4-Nitrophthalic acid(CAS: 610-27-5)

4-Nitrophthalic acid is an organic compound with the chemical formula C8H5NO5. It is a derivative of phthalic acid, featuring a nitro group (-NO2) at the 4th carbon position. This compound is known for its aromatic structure and strong acidic properties, making it valuable in various chemical applications. It appears as a white crystalline solid and is soluble in polar solvents.

4-Nitrophthalic acid is primarily used in the synthesis of pharmaceuticals and dyes. It serves as an intermediate in the production of various organic compounds, including some drugs and pigments. Additionally, it finds applications in research settings for chemical reactions and as a component in industrial processes involving acid catalysts and functional group modifications.

4-Nitrophthalic acid is generally considered safe when handled properly, but it may cause skin and eye irritation. It is important to follow safety guidelines, such as using personal protective equipment and working in a well-ventilated area. Safety standards typically classify it as a moderately hazardous chemical, requiring careful handling to prevent exposure and ensure proper disposal.

4-Nitrophthalic acid should be stored in a cool, dry, and well-ventilated place, away from light. It is best kept in a sealed container to prevent moisture absorption and maintain its stability. Storage at temperatures below 25°C is recommended, and it should be kept away from incompatible substances such as strong bases and reducing agents.