Tetraethylammonium

Chemical structure of Tetraethylammonium

Tetraethylammonium (TEA) is a quaternary ammonium compound with the chemical formula (C_H_)_N_. It is a well-known potassium channel blocker and is used extensively in neurophysiology and pharmacology to study the function of ion channels.

Chemical Properties

Tetraethylammonium is a quaternary ammonium cation, which means it has four ethyl groups attached to a central nitrogen atom. This structure gives it a positive charge, making it a cation. The compound is typically encountered as a salt, such as tetraethylammonium chloride or tetraethylammonium bromide.

Biological Role

Tetraethylammonium is primarily known for its role as a blocker of voltage-gated potassium channels. By inhibiting these channels, TEA affects the action potentials in neurons and muscle cells. This property makes it a valuable tool in the study of electrophysiology.

Applications in Research

In neuroscience, TEA is used to investigate the properties of potassium channels and their role in the generation and propagation of action potentials. It is also used in cardiac physiology to study the electrical activity of the heart.

Safety and Handling

As with many chemical compounds, proper safety precautions should be taken when handling tetraethylammonium. It should be used in a well-ventilated area, and appropriate personal protective equipment should be worn.

Related Pages

• Potassium channel
• Neurophysiology
• Electrophysiology
• Quaternary ammonium cation