A colourless, oily liquid with an unpleasant smell, used as an antidote for poisoning by mercury, arsenic, lead, and other heavy metals.
Alternative name: 2,3,-dimercapto-1-propanol; chemical formula: CH₂(SH)CH(SH)CH₂OH‘One type contained the anthrax vaccine and the other contained phials of a drug called dimercaprol, which acts as an antidote to heavy metal poisoning.’
- ‘Dimercaprol, or BAL, binds with lead and is excreted in bile and urine.’
- ‘Treatment may include the use of chelating agents such as dimercaprol, dimercaptosuccinic acid, and dimercaptopanesulfonic acid.’
1940s from elements of the systematic name (see above).