Benadryl Online, Description, Chemistry, Ingredients - Diphenhydramine (injection)

Benadryl Online, Description, Chemistry, Ingredients - Diphenhydramine (injection)

DESCRIPTION

Benadryl (diphenhydramine hydrochloride) is an antihistamine drug having the chemical name 2-(Diphenylmethoxy)-N,N-dimethylethylamine hydrochloride. It occurs as a white, crystalline powder, is freely soluble in water and alcohol and has a molecular weight of 291.82. The molecular formula is C₁₇H₂₁NO • HCl.

Benadryl in the parenteral form is a sterile, pyrogen-free solution available in a concentration of 50 mg of diphenhydramine hydrochloride 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. The multidose Steri-Vials^® contain 0.1 mg/mL benzethonium chloride as a germicidal agent.