The world of chemical synthesis is built upon foundational molecules, and 3-Nitrophthalic Anhydride, known by its CAS number 641-70-3 and molecular formula C8H3NO5, is undeniably one of them. As a highly versatile fine chemical intermediate, its unique chemical structure makes it indispensable for a wide array of synthetic pathways, particularly within the pharmaceutical and dye manufacturing sectors. This article explores the fundamental aspects of this compound, guiding those who need to buy 3-Nitrophthalic Anhydride.

From a physical standpoint, 3-Nitrophthalic Anhydride is characterized by its appearance as a yellow crystalline powder. Its melting point, typically observed in the range of 160-164°C, is a critical parameter for quality assessment. Manufacturers carefully control the synthesis process to ensure these specifications are met, as consistency is key for downstream applications. For researchers and manufacturers seeking to buy 3-Nitrophthalic Anhydride, understanding these physical properties is essential for successful integration into their chemical processes.

The chemical reactivity of 3-Nitrophthalic Anhydride is largely attributed to its anhydride functional group. This group readily undergoes reactions with nucleophiles, enabling the formation of various derivatives such as esters, amides, and imides. The presence of the nitro group on the aromatic ring influences the electron distribution, potentially activating or directing further reactions. This versatility makes it a preferred intermediate for complex organic synthesis projects.

The synthesis of 3-Nitrophthalic Anhydride primarily involves the nitration of phthalic anhydride. This reaction requires precise control over parameters like temperature and reagent concentration to achieve high yields and purity. Reputable 3-Nitrophthalic Anhydride manufacturers invest in robust quality control measures to guarantee product integrity. When considering the price of 3-Nitrophthalic Anhydride, factors such as purity, supplier reliability, and market demand play significant roles.

The applications of 3-Nitrophthalic Anhydride are diverse and impactful. In the pharmaceutical industry, it serves as a key intermediate for synthesizing active pharmaceutical ingredients (APIs) and other vital compounds used in drug development. Its role in the dye industry is also notable, where it contributes to the creation of specific colorants with desirable properties. For businesses looking to source this vital chemical, working with established 3-Nitrophthalic Anhydride suppliers like NINGBO INNO PHARMCHEM CO.,LTD. ensures access to consistent quality and reliable supply.

In conclusion, 3-Nitrophthalic Anhydride (CAS 641-70-3) is a fundamental component in modern chemical synthesis. Its established properties and broad applicability in critical industries underscore its importance. NINGBO INNO PHARMCHEM CO.,LTD. is committed to supporting innovation by providing access to this essential fine chemical intermediate, empowering advancements in pharmaceuticals, dyes, and beyond.