Overview
Fast Red 3 is a synthetic azo dye widely recognized for its vibrant red color and stability. It is primarily used in biological staining and textile industries due to its excellent lightfastness and chemical resistance. The dye is also employed in histology for tissue staining. Developed as part of the Fast Red series, this dye offers consistent performance under various conditions. Its ability to bind effectively with substrates makes it a preferred choice in both industrial and laboratory settings.
Physical and Chemical Properties
Fast Red 3 appears as a red to brown powder with a molecular weight of 350.33 g/mol. It is soluble in water and ethanol, facilitating its use in aqueous and alcoholic solutions. The dye decomposes at approximately 200°C, making it unsuitable for high-temperature applications. Its chemical structure includes an azo group, which contributes to its color and reactivity. The dye exhibits high stability under acidic conditions, ensuring consistent performance in various environments.
Main Applications
Fast Red 3 is extensively used in biological staining, particularly in histology for visualizing cellular structures. Its affinity for specific tissues makes it valuable in medical diagnostics. The dye is also employed in textile dyeing, where it provides vibrant and durable colors. In addition, Fast Red 3 is used in research laboratories for staining proteins and other biomolecules. Its versatility and reliability have made it a staple in both industrial and scientific applications.
Safety and Storage
Fast Red 3 may cause eye and skin irritation upon contact. It is essential to use protective equipment, such as gloves and goggles, when handling the dye. Proper ventilation is recommended to avoid inhalation of dust. The dye should be stored in a cool, dry place away from light and moisture to maintain its stability. Sealed containers are preferable to prevent contamination and degradation over time.
B2B Procurement Guide
When procuring Fast Red 3, verify the CAS number (2429-74-5) to ensure product authenticity. Purity specifications should align with your application requirements, typically ranging from 95% to 99%. Suppliers may offer bulk discounts, so inquire about pricing tiers for larger quantities. Lead times can vary, so plan purchases accordingly to avoid delays in production or research activities.
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