exhibits a melting point in the range of 137-139 °C, which is a key indicator of its crystalline nature and consistency. The compound is known by several synonyms, including Quinolinic anhydride, Pyridine-2,3-dicarboxylic anhydride, and FURO[3,4-B]PYRIDINE-5,7-DIONE, reflecting its diverse nomenclature within the chemical community. Understanding these properties is fundamental for its safe handling, effective storage, and optimal performance in synthesis processes.

The utility of 2,3-Pyridinedicarboxylic anhydride extends across a broad spectrum of industries, primarily due to its active anhydride group which readily participates in various chemical reactions. One of its prominent applications is in the synthesis of polymer materials. It serves as a monomer or an intermediate in the production of high-performance polymers, specialized resins, and advanced composite materials, contributing to enhanced material properties. Furthermore, it plays a vital role as a versatile intermediate in the pharmaceutical industry, where it is utilized in the synthesis of active pharmaceutical ingredients (APIs) and other medicinal compounds. Its application also spans into the agrochemical sector for developing new crop protection agents and in the dyestuff industry for creating innovative colorants. Its adaptability underscores its importance in driving innovation across these critical fields.

Ensuring the quality and stability of 2,3-Pyridinedicarboxylic anhydride is paramount for its effective use. As a moisture-sensitive compound, it requires careful handling and storage to maintain its integrity and reactivity. It should be stored in a clean, dry, and cool place, ideally protected from direct sunlight and excessive humidity. Proper sealing in appropriate containers, such as 25kg fiber drums, is essential to prevent degradation from moisture or other atmospheric contaminants. Quality control measures are rigorously applied, with each batch undergoing stringent testing to confirm its purity and adherence to specifications, ensuring consistent performance for our customers.

NINGBO INNO PHARMCHEM CO.,LTD. stands as a reputable manufacturer and supplier of high-quality 2,3-Pyridinedicarboxylic anhydride. With a commitment to excellence and customer satisfaction, we leverage advanced manufacturing processes and strict quality management systems to deliver a product that meets the highest industry standards. Our robust supply chain ensures reliability and timely delivery for various industrial needs. For those looking to buy or purchase this essential chemical intermediate, we offer competitive price options and flexible packaging solutions to accommodate specific requirements. We invite interested parties to inquire about our product specifications and current availability, guaranteeing a seamless procurement experience for this versatile compound.