Diphenhydramine Hydrochloride USP
CAS: 147-24-0
Diphenhydramine Hydrochloride USP is a white, odorless, crystalline powder. It slowly darkens on exposure to light.
Chemical Formula
C17H21NO•HCl
Hazardous Drug (NIOSH)
No
Temperature Requirement
Controlled Room Temp 15-25°C
Hygroscopic
No
Light-sensitive
Yes