: The molecule diffuses into nerve cells and binds to voltage-gated sodium channels .
Introduction
Chemically known as the ethyl ester of , benzocaine is typically synthesized through Fischer esterification . In a laboratory setting, this involves reacting 4-aminobenzoic acid with absolute ethanol in the presence of a strong acid catalyst, such as concentrated sulfuric acid. benzocaine
: Neutralization with a base like sodium bicarbonate causes benzocaine to precipitate, as the molecule becomes non-polar and insoluble in water. : The molecule diffuses into nerve cells and
: This blockade typically halts the sensation of pain first, followed sequentially by temperature, touch, and pressure. Clinical and Practical Applications followed sequentially by temperature