SPL Set ID: c2981222-1671-4ecd-a5a2-286f0663f1ae
1 drug(s) with this SPL Set ID
Diphenhydramine hydrochloride, USP is an antihistamine drug having the chemical name 2- (Diphenylmethoxy)-N, N-dimethylethylamine hydrochloride. It occurs as a white, odourless, crystalline powder, is freely soluble in water and alcohol and has a molecular weight of 291.8. The molecular formula is C 17 H 21 NO • HCl. The structural formula is as follows: Diphenhydramine hydrochloride, USP in the parenteral form is a sterile, pyrogen-free solution available in a concentration of 50 mg of diphenhydramine hydrochloride, USP per mL. The solutions for parenteral use have been adjusted to a pH between 5.0 and 6.0 with either sodium hydroxide or hydrochloric acid and contains 0.1 mg/mL benzethonium chloride as a germicidal agent. diphenhydramine-str.jpg