title: Thallium(I) carbonate
text: # Thallium(I) carbonate
  
  Thallium(I) carbonate is the inorganic compound with the formula $Tl_2CO_3.$ It is a white, water-soluble salt. It has no or very few commercial applications. It is produced by treatment of thallous hydroxide with $CO_2.$
  
  ## Safety
  
  Like other thallium compounds, it is extremely toxic, with an oral median lethal dose of 21 mg/kg in mice. Due to its toxicity, it is listed in the United States List of Extremely Hazardous Substances as of 2007.
  
  