lˈaɪk ˈʌðɚ θˈæliəm kˈɑːmpaʊndz, ɪɾ ɪz ɛkstɹˈiːmli tˈɑːksɪk, wɪð ɐn ˈoːɹəl mˈiːdiːən lˈiːθəl dˈoʊs ʌv twˈɛnti wˈʌn ˌɛmdʒˈiː slˈæʃ kˌeɪdʒˈiː ɪn mˈaɪs.
Like other thallium compounds, it is extremely toxic, with an oral median lethal dose of 21 mg/kg in mice.