cas no 111-55-7

Understanding CAS No. 111-55-7 A Comprehensive Overview

Chemical substances play a critical role in various industries, from pharmaceuticals to manufacturing. Among these substances, one lesser-known compound, with the Chemical Abstracts Service (CAS) registration number 111-55-7, is dibutyl phthalate (DBP). This article aims to explore the properties, applications, environmental impact, and safety considerations associated with dibutyl phthalate, offering a well-rounded perspective on this chemical compound.

Dibutyl phthalate (DBP) is an organic compound classified as a phthalate ester. Its molecular formula is C16H22O4, which indicates that it consists of two butyl groups attached to a phthalate moiety. The compound is primarily a colorless, odorless liquid with a slightly oily texture. It has a molecular weight of approximately 278.36 g/mol and a density of about 1.046 g/cm³. DBP has a relatively low bit of volatility, characterized by a moderate boiling point of around 340°C.

As a phthalate, dibutyl phthalate is primarily employed as a plasticizer, a substance added to materials to enhance their flexibility, durability, and workability. Due to its chemical properties, DBP can effectively lower the viscosity and improve the processing characteristics of various synthetic materials, particularly polyvinyl chloride (PVC).

Applications of Dibutyl Phthalate

Dibutyl phthalate finds its predominant use in the production of plastics and synthetic materials. Its role as a plasticizer is crucial in manufacturing a wide range of products, including

1. Vinyl Flooring DBP is commonly used in vinyl flooring to impart flexibility and resilience, making it a popular choice in both residential and commercial applications.

2. Medical Devices In the medical sector, DBP is utilized in the production of flexible tubing and medical bags, ensuring that these devices can withstand bending and stretching without breaking.

3. Cosmetics and Personal Care Products DBP is often found in cosmetic formulations, where it serves as a solvent and plasticizer in products like nail polishes, fragrances, and lotions.

4. Textiles In the textile industry, dibutyl phthalate is used to improve the drapability and durability of synthetic fabrics.

5. Adhesives and Sealants It is also present in various adhesives and sealants, where it enhances performance and longevity.

Environmental Impact and Safety Considerations

Despite its widespread use, dibutyl phthalate has raised environmental and health concerns. Studies have shown that DBP can leach into the environment, posing risks to aquatic ecosystems and potentially affecting human health. It has been classified as an endocrine disruptor, meaning it can interfere with hormonal systems in living organisms. This has led to increased regulatory scrutiny and restrictions on its use, particularly in consumer products.

Due to its potential health hazards, exposure to dibutyl phthalate is monitored closely. Individuals working in industries that utilize DBP are advised to adhere to safety protocols, minimizing contact and ensuring proper ventilation. Regulatory bodies, including the Environmental Protection Agency (EPA) and the European Chemicals Agency (ECHA), have placed controls on DBP, advocating for safer alternatives whenever possible.

Conclusion

Dibutyl phthalate (CAS No. 111-55-7) is a versatile chemical compound with significant applications in various industries. Its role as a plasticizer has made it an essential ingredient in many products ranging from medical devices to cosmetics. However, concerns surrounding its environmental impact and potential health risks cannot be overlooked. As the industry continues to adopt more stringent regulations, it is crucial for manufacturers to explore and implement safer alternatives. Understanding compounds like dibutyl phthalate allows us to balance the benefits of modern materials with the need for environmental sustainability and public health protection. Ultimately, ongoing research and innovation will be key in addressing these challenges, ensuring that industry practices evolve alongside our understanding of chemical safety.