Overview
Basic Red 46 is a synthetic cationic dye belonging to the azo dye class. It is primarily used for dyeing acrylic fibers due to its strong ionic bonding with the negatively charged fiber surface. The dye exhibits excellent brightness and color fastness, making it a preferred choice in the textile industry. Its versatility extends to paper coloring and ink formulations, where consistent hue and stability are critical. As a water-soluble compound, it is easy to handle in industrial processes, though proper storage is essential to maintain its efficacy.
Physical and Chemical Properties
Basic Red 46 appears as a red crystalline powder with a molecular weight of 350.84 g/mol. It dissolves readily in water and polar solvents like ethanol, facilitating its use in aqueous dye baths. The dye’s cationic nature ensures strong adhesion to synthetic fibers, particularly acrylics. While its exact melting and boiling points are not widely documented, the compound is stable under normal storage conditions. Its solubility profile and compatibility with industrial processes make it a reliable choice for large-scale applications.
Main Applications
The primary use of Basic Red 46 is in the textile industry, where it imparts a vibrant red shade to acrylic fabrics. Its affinity for synthetic fibers ensures long-lasting color retention, even after repeated washing. The dye is also employed in paper manufacturing to produce colored paper products. In the ink sector, Basic Red 46 serves as a pigment for printing and packaging materials. Its solubility allows for uniform dispersion, resulting in consistent print quality. Additionally, it finds niche applications in biological staining and research.
Safety and Storage
Basic Red 46 requires careful handling to minimize health risks. Workers should avoid inhalation of dust and direct skin contact by using gloves, masks, and protective clothing. The dye is not classified as highly toxic, but prolonged exposure may cause irritation. Storage recommendations include keeping the dye in a cool, dry place, sealed in its original packaging to prevent moisture absorption. Containers should be labeled clearly and kept away from oxidizing agents to avoid chemical reactions.
B2B Procurement Guide
When sourcing Basic Red 46, buyers should prioritize suppliers who provide detailed technical specifications, including purity levels and batch consistency. Requesting samples for lab testing ensures the dye meets colorfastness and solubility requirements. Price negotiations should account for bulk purchase discounts, though quality should not be compromised. Reliable suppliers often offer logistical support, such as airtight packaging to prevent degradation during transit. Certifications like REACH compliance can further assure product safety and regulatory adherence.
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