Diethylethanolamine

Structural formula of Diethylethanolamine

Diethylethanolamine (DEEA) is an organic compound with the chemical formula C₆H₁₅NO. It is a tertiary amine and an alcohol, characterized by the presence of both an amine group and a hydroxyl group in its structure. DEEA is a colorless liquid with a fishy odor, commonly used in various industrial applications.

Chemical Structure and Properties

Diethylethanolamine consists of a central nitrogen atom bonded to two ethyl groups and one ethanol group. The presence of the hydroxyl group makes it a versatile compound, capable of participating in hydrogen bonding. This property influences its solubility and reactivity.

Physical Properties

• Molecular Weight: 117.19 g/mol
• Density: 0.88 g/cm³
• Boiling Point: 161 °C
• Melting Point: -70 °C
• Solubility: Miscible with water and most organic solvents

Chemical Properties

Diethylethanolamine is a weak base due to the lone pair of electrons on the nitrogen atom. It can react with acids to form salts and can also participate in esterification reactions due to the presence of the hydroxyl group.

Applications

Diethylethanolamine is used in a variety of industrial applications due to its unique chemical properties.

Polyurethane Production

DEEA is commonly used as a catalyst in the production of polyurethane foams. It helps in the formation of the urethane linkages by catalyzing the reaction between isocyanates and polyols.

Corrosion Inhibitors

In the oil and gas industry, diethylethanolamine is used as a corrosion inhibitor. It helps protect metal surfaces from the corrosive effects of acidic environments.

Pharmaceuticals

In the pharmaceutical industry, DEEA is used as an intermediate in the synthesis of various drugs. Its ability to form salts with acids makes it useful in drug formulation.

Safety and Handling

Diethylethanolamine should be handled with care, as it can cause irritation to the skin, eyes, and respiratory system. Proper personal protective equipment (PPE) such as gloves and goggles should be worn when handling the compound.

Related Pages

• Tertiary amine
• Polyurethane
• Corrosion inhibitor