Tetraiodobenzenes form a group of iodobenzenes with four iodine atoms as substituents (C6H2I4). By their different arrangement, three constitutional isomers are possible.

Tetraiodobenzenes
Name 1,2,3,4-Tetraiodobenzene 1,2,3,5-Tetraiodobenzene 1,2,4,5-Tetraiodobenzene
Structural formula Structural formula of 1,2,3,4-Tetraiodobenzene Structural formula of 1,2,3,5-Tetraiodobenzene Structural formula of 1,2,4,5-Tetraiodobenzene
CAS number 634-68-4 634-92-4 636-31-7
PubChem CID 12465 from PubChem CID 12470 from PubChem CID 12488 from PubChem
Sum formula C6H2I4
Molar mass 581,70 g·mol−1
Physical condition solid
Appearance white needles[1]
Melting point 136 °C[2] 148 °C[2] 249–252 °C[1]

See also

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References

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  1. ^ a b Mattern, Daniell Lewis (1983). "Periodination of benzene with periodate/Iodide". The Journal of Organic Chemistry. 48 (24): 4772–4773. doi:10.1021/jo00172a063.
  2. ^ a b Handbook of Data on Common Organic Compounds, S. 466 ([1], p. 466, at Google Books).