5-Nitro-2-thiophenecarboxylic acid(CAS: 6317-37-9)

5-Nitro-2-thiophenecarboxylic acid is a crystalline compound with a molecular weight of approximately 202.11 g/mol. It has a solubility of about 2.5 g/L in water at 25°C. The compound is reactive towards nucleophiles and can undergo various chemical transformations. It is also known for its acidic nature, making it useful in various chemical reactions.

5-Nitro-2-thiophenecarboxylic acid can be synthesized through the nitration of 2-thiophenecarboxylic acid. This process typically involves the use of concentrated nitric acid and sulfuric acid as a catalyst. The yield is generally around 75-80%, and the reaction requires careful temperature control to avoid decomposition.

5-Nitro-2-thiophenecarboxylic acid finds applications in several industries. It is used in the pharmaceutical industry for the synthesis of certain drugs. In the polymer industry, it can be used as a monomer or intermediate. Additionally, it is employed in the production of sensors and semiconductors due to its unique chemical properties.

When handling 5-Nitro-2-thiophenecarboxylic acid, ensure the use of personal protective equipment (PPE), including gloves, safety goggles, and a lab coat. Work in a well-ventilated area or a fume hood to avoid inhalation. Store the compound in a cool, dry place, away from direct sunlight and flammable materials. In case of a spill, neutralize the acid with a base and dispose of the residue according to local regulations. Always consult the Safety Data Sheet (SDS) for detailed handling and disposal information.