5-chloro-1,2,3,4-tetrahydroquinoline hydrochloride; CAS No.: 90562-33-7; 5-chloro-1,2,3,4-tetrahydroquinoline hydrochloride. PROPERTIES: 5-chloro-1,2,3,4-tetrahydroquinoline hydrochloride presents as a white crystalline salt with molecular formula C8H9ClN {HCl, possessing a molar mass of approximately 194.08 g/mol. It demonstrates good water solubility and moderate solubility in methanol. Melting point observations typically fall between 195-199 C. Storage requirements include maintaining in well-sealed containers at room temperature, protected from excessive heat and moisture. Safety precautions highlight potential to cause serious eye damage and skin irritation. Proper handling involves using personal protective equipment and implementing engineering controls to minimize dust generation. APPLICATIONS: This compound functions as a key intermediate in the synthesis of antipsychotic medications, particularly those targeting dopamine D2 receptors. Its chlorinated tetrahydroquinoline structure enables selective modification for constructing bioactive molecules. In agrochemical research (non-agricultural application), it contributes to safener compound development through controlled alkylation reactions. Additionally, the compound supports materials science applications in ion channel modulator research, with methodologies described in Journal of Pharmaceutical Sciences and chemical patent databases, demonstrating its versatility across pharmaceutical and materials domains.