8-Quinolinecarboxaldehyde
Overview
8-Quinolinecarboxaldehyde is an organic compound belonging to the quinoline family, characterized by a formyl group at the 8-position. It is widely utilized in chemical research and industrial applications due to its reactive aldehyde functionality. The compound serves as a versatile intermediate in the synthesis of pharmaceuticals, agrochemicals, and other quinoline derivatives. Its unique structure makes it valuable for constructing complex molecules in organic chemistry. Quinoline derivatives, including 8-Quinolinecarboxaldehyde, are known for their biological activity and are often explored in drug discovery. The compound's ability to act as a ligand or precursor further enhances its importance in coordination chemistry and material science.
Physical and Chemical Properties
8-Quinolinecarboxaldehyde appears as a pale yellow to yellow crystalline powder with a molecular weight of 157.17 g/mol. It has a melting point range of approximately 60-65°C and is soluble in common organic solvents such as ethanol, methanol, and acetone. The compound exhibits limited solubility in water, making it suitable for reactions in non-aqueous environments. The aldehyde group in 8-Quinolinecarboxaldehyde is highly reactive, enabling it to participate in condensation, oxidation, and other organic transformations. Its stability under standard conditions allows for easy handling and storage, though precautions should be taken to avoid exposure to moisture and light, which may degrade the compound over time.
Main Applications
8-Quinolinecarboxaldehyde is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Its reactive aldehyde group facilitates the formation of Schiff bases, hydrazones, and other derivatives, which are valuable in drug development. The compound is also employed in the production of fluorescent dyes and sensors due to its quinoline backbone. In research, 8-Quinolinecarboxaldehyde serves as a building block for constructing complex molecules, including ligands for metal coordination chemistry. Its applications extend to material science, where it is used to modify surfaces or create functionalized polymers. The versatility of this compound makes it a staple in organic synthesis laboratories.
Safety and Storage
8-Quinolinecarboxaldehyde should be handled with care to avoid skin and eye irritation. Personal protective equipment, including gloves and goggles, is recommended when working with this compound. In case of contact, rinse affected areas immediately with water and seek medical attention if necessary. Proper storage is essential to maintain the compound's stability. It should be kept in a cool, dry place, away from direct light and moisture. The container must be tightly sealed to prevent contamination and degradation. Long-term storage under inert gas, such as nitrogen, may further enhance shelf life.
B2B Procurement Guide
When procuring 8-Quinolinecarboxaldehyde, buyers should prioritize suppliers with verified certifications and a track record of quality. Key factors to consider include purity (typically 95% or higher), CAS number verification, and batch analysis reports. Requesting samples for testing can help ensure the product meets specific requirements. Price variations depend on purity, quantity, and supplier location. Bulk purchases may offer cost savings, but storage conditions must be evaluated to prevent degradation. Establish clear communication with suppliers regarding lead times, packaging options, and shipping conditions to avoid delays or quality issues.
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