Benzathine is a
diamine
A diamine is an amine with exactly two amino groups. Diamines are used as monomers to prepare polyamides, polyimides, and polyureas. The term ''diamine'' refers mostly to primary diamines, as those are the most reactive.
In terms of quantities p ...
used as a component in some medications including
benzathine phenoxymethylpenicillin and
benzathine benzylpenicillin
Benzathine benzylpenicillin, also known as benzathine penicillin G, is an antibiotic medication useful for the treatment of a number of bacterial infections. Specifically it is used to treat strep throat, diphtheria, syphilis, and yaws. It is a ...
. It stabilises penicillin and prolongs its sojourn when injected into tissues.
Diamines
{{Amine-stub