Methyl 3-(chlorosulfonyl)-2-thiophenecarboxylate(CAS: 59337-92-7)

Methyl 3-(chlorosulfonyl)-2-thiophenecarboxylate (CAS: 59337-92-7) is a crystalline solid with a molecular weight of approximately 249.6 g/mol. It has a low solubility in water but is soluble in common organic solvents like acetone and DMF. The compound is reactive towards nucleophiles and can undergo sulfonation reactions. It is stable under normal conditions but should be stored in a cool, dry place away from oxidizing agents.

Methyl 3-(chlorosulfonyl)-2-thiophenecarboxylate (CAS: 59337-92-7) can be synthesized via the chlorosulfonation of 2-thiophenecarboxylic acid methyl ester using fuming sulfuric acid. The reaction proceeds under reflux conditions, and the yield can be improved by using a catalytic amount of a phase transfer catalyst. The product is then purified by recrystallization from a suitable solvent.

Methyl 3-(chlorosulfonyl)-2-thiophenecarboxylate (CAS: 59337-92-7) is primarily used in the pharmaceutical and polymer industries. It serves as a precursor for the synthesis of various organic compounds and materials. In the pharmaceutical sector, it is utilized in the development of new drug molecules, while in polymers, it can be used as a monomer or crosslinker in the production of advanced materials with specific properties.

When handling Methyl 3-(chlorosulfonyl)-2-thiophenecarboxylate (CAS: 59337-92-7), appropriate personal protective equipment (PPE) should be worn, including gloves, goggles, and a lab coat. This compound should be used in a well-ventilated area or fume hood to minimize exposure to fumes. Spills should be cleaned up immediately using appropriate absorbent materials, and the area should be thoroughly rinsed with water. Always refer to the Safety Data Sheet (SDS) for detailed safety information and emergency procedures.