Overview
Basic Brown 1, also known as Bismarck Brown Y, is a synthetic azo dye widely used in industrial applications. It belongs to the cationic dye class, known for its affinity toward protein fibers such as wool and silk. The dye is characterized by its brown color and is commonly employed in textile and leather industries. Basic Brown 1 is also utilized in biological staining, where it helps in visualizing cellular structures under a microscope. Its chemical structure includes aromatic rings and azo groups, which contribute to its dyeing properties. The dye is available in powder form and is soluble in water and ethanol.
Physical and Chemical Properties
Basic Brown 1 is a brown crystalline powder with a molecular weight of 419.31 g/mol. It is soluble in water and ethanol, making it suitable for aqueous dyeing processes. The dye exhibits good stability under normal storage conditions but may degrade when exposed to strong oxidizing agents. The dye's cationic nature allows it to bind effectively to negatively charged fibers, such as wool and silk. Its azo groups are responsible for the chromophoric properties, giving the dye its characteristic brown hue. Basic Brown 1 is not volatile, and its melting and boiling points are not well-documented.
Main Applications
Basic Brown 1 is primarily used in the textile and leather industries for dyeing natural and synthetic fibers. Its ability to bind to protein fibers makes it a popular choice for wool and silk dyeing. The dye is also used in the production of colored paper and inks. In biological applications, Basic Brown 1 serves as a staining agent for microscopic examination of tissues and cells. Its affinity for certain cellular components helps in distinguishing structures under a microscope. The dye's versatility and ease of use make it a valuable tool in both industrial and scientific settings.
Safety and Storage
Basic Brown 1 should be handled with care to avoid inhalation or skin contact. Personal protective equipment (PPE), such as gloves and masks, is recommended when working with the dye. The compound is not highly toxic but may cause irritation upon prolonged exposure. Storage conditions should include a cool, dry place away from direct sunlight and moisture. Properly sealed containers are essential to prevent degradation. Disposal of the dye should comply with local environmental regulations to minimize ecological impact.
B2B Procurement Guide
When procuring Basic Brown 1, buyers should verify the CAS number (10114-58-6) to ensure product authenticity. Purity specifications should be clearly stated in the purchase agreement, as impurities can affect dye performance. Reliable suppliers should provide material safety data sheets (MSDS) and certification of analysis (COA). Price ranges vary depending on quantity and supplier, with typical costs between $20 and $50 per kg. Bulk purchases may qualify for discounts. Buyers should also consider logistics and storage requirements to maintain product quality during transit and storage.
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