Benzeneacetic acid, a-(hydroxymethyl)-,(1a,2b,4b,5a,7b)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl ester,hydrobromide, trihydrate, (aS)-
Scopolamine hydrobromide appears as colorless crystals or white powder or solid. Has no odor. pH (of 5% solution): 4-5.5. Slightly efflorescent in dry air. Bitter, acrid taste. (NTP, 1992)