ɐtˈɛmpts tʊ ˈɑːksɪdˌaɪz tˌiːˈɛl aɪ tə θˈæliəm ɹˌoʊmən θɹˈiː ˈaɪədˌaɪd fˈeɪl, sˈɪns ˌɑːksɪdˈeɪʃən pɹədˈuːsᵻz θˈæliəm aɪ tɹˈaɪɪˌɑːdaɪd, .
Attempts to oxidise TlI to thallium(III) iodide fail, since oxidation produces thallium(I) triiodide, .