The chemical industry is built upon a foundation of versatile intermediates that enable the synthesis of a vast array of complex molecules. Among these, 1,3-Diethylurea (CAS 623-76-7) stands out for its broad applicability and consistent performance across multiple sectors. This article provides an in-depth examination of its chemical properties, safety profile, and significant industrial uses, positioning it as a key compound for modern manufacturing and innovation.

Chemically, 1,3-Diethylurea is characterized by its molecular formula C5H12N2O and a molecular weight of 116.16 g/mol. It typically presents as a white powder, with a melting point often cited around 112-113 °C. Its solubility in water and other properties, such as its boiling point of approximately 217.23 °C and a flash point of 121.1 °C, are crucial for understanding its behavior in various chemical processes. The purity level, often specified at 97% or higher, is a critical factor for its successful application in demanding industries.

The industrial significance of 1,3-Diethylurea is multifaceted. It is widely recognized as an important intermediate in the production of dyes, pharmaceuticals, and pesticides. In dye synthesis, it contributes to the creation of stable and vibrant colorants. For pharmaceuticals, it serves as a crucial building block in the manufacturing of active ingredients, enabling the development of essential medicines. Its role in pesticide production aids in the creation of effective crop protection agents, supporting agricultural output.

Beyond these core applications, 1,3-Diethylurea is also utilized in the development of advanced materials, particularly in TFT liquid crystal materials, contributing to innovations in display technology. Furthermore, its properties lend themselves to use as a chemical fertilizer, enhancing plant growth and agricultural productivity. This diverse range of applications underscores the compound's versatility and its integral role in various industrial supply chains.

Safety information and risk codes associated with 1,3-Diethylurea are important considerations for handling and processing. Risk codes such as R11 (Highly Flammable) and R23/24/25 (Toxic by inhalation, in contact with skin and if swallowed) highlight the need for careful handling and adherence to safety protocols. Precautionary statements also guide users on safe practices. For businesses in need of this chemical intermediate, sourcing from reputable manufacturers who provide comprehensive safety data sheets (SDS) and technical information is essential for ensuring safe and efficient operations.