8-Anilino-1-naphthalenesulfonic Acid
Overview
8-Anilino-1-naphthalenesulfonic acid (ANS) is a chemical compound widely used in the dye industry and biological research. It is known for its fluorescent properties, making it valuable in protein binding studies and textile applications. ANS is typically supplied as a light yellow to brown powder and is soluble in various solvents, including water and alcohol. The compound's unique structure allows it to interact with hydrophobic regions of proteins, making it a useful tool in biochemistry. Its applications extend beyond the laboratory, as it is also employed in textile dyeing processes, where it imparts vibrant colors to fabrics.
Physical and Chemical Properties
ANS has a molecular weight of 299.34 g/mol and a molecular formula of C16H13NO3S. It appears as a light yellow to brown powder and decomposes at temperatures around 215-220°C. The compound is soluble in water, alcohol, and alkaline solutions, which enhances its versatility in various applications. One of the key properties of ANS is its fluorescence, which is utilized in studying protein conformations and interactions. Its ability to bind to hydrophobic regions of proteins makes it a valuable probe in biochemical research. The compound's solubility and stability under different conditions further contribute to its widespread use.
Main Applications
ANS is primarily used in the textile industry as a dye, where it provides vibrant and durable colors to fabrics. Its fluorescent properties also make it a popular choice in biological staining and fluorescence studies, particularly in protein binding research. In addition to its industrial and laboratory uses, ANS is employed in various diagnostic applications. Its ability to interact with proteins and other biomolecules makes it a useful tool in medical and biochemical research. The compound's versatility ensures its continued relevance in multiple fields.
Safety and Storage
When handling ANS, it is essential to take appropriate safety precautions to avoid inhalation or skin contact. Protective equipment, such as gloves and masks, should be used to minimize exposure. The compound should be stored in a cool, dry place away from direct sunlight to maintain its stability. Proper storage conditions are crucial to prevent degradation and ensure the compound's effectiveness. ANS should be kept in a tightly sealed container to avoid moisture absorption and contamination. Following these guidelines will help maintain the compound's quality and safety for use in various applications.
B2B Procurement Guide
When procuring ANS, buyers should verify the CAS number (82-76-8) and purity specifications to ensure they are receiving the correct product. It is also advisable to request a certificate of analysis from the supplier to confirm the compound's quality and composition. The reference price range for ANS is approximately $50-$200 per kilogram, depending on the purity and quantity purchased. Buyers should compare prices from multiple suppliers and consider factors such as shipping costs and lead times. Establishing a reliable supply chain is essential for consistent access to high-quality ANS.
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