Tetracaine Description

Tetracaine HCL is synthesized from 4-butylaminobenzoic acid. The ethyl ester is formed through an

acid-catalyzed esterification reaction. Base-catalyzed transesterification is achieved by boiling the

ethyl ester of 4-butylaminobenzoic acid with excess 2-dimethylaminoethanol in the presence of a small amount of sodium ethoxide.

Tetracaine, also known as Amethocalne, Dlcalne, Pontocaine, Decicaine, is a kind of Local Anesthetic. It is highly soluable in Non-polar solvent, and combines with Plasma protein by 85%.

Tetracaine takes effect very fast. It just needs 1-2 min. Usually, its half life is 5-10 min. And it can lasts for 20 ~ 40min.

It is widely used as pain-killer in Mucosal surface anesthesia, Conduction anesthesia, Epidural anesthesia, Spinal anesthesia, Ophthalmic topical anesthesia and so on.

Tetracaine is more efficient than Procaine. It is 10-15 times more effective than it.

3. Tetracaine Application

Tetracaine (INN, also known as amethocaine; trade name Pontocaine. Ametop and Dicaine) is a potent local anesthetic of the ester group. It is mainly used topically in ophthalmology and as an antipruritic, and it has been used in spinal anesthesia.

In biomedical research, tetracaine is used to alter the function of calcium release channels (ryanodine receptors) that control the release of calcium from intracellular stores. Tetracaine is an allosteric blocker of channel function. At low concentrations, tetracaine causes an initial inhibition of spontaneous calcium release events, while at high concentrations, tetracaine blocks release completely.

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