Diphenhydramine hydrochloride
CAS:147-24-0
Synonyms: 2-(diphenylmethoxy)-n,n-dimethyl-ethanaminhydrochloride;2-(diphenylmethoxy)-n,n-dimethyl-ethylaminhydrochloride;Actifed;alpha-Hydroxydiphenylmethane-beta-dimethylaminoethyl ether hydrochloride;alpha-hydroxydiphenylmethane-beta-dimethylaminoethyletherhydrochloride;Ambenyl;BAX;Benacine
CAS: 147-24-0
MF: C17H22ClNO
MW: 291.82
EINECS: 205-687-2
Chemical Properties white crystalline powder
Usage H1-Histamine receptor antagonist. Antihistaminic; sedative, hypnotic
Usage Diphenhydramine is a H1-histamine receptor antagonist. Diphenhydramine is categorized as an antihistaminic; sedative, hypnotic.
General Description White or almost-white crystalline powder. Odorless with a bitter numbing taste. pH (5% aqueous solution) 4-6.
Air & Water Reactions Water soluble. Aqueous solutions are acidic.
Reactivity Profile N-(2-Diphenylmethoxyethyl)-N,N-dimethylamine hydrochloride gives acidic solutions in water. Neutralizes bases. May react with strong oxidizing and strong reducing agents. May catalyze organic reactions. Slowly darkens on exposure to light.
Fire Hazard Flash point data for N-(2-Diphenylmethoxyethyl)-N,N-dimethylamine hydrochloride are not available; however, N-(2-Diphenylmethoxyethyl)-N,N-dimethylamine hydrochloride is probably combustible.
Biological Activity H 1 receptor antagonist. Antihistamine.