Ethylenediamine

Ethylenediamine (en when used as a ligand) is an organic compound with the formula C2H4(NH2)2. This colorless liquid with an ammonia-like odor is a widely used building block in chemical synthesis, with approximately 200,000 tonnes produced in 1998.

Structure and properties

Ethylenediamine is a type of diamine, consisting of an ethylene group (-CH2CH2-) with two amino groups (-NH2) attached. It is a colorless liquid with a strong ammonia-like odor. It is miscible with water and most organic solvents.

Production

Ethylenediamine is produced on a large scale in the industry. It is synthesized via the reaction of ethylene dichloride (1,2-dichloroethane) with ammonia under pressure, producing a mixture of ethylenediamine, diethylenetriamine, triethylenetetramine, and cyclic derivatives.

Uses

Ethylenediamine is widely used in a variety of industrial applications. It is used as a precursor to pesticides, such as imidazolidinyl urea. It is also used in the production of corrosion inhibitors, lubricants, and fuel additives. In the pharmaceutical industry, it is used as a precursor to many drugs, including antihistamines and antimalarial drugs.

Safety

Ethylenediamine is a strong skin, eye, and respiratory irritant. It is also a sensitizer, which means it can cause allergic reactions. It is classified as a hazardous substance in many countries, and its use and disposal are regulated.

See also

• 1,2-Diaminoethane
• Polyethylene amine

References

Ethylenediamine Resources
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