This article delves into the fascinating world of Basic Red 46, a chemical compound with the CAS number 12221-69-1. Known for its vibrant red color and diverse applications, Basic Red 46 is a must-read for chemists seeking to understand its properties, uses, and significance in various industries. The article explores its synthesis, chemical structure, applications in dyeing and printing, potential health and environmental impacts, and the ongoing research efforts to harness its full potential.
Basic Red 46, also known as CI Basic Red 46, is a synthetic organic dye that belongs to the azo dye family. It is characterized by its deep red color and is widely used in the textile, printing, and cosmetic industries. The compound has a molecular formula of C16H10N2Na2O6S2 and a molecular weight of 434.39 g/mol. Its CAS number, 12221-69-1, is a unique identifier used in chemical databases and regulatory documents.
The synthesis of Basic Red 46 involves a series of chemical reactions that start with the reaction of 4-aminobenzenesulfonic acid with diazotization to form a diazonium salt. This salt then reacts with 2-naphthol to form the azo dye. The process is followed by neutralization, crystallization, and purification steps to obtain the final product. The synthesis of Basic Red 46 is a complex process that requires careful control of reaction conditions to ensure the desired product is obtained.
The chemical structure of Basic Red 46 is characterized by a benzene ring with a sulfonic acid group and an azo bond connecting two benzene rings. The azo bond is responsible for the vibrant red color of the dye. The presence of the sulfonic acid group makes Basic Red 46 water-soluble, which is crucial for its applications in dyeing and printing. The structure of Basic Red 46 also allows for various modifications to create different shades and properties.
Basic Red 46 is widely used in the dyeing and printing industries due to its excellent colorfastness and vibrant red color. It is used to dye cotton, wool, silk, and other natural fibers, as well as synthetic fibers like nylon and polyester. In printing, Basic Red 46 is used in the production of inks for various applications, including offset printing, flexography, and gravure printing. Its versatility and color intensity make it a preferred choice for many manufacturers.
While Basic Red 46 is a valuable compound in various industries, it is also associated with potential health and environmental risks. The compound can be toxic if ingested or inhaled, and it may cause allergic reactions in some individuals. Additionally, the disposal of Basic Red 46 and its by-products can lead to environmental pollution, particularly in water bodies. Therefore, proper handling, storage, and disposal of Basic Red 46 are essential to minimize these risks.
The study of Basic Red 46 continues to be an active area of research, with scientists exploring new synthesis methods, modifications to enhance its properties, and safer alternatives to reduce environmental impact. Research is also focused on understanding the behavior of Basic Red 46 in different matrices, such as water, soil, and air, to better assess its environmental fate. The ongoing research aims to harness the full potential of Basic Red 46 while minimizing its risks.
Basic Red 46, with its CAS number 12221-69-1, is a compound that has captured the attention of chemists due to its diverse applications and unique properties. From its synthesis and chemical structure to its uses in dyeing and printing, and the potential health and environmental impacts, Basic Red 46 is a subject of significant interest. The ongoing research efforts to improve its synthesis, enhance its properties, and mitigate its risks highlight the importance of this compound in various industries. As chemists continue to explore the power of Basic Red 46, its role in the future of dyeing, printing, and other applications remains promising.
Basic Red 46, CAS 12221-69-1, azo dye, dyeing, printing, chemical structure, health impact, environmental impact, research, synthesis.