Pigment Yellow 34 CAS 1344-37-2： Everything You Need to Know About This Colorant

Abstract

This article provides an in-depth overview of Pigment Yellow 34 CAS 1344-37-2, a widely used colorant in various industries. It delves into its chemical properties, manufacturing process, applications, safety considerations, regulatory aspects, and environmental impact. By exploring these aspects, the article aims to offer a comprehensive understanding of this colorant and its significance in the market.

Introduction to Pigment Yellow 34 CAS 1344-37-2

Pigment Yellow 34, also known as CAS 1344-37-2, is a synthetic organic pigment that is extensively used in the production of paints, inks, plastics, and other industrial applications. It is characterized by its bright yellow color and excellent lightfastness, making it a preferred choice for various industries. This article will explore the various aspects of Pigment Yellow 34, including its chemical composition, manufacturing process, and applications.

Chemical Properties of Pigment Yellow 34 CAS 1344-37-2

Pigment Yellow 34 is a diazo dye, which is a type of organic compound that contains a diazo group (-N=N-) in its molecular structure. This compound is synthesized by the reaction between a diazo compound and a coupling agent. The resulting pigment has a molecular formula of C16H10N2Na2O6S2 and a molecular weight of 410.36 g/mol. It is known for its strong yellow color and high stability under various conditions.

Manufacturing Process of Pigment Yellow 34 CAS 1344-37-2

The manufacturing process of Pigment Yellow 34 involves several steps. Initially, a diazo compound is prepared by the reaction of aromatic amines with nitrous acid. This diazo compound is then coupled with a phenolic compound using a coupling agent, such as sodium nitrite. The resulting product is purified through filtration and washing to remove impurities. Finally, the pigment is dried and ground to the desired particle size.

Applications of Pigment Yellow 34 CAS 1344-37-2

Pigment Yellow 34 finds extensive use in various industries due to its vibrant yellow color and excellent properties. It is commonly used in the production of paints and inks, where it imparts a bright and durable yellow shade. Additionally, it is used in the manufacturing of plastics, such as polyethylene and polypropylene, to enhance the color and opacity of the final product. Pigment Yellow 34 is also used in the production of rubber, textiles, and ceramics.

Safety Considerations of Pigment Yellow 34 CAS 1344-37-2

While Pigment Yellow 34 is widely used, it is important to consider its safety aspects. The pigment is classified as a potential allergen and may cause skin irritation or respiratory problems in some individuals. Therefore, it is crucial to handle it with appropriate safety measures, such as wearing gloves and masks during handling. Additionally, proper ventilation is essential in areas where the pigment is used or processed.

Regulatory Aspects of Pigment Yellow 34 CAS 1344-37-2

Pigment Yellow 34 is subject to various regulations and standards, depending on the country and industry. In the European Union, it is regulated under the EU Cosmetics Regulation and the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) Regulation. These regulations ensure that the pigment is safe for use in cosmetics and other products. Similarly, in the United States, the Food and Drug Administration (FDA) regulates the use of Pigment Yellow 34 in food, drugs, and cosmetics.

Environmental Impact of Pigment Yellow 34 CAS 1344-37-2

The environmental impact of Pigment Yellow 34 is a significant concern. The manufacturing process of the pigment involves the use of hazardous chemicals, which can be harmful to the environment if not properly managed. Disposal of the pigment and its by-products requires careful consideration to minimize environmental contamination. Additionally, the pigment's long-term persistence in the environment and its potential to bioaccumulate in organisms are areas of ongoing research.

Conclusion

Pigment Yellow 34 CAS 1344-37-2 is a widely used colorant with numerous applications across various industries. Its vibrant yellow color, excellent lightfastness, and versatility make it a preferred choice. However, it is important to consider its chemical properties, manufacturing process, safety aspects, regulatory compliance, and environmental impact. By understanding these aspects, stakeholders can make informed decisions regarding the use of Pigment Yellow 34 in their respective industries.

Keywords: Pigment Yellow 34, CAS 1344-37-2, colorant, chemical properties, manufacturing process, applications, safety, regulatory aspects, environmental impact