Diphenhydramine HCl

147-24-0

2-benzhydryloxy-N,N-dimethylethanamine;hydrochloride

0.9908

A solid

≥12.15 mg/mL in DMSO; ≥42 mg/mL in H2O; ≥45.6 mg/mL in EtOH

CN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2.Cl

C17H21NO·HCl

291.82

Blue ice

Store at -20°C.