Definition An organomercury compound used as a preservative in vaccines, including the flu vaccine since the 1930s to prevent bacterial and fungal contamination.
Thimerosal has been anecdotally linked to autism.
The correct (International Nonproprietary Name) is thiomersal. The common US spelling is thimerosal.
Synonyms Merthiolate, thiomersal (INN), thiomersalate