Rhenium (IV) iodide

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General
Surname Rhenium (IV) iodide
other names

Rhenium tetraiodide

Molecular formula ReI 4
Brief description

black powder

External identifiers / databases
CAS number 59301-47-2
PubChem 13159444
Wikidata Q4202669
properties
Molar mass 693.82 g mol −1
Physical state

firmly

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Rhenium (IV) iodide is an inorganic chemical compound of rhenium from the group of iodides .

Extraction and presentation

Rhenium (IV) iodide can be obtained by reacting a perrhenic acid solution (obtained by dissolving rhenium (VII) oxide in water) with hydroiodic acid.

properties

Rhenium (IV) iodide is a hygroscopic black powder. It is soluble in acetone and ether; hydrolysis occurs in water . In a vacuum it loses iodine at room temperature. Its structure consists of Re 2 I 9 units which are connected to the iodine atoms to form zigzag chains.

Individual evidence

  1. a b c d Georg Brauer (Ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1613.
  2. This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  3. ^ Arnold F. Holleman, Egon Wiberg, Nils Wiberg: Inorganic Chemistry . Academic Press, 2001, ISBN 0-12-352651-5 , pp. 1420 ( limited preview in Google Book search).