Unlock the Secrets of Dimethylolurea CAS 140-95-4： A Comprehensive Guide

Abstract

This article provides a comprehensive guide to Dimethylolurea CAS 140-95-4, a chemical compound with significant applications in various industries. The guide delves into the properties, synthesis, uses, safety considerations, and regulatory aspects of Dimethylolurea, offering readers a detailed understanding of this compound's role in modern chemistry.

Introduction to Dimethylolurea CAS 140-95-4

Dimethylolurea, also known as ethylene glycol urea, is a chemical compound with the CAS number 140-95-4. It is a colorless solid that is soluble in water and has a variety of applications in the manufacturing of adhesives, resins, and other industrial products. This guide aims to unlock the secrets of Dimethylolurea, providing a detailed overview of its characteristics and uses.

Properties of Dimethylolurea

Dimethylolurea is a polyfunctional compound that contains three hydroxyl groups and one urea group. These functional groups make it versatile for various chemical reactions. The compound has a melting point of approximately 180°C and a boiling point of around 300°C. It is also known for its high reactivity, which allows it to form strong bonds with other molecules.

One of the key properties of Dimethylolurea is its ability to cross-link, which is crucial in the production of high-performance adhesives and resins. The cross-linking process involves the formation of a three-dimensional network, enhancing the mechanical strength and durability of the final product.

Synthesis of Dimethylolurea

The synthesis of Dimethylolurea involves the reaction between urea and ethylene glycol. This process can be carried out through various methods, including the direct condensation of urea and ethylene glycol, or through the use of catalysts to facilitate the reaction. The choice of synthesis method can affect the purity and properties of the final product.

One common synthesis method involves the reaction of urea with ethylene glycol in the presence of a catalyst, such as sulfuric acid or phosphoric acid. This reaction typically requires heating and pressure to drive the formation of Dimethylolurea. The yield and purity of the compound can be optimized by controlling the reaction conditions.

Applications of Dimethylolurea

Dimethylolurea finds extensive use in the production of adhesives, resins, and other industrial products. Its ability to cross-link and form strong bonds makes it ideal for applications where high strength and durability are required. Some of the key applications include:

1. **Adhesives**: Dimethylolurea is used in the production of adhesives for wood, paper, and metal bonding. It provides excellent adhesion and resistance to heat and chemicals.
2. **Resins**: The compound is used in the synthesis of resins for coatings, sealants, and impregnation materials. These resins offer good chemical resistance and mechanical properties.
3. **Plastics**: Dimethylolurea is used as a cross-linking agent in the production of plastics, enhancing their strength and heat resistance.

Safety Considerations

While Dimethylolurea has numerous applications, it is important to consider its safety profile. The compound is considered hazardous and can cause irritation to the skin, eyes, and respiratory system. Proper handling and storage procedures are essential to minimize the risk of exposure.

Workers handling Dimethylolurea should wear appropriate personal protective equipment, such as gloves, goggles, and respiratory protection. It is also crucial to ensure good ventilation in areas where the compound is used or stored.

Regulatory Aspects

Dimethylolurea is subject to regulatory controls in many countries due to its potential hazards. These regulations dictate the safe use, handling, and disposal of the compound. Compliance with these regulations is essential for businesses that use or produce Dimethylolurea.

Regulatory bodies, such as the European Chemicals Agency (ECHA) and the United States Environmental Protection Agency (EPA), provide guidelines and regulations for the safe use of Dimethylolurea. Adhering to these guidelines is crucial for ensuring the safety of workers and the environment.

Conclusion

Unlocking the secrets of Dimethylolurea CAS 140-95-4: A Comprehensive Guide provides a detailed overview of this versatile chemical compound. From its properties and synthesis to its applications and safety considerations, this guide offers a comprehensive understanding of Dimethylolurea's role in modern chemistry. By exploring these aspects, readers can gain insights into the importance of Dimethylolurea in various industries and the necessary precautions to ensure its safe use.

Keywords: Dimethylolurea, CAS 140-95-4, properties, synthesis, applications, safety, regulatory aspects