3-Nitrophthalic Anhydride, with the CAS number 641-70-3, is a compound that holds significant importance within the realm of fine chemicals. Its molecular formula, C8H3NO5, hints at its reactive nature and its potential as a versatile building block in chemical synthesis. This article aims to shed light on its key properties, explore its synthesis, and detail its diverse applications, particularly for those seeking to purchase 3-Nitrophthalic Anhydride.

Physically, 3-Nitrophthalic Anhydride typically presents as a yellow crystalline powder. This form is stable under standard conditions, though it is often noted to be moisture-sensitive, requiring appropriate storage. The compound's melting point range, commonly cited as 160-164°C, is a key parameter for identification and quality control among manufacturers. Understanding these physical attributes is vital for chemists intending to buy 3-Nitrophthalic Anhydride for specific reaction environments.

The chemical reactivity of 3-Nitrophthalic Anhydride stems from its anhydride functional group and the presence of the nitro substituent on the aromatic ring. This electron-withdrawing group influences the reactivity of the anhydride ring, making it susceptible to nucleophilic attack. This characteristic is fundamental to its utility in organic synthesis. For instance, reactions with amines can lead to the formation of imides, while reactions with alcohols yield esters.

In terms of synthesis, 3-Nitrophthalic Anhydride is typically prepared through the nitration of phthalic anhydride. This process involves treating phthalic anhydride with a nitrating agent, such as a mixture of concentrated nitric and sulfuric acids. Careful control of reaction conditions, including temperature and concentration, is necessary to optimize yield and minimize the formation of unwanted isomers. For those looking to secure a reliable supply, investigating 3-Nitrophthalic Anhydride manufacturers that adhere to stringent quality controls is a priority.

The applications of 3-Nitrophthalic Anhydride are broad and impactful. As a fine chemical intermediate, it is extensively used in the synthesis of pharmaceuticals. It serves as a precursor for numerous drug candidates and intermediates, contributing to the development of new therapeutic agents. In the dye industry, derivatives of 3-Nitrophthalic Anhydride are employed in the production of specific dyes and pigments, adding color and functionality to a wide range of products.

At NINGBO INNO PHARMCHEM CO.,LTD., we recognize the importance of high-quality chemical intermediates. Our commitment is to ensure that when you seek to buy 3-Nitrophthalic Anhydride, you receive a product that meets rigorous standards. Understanding the price of 3-Nitrophthalic Anhydride involves considering factors like purity, supplier reputation, and order volume. We aim to provide competitive pricing without compromising on quality, supporting your research and production needs.

In summary, 3-Nitrophthalic Anhydride (CAS 641-70-3) is a cornerstone intermediate in modern chemistry. Its well-defined properties and versatile reactivity make it an invaluable component for chemists engaged in organic synthesis, pharmaceutical development, and the creation of industrial dyes. By understanding its characteristics and sourcing it from reliable 3-Nitrophthalic Anhydride manufacturers, you can effectively leverage its potential to drive innovation.