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Names | |
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IUPAC name
Arsenic diiodide
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Identifiers | |
3D model (JSmol)
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Properties | |
As2I4 | |
Molar mass | 657.461 g/mol |
Appearance | Red crystalline solid |
Melting point | 137 °C (279 °F; 410 K) |
Boiling point | 380 °C (716 °F; 653 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Diarsenic tetraiodide is an inorganic compound of arsenic and iodine. It is a dark red metastable solid. The compound is a closely related to the better characterized diphosphorus tetraiodide. Identified in the late 19th century with the (accurate) empirical formula AsI2,[1] the compound was assigned the formula (As2I4) several years later.[2]