Mersalyl (Mersal) is an organomercury compound and mercurial diuretic. It is only rarely used as a drug, having been superseded by diuretic medications that do not contain mercury and are therefore less toxic.
Mersalyl (Mersal), a substance with mercurial properties, is used as an organomercury compound and diuretic agent. However, its toxicity has led to its decreased usage in favor of safer options without mercury.