As nouns the difference between thimerosal and thiomersal
is that thimerosal is while thiomersal is a compound, chemical formula c9h9hgnao2s, used as an antiseptic and antifungal agent, especially in vaccines.
As nouns the difference between thimerosal and mercury
is that thimerosal is a compound, chemical formula c9h9hgnao2s, used as an antiseptic and antifungal agent, especially in vaccines while mercury is a metal.