N-Lauryl-1,3-Propylene Diamine (CAS 5538-95-4)： Everything You Need to Know About This Chemical

Abstract

This article provides an in-depth overview of N-Lauryl-1,3-Propylene Diamine (CAS 5538-95-4), a chemical compound widely used in various industrial applications. It covers its chemical properties, synthesis methods, applications, safety considerations, environmental impact, and regulatory status, offering a comprehensive understanding of this chemical.

Introduction to N-Lauryl-1,3-Propylene Diamine (CAS 5538-95-4)

N-Lauryl-1,3-Propylene Diamine, also known as N-lauroyl-1,3-propanediamine, is a chemical compound with the formula C10H21N2. It is a derivative of propylene diamine, where one of the amino groups is replaced by a lauryl group. This compound is commonly used in the production of polyurethane foams, emulsifiers, and as a corrosion inhibitor. Its chemical structure and properties make it a versatile ingredient in various industrial processes.

Chemical Properties

N-Lauryl-1,3-Propylene Diamine is a colorless to pale yellow oil with a characteristic odor. It is soluble in organic solvents such as acetone, alcohol, and ether but is only slightly soluble in water. The compound has a molecular weight of 178.31 g/mol and a melting point of approximately 20-22°C. It is also known for its high boiling point, which is around 300°C. These properties make it suitable for use in applications requiring heat resistance and stability.

Synthesis Methods

The synthesis of N-Lauryl-1,3-Propylene Diamine involves the reaction of propylene diamine with lauric acid. This reaction can be carried out through various methods, including the use of a catalyst such as potassium hydroxide or sodium hydroxide. The process typically involves the following steps:
1. The reaction of propylene diamine with lauric acid in the presence of a catalyst.
2. The formation of an intermediate amide.
3. The hydrolysis of the amide to yield N-Lauryl-1,3-Propylene Diamine.
4. Purification of the product through distillation or crystallization.

Applications

N-Lauryl-1,3-Propylene Diamine finds extensive use in several industries due to its unique properties. Some of the primary applications include:
1. Polyurethane Foam Production: It is used as a blowing agent in the production of flexible and rigid polyurethane foams.
2. Emulsifiers: The compound acts as an emulsifier in the formulation of water-in-oil emulsions, which are used in various industrial applications.
3. Corrosion Inhibitors: N-Lauryl-1,3-Propylene Diamine is used as a corrosion inhibitor in water treatment systems, preventing the corrosion of metal surfaces.

Safety Considerations

Handling N-Lauryl-1,3-Propylene Diamine requires appropriate safety measures due to its potential health hazards. The compound is harmful if inhaled, ingested, or absorbed through the skin. It can cause irritation to the respiratory system, eyes, and skin. Therefore, it is essential to use personal protective equipment (PPE) such as gloves, goggles, and respiratory masks when working with this chemical. Proper ventilation is also crucial to minimize exposure.

Environmental Impact

The environmental impact of N-Lauryl-1,3-Propylene Diamine is a subject of concern. The compound is considered moderately hazardous to aquatic life and may cause long-term adverse effects in the aquatic environment. It is also classified as a priority hazardous substance under the European Union's REACH regulation. Therefore, proper waste management and disposal practices are essential to minimize its environmental impact.

Regulatory Status

N-Lauryl-1,3-Propylene Diamine is subject to various regulations and standards, including those set by the Occupational Safety and Health Administration (OSHA) and the European Chemicals Agency (ECHA). These regulations aim to ensure the safe handling, use, and disposal of the compound. Compliance with these regulations is crucial for industries that use or produce this chemical.

Conclusion

In conclusion, N-Lauryl-1,3-Propylene Diamine (CAS 5538-95-4) is a versatile chemical compound with a wide range of applications in various industries. Its chemical properties, synthesis methods, and safety considerations are crucial factors to consider when working with this compound. Understanding its environmental impact and regulatory status is also essential for responsible use and disposal. This article provides a comprehensive overview of N-Lauryl-1,3-Propylene Diamine, offering valuable insights for professionals in the chemical industry.

Keywords: N-Lauryl-1,3-Propylene Diamine, CAS 5538-95-4, chemical properties, synthesis, applications, safety, environmental impact, regulatory status.