Difference between diethylamine and ethylenediamine

Diethylamine and ethylenediamine, as two common monoamines and diamines, are often confused because of their similar chemical names. This article will provide an in-depth analysis of the differences between diethylamine and ethylenediamine, including their structures, physical properties and applications, to help you clearly understand the uniqueness of these two compounds.

1. Diethylamine and Ethylenediamine

structural characteristics of diethylamine:

diethylamine (Ethylamine) is a monoamine compound with a molecular structure of an ethyl group (CH₂) linked to an amino group (NH₂). Its chemical formula is C? H? NH?, which has a low molecular weight and boiling point. The amino group of diethylamine is strongly basic and easily loses protons under acidic conditions, showing good reducibility.

structural characteristics of ethylenediamine:

ethylenediamine (Glycine), the chemical formula for NH₂ CH₂ CH₂ NH₂, is a diamine compound. Its structure is similar to glycine, contains an amino group (NH₂) and a carboxyl group (COOH), and is more stable under neutral conditions. The amino group of the two is weakly alkaline and is not easy to be inactivated under acidic conditions.

2. Diethylamine and Ethylenediamine in Physical Properties;

Boiling point difference:

diethylamine has a boiling point of 194°C and is a medium-high boiling point compound. It is volatile and is often used in solvents. The boiling point of ethylenediamine is 83°C, which is relatively low, and it is liquid at room temperature and is widely used.

Solubility analysis:

diethylamine has a low solubility in water, but performs well in organic solvents and is suitable for use as a solvent. The solubility of ethylenediamine is better than that of diethylamine, especially in organic solvents such as ethanol.

Density comparison:

with a density of 0.567g/cm³, diethylamine is relatively small and bulky. With a density of 1.040g/cm³, ethylenediamine has a higher density and a smaller volume.

3. Diethylamine and Ethylenediamine Applications

application of diethylamine:

because of its good reducibility and low toxicity, diethylamine is widely used in organic synthesis, biological reagents, biomedicine and other fields. Especially in bioremediation and drug delivery, diethylamine exhibits unique properties.

application of ethylenediamine:

ethylenediamine is widely used in textile, food processing, agricultural weeding and other fields because of its dibasic amine structure. In biotechnology, ethylenediamine is used as a melting promoter and a slow-release agent, showing significant practical value.

4. diethylamine and ethylenediamine difference summary

From the above analysis, it can be seen that there are significant differences between diethylamine and ethylenediamine in structure, properties and applications. As a monoamine, diethylamine has high reducibility and low toxicity, which is suitable for biomedical and organic synthesis. As a diamine, ethylenediamine has good biocompatibility and a wide range of applications, especially in textile, food and agriculture.

Understanding the difference between diethylamine and ethylenediamine will help to select the appropriate compound in practical applications to achieve the best experimental results and product performance.