1-(thiophen-3-yl)ethanamine; CAS No.: 118488-08-7; 1-(thiophen-3-yl)ethanamine. PROPERTIES: 1-(thiophen-3-yl)ethanamine is a crystalline solid. Its molecular formula is C6H9NS, and the molecular weight is approximately 127.21 g/mol. The compound has a melting point of approximately 40-42 C. It is moderately soluble in common organic solvents such as methanol and ethyl acetate, but is poorly soluble in water. For proper storage, it should be kept in a sealed container at room temperature, away from heat and direct sunlight. As a compound containing a thiophene ring and an amine group, it may exhibit certain reactivity and stability. When handling it, protective gloves and eye protection should be worn. In case of accidental contact with skin or eyes, immediate rinsing with water is necessary. APPLICATIONS: In organic synthesis, 1-(thiophen-3-yl)ethanamine serves as a valuable intermediate. The amine group can undergo various reactions such as acylation, sulfonation, and diazotization. The thiophene ring provides unique electronic effects. In the pharmaceutical industry, derivatives of this compound can be explored as potential drug candidates. For example, in the development of certain anti-inflammatory drugs, the structure of 1-(thiophen-3-yl)ethanamine can be modified to enhance the drug's efficacy and reduce side effects (as reported in medicinal chemistry journals). Additionally, in the field of chemical research, it can be used as a starting material for the synthesis of novel organic compounds with potential applications in catalysis and sensing (as noted in organic chemistry research papers).