Introduction

Diphenhydramine hydrochloride: Diphenhydramine hcl;Benzhydramine hydrochloride; 2-(Benzhydryloxy)-N,N-dimethylethylamine hydrochloride; N-(2-Diphenylmethoxyethyl)-N,N-dimethylamine hydrochloride

Molecular Structure:

Molecular Formula: C17H21NO.HCl

Molecular Weight: 291.82

CAS No.:147-24-0

EINECS: 205-687-2

Quality standard: USP/BP/EP/CP

Appearance: White crystalline powder

Diphenhydramine is a H1-histamine receptor antagonist. Diphenhydramine is categorized as an antihistaminic; sedative, hypnotic.

Diphenhydramine hydrochloride 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 and contains 0.1 mg/mL benzethonium chloride as a germicidal agent.

Function

Able to eliminate all kinds of allergy symptoms. Its central inhibition significantly, but not as good as promethazine hydrochloride; Still have a calming, anti-motion sickness, antiemetic, and anticholinergic effects, can relieve bronchial smooth muscle spasm. Used for a variety of allergic skin diseases, such as urticaria, insect bites disease; Also used for motion sickness, nausea, vomiting.

Specification