Usled njegovih peroksidu sličnih karakteristika, 1,2-dioksin je veoma nestabilan i ne može se izolovati. Čak su i supstituisani derivati su veoma nestabilni, e.g. 1,4-difenil-2,3-benzodioksin.[4] 3,6-bis(p-tolil)-1,2-dioksin je bio pogrešno proglašen prvim stabilnim derivatom 1990. godine.[5][6]
Izomeri 1,2-dioksina (levo) i 1,4-dioksina (desno)
^Evan E. Bolton; Yanli Wang; Paul A. Thiessen; Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry. 4: 217—241. doi:10.1016/S1574-1400(08)00012-1.
^Smith, Jimmie P.; Schrock, Alan K.; Schuster, Gary B. (1982). „Chemiluminescence of organic peroxides. Thermal generation of an o-xylylene peroxide”. Journal of the American Chemical Society. 104 (4): 1041—1047. doi:10.1021/ja00368a021.
^Shine, Henry J.; Zhao, Da Chuan (1990). „Electron transfer to excited doublet states. Photoirradiation of 10-methylphenothiazine cation radical perchlorate in solutions of phenylacetylene and p-tolylacetylene in acetonitrile”. The Journal of Organic Chemistry. 55 (13): 4086—4089. doi:10.1021/jo00300a026.
^Block, Eric; Shan, Zhixing; Glass, Richard S.; Fabian, Jürgen (2003). „Revised Structure of a Purported 1,2-Dioxin: A Combined Experimental and Theoretical Study”. The Journal of Organic Chemistry. 68 (10): 4108—4111. PMID12737603. doi:10.1021/jo034305i.