Overview
8-Chloroquinaldine is a chlorinated derivative of quinaldine, featuring a quinoline backbone with a chlorine atom at the 8-position and a methyl group at the 2-position. It serves as a versatile intermediate in organic synthesis, particularly in the pharmaceutical and agrochemical industries. This compound is valued for its reactivity and ability to participate in various chemical reactions, making it a useful building block for more complex molecules. Its synthesis typically involves chlorination of quinaldine or related precursors under controlled conditions.
Physical and Chemical Properties
8-Chloroquinaldine is a pale yellow to light brown crystalline powder with a molecular weight of 177.63 g/mol. It is soluble in common organic solvents such as ethanol, ether, and chloroform but has limited solubility in water. The compound has a melting point of approximately 50-55°C, which may vary slightly depending on purity. Its chlorinated structure contributes to its stability and reactivity, enabling it to participate in substitution and coupling reactions essential for synthesizing pharmaceuticals and agrochemicals.
Main Applications
8-Chloroquinaldine is primarily used as an intermediate in the synthesis of pharmaceuticals, including active pharmaceutical ingredients (APIs) and drug candidates. Its chlorinated quinoline structure makes it a valuable precursor for antimalarial and antibacterial compounds. In the agrochemical industry, it is employed to develop pesticides and herbicides. Additionally, it finds use in research laboratories as a reagent for organic synthesis and chemical studies, owing to its versatile reactivity.
Safety and Storage
8-Chloroquinaldine should be handled with caution due to its potential health hazards. Avoid direct contact with skin, eyes, or inhalation of dust. Use appropriate PPE, including gloves, goggles, and lab coats, when working with this compound. Storage conditions should be cool, dry, and well-ventilated, away from incompatible substances such as strong oxidizers. Ensure containers are tightly sealed to prevent moisture absorption and degradation. Always refer to the material safety data sheet (MSDS) for specific handling and disposal guidelines.
B2B Procurement Guide
When procuring 8-Chloroquinaldine, prioritize suppliers with a proven track record of quality and reliability. Request detailed product specifications, including purity levels (typically 95% or higher) and batch-specific certificates of analysis. Consider logistical factors such as packaging (e.g., sealed bags or drums) and shipping conditions to ensure product integrity. Pricing varies based on quantity and supplier, so obtain multiple quotes for comparison. Establish long-term partnerships with reputable manufacturers to ensure consistent supply and quality.
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