Hyoscyamine is an alkaloid obtained from various solanaceous plants. It is the laevo-isomer of atropine into which it can be converted by heating or by the action of alkali.
Very soluble in water freely soluble in alcohol practically insoluble in ether. A 2% solution in water has a pH of 4.5 to 6.5. Store in airtight containers at a temperature not exceeding 30°.
The following terms have been used as ‘street names’ or slang names for various forms of hyoscine: Burundanga. Soluble in water freely soluble in alcohol. Freely soluble in water and in dichlorometh-ane sparingly soluble in dehydrated alcohol.