Cadmium sulfite
Cadmium sulfite is an inorganic compound with the formula. It is the cadmium salt of sulfurous acid. Several hydrates of cadmium sulfite are known, with the dihydrate being notable. Cadmium sulfite crystallizes from aqueous solutions.
As with most other cadmium compounds, it is toxic to the liver and reproductive system.
Cadmium sulfite has been used to prepare nanoparticles of cadmium oxide by the calcination of a cadmium sulfite emulsion.