3-Nitrophthalic Acid, identified by its CAS number 603-11-2, is a compound that garners significant attention in the fine chemical industry due to its versatile chemical properties and broad range of applications. Typically presented as an off-white to light yellow powder, this molecule is characterized by its dicarboxylic acid structure with a nitro group substituent. Its molecular formula, C8H5NO6, and a molecular weight of 211.13, are standard references for chemists and researchers working with this compound.

Chemically, 3-Nitrophthalic Acid exhibits a melting point of approximately 210°C, often with decomposition, indicating its thermal sensitivity. Its solubility in water is reported to be around 20 g/L at 25°C, making it accessible for reactions in aqueous or mixed solvent systems. These physical and chemical attributes are critical for formulators and synthetic chemists to consider when planning their processes.

The applications of 3-Nitrophthalic Acid span several sectors. It serves as a crucial intermediate in the synthesis of dyes, pharmaceuticals, and other specialty organic chemicals. For instance, it can be a precursor in the creation of complex heterocyclic compounds or used in the development of new materials with specific functionalities. Researchers often buy this compound for its utility in nitration and carboxylation reactions.

For businesses seeking to procure this chemical, understanding the market and identifying reliable manufacturers is key. Sourcing from countries like China, known for its robust chemical manufacturing sector, can provide access to high-quality 3-Nitrophthalic Acid at competitive prices. When you search for a supplier, look for those who can provide consistent quality, timely delivery, and comprehensive product data.

In essence, 3-Nitrophthalic Acid (CAS 603-11-2) is a valuable fine chemical intermediate with well-defined properties that enable its diverse applications. Whether for research or industrial production, understanding its characteristics and securing a dependable supply source are crucial steps for success in chemical development.