Abstract
This article provides a comprehensive overview of Basic Red 46, a chemical compound with the CAS number 12221-69-1. It delves into the properties of Basic Red 46, including its chemical structure, physical characteristics, and color properties. Additionally, the article explores the various applications of Basic Red 46 in different industries such as textiles, plastics, and paints. It also discusses the safety and regulatory aspects associated with its use, making it a valuable resource for anyone interested in understanding the role and significance of Basic Red 46 in modern chemistry and industry.
Introduction to Basic Red 46 CAS 12221-69-1
Basic Red 46, also known as CI Basic Red 46, is a synthetic organic dye that falls under the azo dye category. It is widely used in various industries due to its vibrant red color and excellent colorfastness. The CAS number 12221-69-1 is a unique identifier for this compound, which is crucial for its identification and regulation in different countries. This article aims to provide a detailed exploration of the properties and applications of Basic Red 46, highlighting its significance in various sectors.
Chemical Structure and Physical Characteristics
Basic Red 46 is composed of an azo group, which is a characteristic feature of azo dyes. The chemical structure of Basic Red 46 consists of a diazo compound with a sulfonic acid group attached to it. This structure contributes to its vibrant red color and makes it highly soluble in water. The physical characteristics of Basic Red 46 include a fine, free-flowing powder with a particle size ranging from 0.1 to 0.5 micrometers. It is also known for its excellent lightfastness and fastness to washing, which are essential properties for its use in various applications.
Color Properties
The color properties of Basic Red 46 are one of its most notable features. It produces a deep, rich red color that is highly desirable in the dyeing and printing industries. The color intensity can be adjusted by varying the concentration of the dye in the formulation. Additionally, Basic Red 46 exhibits good colorfastness to light, heat, and chemicals, making it suitable for applications where color retention is crucial.
Applications in Textiles
In the textile industry, Basic Red 46 is widely used for dyeing cotton, wool, and silk fabrics. Its vibrant red color and excellent colorfastness make it a preferred choice for producing durable and attractive garments. The dye is also used in the printing of fabrics, where it provides sharp and clear images. Furthermore, Basic Red 46 is used in the production of synthetic fibers, such as nylon and polyester, to impart a red color to these materials.
Applications in Plastics
Basic Red 46 is also utilized in the plastics industry for coloring various plastic products. Its excellent colorfastness and resistance to chemicals make it suitable for coloring items that are exposed to harsh conditions, such as outdoor furniture and automotive parts. The dye is added to the plastic during the manufacturing process, ensuring that the color is consistent throughout the product.
Applications in Paints and Coatings
In the paints and coatings industry, Basic Red 46 is used to produce red paints and varnishes. Its vibrant color and excellent colorfastness make it ideal for exterior applications, such as wood stains and exterior house paints. The dye is also used in the production of industrial coatings, where its durability and resistance to environmental factors are essential.
Safety and Regulatory Aspects
The safety of Basic Red 46 is a critical aspect of its use in various industries. While it is generally considered safe for use in textiles and plastics, it is important to follow the recommended handling and disposal procedures to minimize any potential risks. Regulatory agencies, such as the European Chemicals Agency (ECHA) and the U.S. Environmental Protection Agency (EPA), have set guidelines for the use of Basic Red 46 to ensure its safe application and minimize environmental impact.
Conclusion
Basic Red 46, with its CAS number 12221-69-1, is a versatile and widely used dye in various industries. Its vibrant red color, excellent colorfastness, and wide range of applications make it a valuable compound in the dyeing, printing, and coloring industries. This article has provided a comprehensive overview of the properties and applications of Basic Red 46, highlighting its significance in modern chemistry and industry. By understanding the characteristics and uses of Basic Red 46, professionals can make informed decisions regarding its application in their respective fields.
Keywords
Basic Red 46, CAS 12221-69-1, azo dye, properties, applications, textiles, plastics, paints, safety, regulatory aspects
