Hydrochloric Acid → Lidocaine

Participants

Reaction Steps

Sodium chondroitin sulfate (1 g) and lidocaine hydrochloride (2 g) were dissolved in distilled water for injection (80 ml). After being adjusted to pH 4 by addition of a sufficient quantity of hydrochloric acid, the solution was added with distilled water for injection up to the total volume of 100 ml to prepare the composition for local anesthesia of the present invention.

Provenance & Evidence