3-Nitrophthalic Anhydride, identified by its CAS number 641-70-3 and chemical formula C8H3NO5, is a pivotal fine chemical intermediate that underpins numerous critical industrial processes. Its utility spans the pharmaceutical sector, where it aids in the synthesis of complex drug molecules, to the dye industry, where it contributes to the creation of vibrant colorants. This article provides an in-depth look at its properties, synthesis, and the considerations for those looking to buy 3-Nitrophthalic Anhydride.

As a fine chemical intermediate, 3-Nitrophthalic Anhydride is typically supplied as a yellow crystalline powder. Its physical characteristics, including a melting point range of 160-164°C, are well-documented and serve as key quality indicators for manufacturers. For researchers and industrial chemists, understanding these properties is essential for planning and executing synthesis reactions successfully. When sourcing this chemical, verifying its purity and adhering to its handling requirements, such as protection from moisture, is crucial.

The chemical significance of 3-Nitrophthalic Anhydride lies in its reactive anhydride group, which readily engages in nucleophilic addition and substitution reactions. This reactivity makes it a valuable starting material for a wide array of organic syntheses. The nitro group present on the aromatic ring also influences the compound's electronic properties, potentially enhancing or directing further chemical transformations. The price of 3-Nitrophthalic Anhydride is influenced by various factors, including production scale, purity levels, and global market conditions, making strategic sourcing important.

The industrial synthesis of 3-Nitrophthalic Anhydride commonly involves the nitration of phthalic anhydride. This process demands precise control over reaction conditions to ensure efficient conversion and high product purity. Partnering with experienced 3-Nitrophthalic Anhydride manufacturers who implement rigorous quality control protocols is therefore highly recommended. NINGBO INNO PHARMCHEM CO.,LTD. is committed to being a reliable source for this essential chemical, ensuring consistent quality for our clients.

The applications of 3-Nitrophthalic Anhydride are diverse. Within the pharmaceutical industry, it acts as a vital intermediate in the creation of various active pharmaceutical ingredients (APIs) and drug precursors. Its contribution to the dye industry involves its use in the synthesis of specific dyes and pigments, adding color and functionality to numerous products. For companies needing to buy 3-Nitrophthalic Anhydride, a thorough understanding of its role in these industries highlights its indispensability.

In summary, 3-Nitrophthalic Anhydride (CAS 641-70-3) is a fundamental fine chemical intermediate with a broad range of applications. Its well-defined properties and chemical versatility make it a cornerstone for innovation in the pharmaceutical and dye sectors. NINGBO INNO PHARMCHEM CO.,LTD. stands ready to support your chemical sourcing needs, providing access to high-quality 3-Nitrophthalic Anhydride and contributing to your success in synthesis and production.