ɔːltˈɜːnətˌɪvli, tɹˈaɪəksˌɪdeɪn kæn biː pɹɪpˈɛɹd baɪ ɹᵻdˈʌkʃən ʌv ˈoʊzoʊn wɪð wˈʌn,tˈuːdˈɪfˌiːnaɪlhˌaɪdɹeɪzˌiːn æt lˈoʊ tˈɛmpɹɪtʃɚ.
Alternatively, trioxidane can be prepared by reduction of ozone with 1,2-diphenylhydrazine at low temperature.