Solvent Red 135 (Cas 71902-17-5／20749-68-2) - A Comprehensive Analysis for Industry Professionals

Abstract

This article provides a comprehensive analysis of Solvent Red 135 (CAS 71902-17-5/20749-68-2), a widely used dye in various industries. It delves into the chemical properties, manufacturing process, applications, safety considerations, regulatory aspects, and future trends of this dye. The aim is to offer industry professionals a detailed understanding of Solvent Red 135, its implications, and its role in the market.

Introduction to Solvent Red 135

Solvent Red 135, also known as CAS 71902-17-5/20749-68-2, is a synthetic organic dye that finds extensive use in the textile, plastic, and printing industries. It is known for its vibrant red color and is characterized by its excellent fastness properties. This dye is synthesized through a series of chemical reactions and is available in various forms, including powder, paste, and liquid.

Chemical Properties of Solvent Red 135

Solvent Red 135 is a triarylmethane dye, which is a class of organic compounds known for their intense colors. The dye is composed of a benzene ring with three aryl groups attached to it. The chemical structure of Solvent Red 135 contributes to its stability and fastness properties, making it suitable for various applications. The molecular weight of Solvent Red 135 is approximately 518.65 g/mol, and it has a melting point of around 265°C.

Manufacturing Process of Solvent Red 135

The manufacturing process of Solvent Red 135 involves several steps, including the synthesis of the intermediate compounds and the final dye production. The process starts with the reaction of aniline with chloroacetophenone to form a diazo compound. This compound is then coupled with a phenol derivative to produce the final dye. The reaction conditions, such as temperature and pH, play a crucial role in the synthesis process, as they affect the yield and purity of the dye.

Applications of Solvent Red 135

Solvent Red 135 is used in a wide range of applications due to its vibrant color and excellent fastness properties. In the textile industry, it is used to dye cotton, wool, and silk fabrics. It is also employed in the plastic industry to color various plastic products, including toys, household items, and automotive parts. Additionally, Solvent Red 135 is used in the printing industry for inks and pigments, providing vibrant colors for various printing materials.

Safety Considerations for Solvent Red 135

While Solvent Red 135 is a widely used dye, it is important to consider its safety aspects. The dye is classified as a hazardous substance, and proper handling and storage are essential to prevent any potential health risks. Workers handling Solvent Red 135 should wear appropriate personal protective equipment, such as gloves and masks, to avoid direct contact with the skin and inhalation of dust. It is also crucial to ensure proper ventilation in areas where the dye is used or stored.

Regulatory Aspects of Solvent Red 135

The use of Solvent Red 135 is regulated by various international and national agencies to ensure its safe and responsible use. The European Union has classified Solvent Red 135 as a substance of very high concern (SVHC) under the REACH regulation. In the United States, the dye is regulated by the Food and Drug Administration (FDA) for its use in food, drugs, and cosmetics. Compliance with these regulations is essential for manufacturers and users of Solvent Red 135.

Future Trends and Conclusion

The demand for Solvent Red 135 is expected to grow in the coming years, driven by the increasing demand for colored products in various industries. However, the focus on sustainability and environmental concerns may lead to the development of alternative, more eco-friendly dyes. Industry professionals should stay updated with the latest research and regulatory changes to ensure the safe and efficient use of Solvent Red 135.

In conclusion, Solvent Red 135 (CAS 71902-17-5/20749-68-2) is a vital dye with extensive applications across multiple industries. Understanding its chemical properties, manufacturing process, applications, safety considerations, and regulatory aspects is crucial for industry professionals. As the market evolves, staying informed about future trends and advancements in dye technology will be essential for the sustainable use of Solvent Red 135.

Keywords: Solvent Red 135, CAS 71902-17-5/20749-68-2, dye, chemical properties, manufacturing process, applications, safety, regulatory aspects, future trends.