Diarsentetraiodide

Structural formula
General
Surname	Diarsentetraiodide
other names	Arsenic diiodide; Arsenic (II) iodide;
Molecular formula	As 2 I 4
Brief description	red solid
External identifiers / databases
Wikidata	Q4456626
properties
Molar mass	657.46 g mol −1
Physical state	firmly
Melting point	137 ° C
boiling point	400 ° C (decomposition)
solubility	soluble in organic solvents Decomposes in water;
safety instructions
H and P phrases	H: 331-301-410
	P: ?
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Diarsentetraiodide is an inorganic chemical compound of arsenic from the group of iodides .

Extraction and presentation

Diarsentetraiodide can be obtained from the elements by reaction at 240-260 ° C under pressure.

properties

Diarsentetraiodide is a solid in the form of red prisms. It is extremely decomposable in the air and decomposes to arsenic and arsenic triiodide in water .

{\ displaystyle \ mathrm {As_ {2} I_ {4} \ longrightarrow As + AsI_ {3}}}

literature

M. Baudler, H.-J. Stassen: Contributions to the chemistry of arsenic. I. Preparation and properties of diarsene tetraiodide. In: Journal of Inorganic and General Chemistry. 343, 1966, p. 244, doi : 10.1002 / zaac.19663430504
M. Baudler, H.-J. Stassen: Contributions to the chemistry of arsenic. II. Knowledge of the reactive behavior of diarsene tetraiodide. In: Journal of Inorganic and General Chemistry. 345, 1966, p. 182, doi : 10.1002 / zaac.19663450308

Individual evidence

↑ ^a ^b ^c ^d R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 306 ( limited preview in Google Book search).
↑ ^a ^b ^c Entry on diarsentetraiodide in the GESTIS substance database of the IFA , accessed on October 11, 2017(JavaScript required) .
^ Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . CRC Press, 2016, ISBN 978-1-4398-1462-8 , pp. 492 ( limited preview in Google Book search).
↑ Not explicitly listed in Regulation (EC) No. 1272/2008 (CLP) , but with the specified labeling it falls under the group entry arsenic compounds in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on October 11, 2017. Distributors can expand the harmonized classification and labeling .
↑ Basics and main group elements Volume 1: Basics and main group elements . Walter de Gruyter GmbH & Co KG, 2016, ISBN 978-3-11-049585-0 , p. 960 ( limited preview in Google Book search).
^ John Theodore Hewitt, Thomas Field Winmill: LXXXIX. — Arsenic di-iodide. In: J. Chem. Soc., Trans. 91, 1907, p. 962, doi : 10.1039 / CT9079100962 .

[R._Blachnik-1] R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 306 ( limited preview in Google Book search).

[GESTIS-2] Entry on diarsentetraiodide in the GESTIS substance database of the IFA , accessed on October 11, 2017(JavaScript required) .

[Dale_L._Perry-3] Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . CRC Press, 2016, ISBN 978-1-4398-1462-8 , pp. 492 ( limited preview in Google Book search).

[CLP_100.240.769-4] Not explicitly listed in Regulation (EC) No. 1272/2008 (CLP) , but with the specified labeling it falls under the group entry arsenic compounds in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on October 11, 2017. Distributors can expand the harmonized classification and labeling .

[5] Basics and main group elements Volume 1: Basics and main group elements . Walter de Gruyter GmbH & Co KG, 2016, ISBN 978-3-11-049585-0 , p. 960 ( limited preview in Google Book search).

[DOI10.1039/CT9079100962-6] John Theodore Hewitt, Thomas Field Winmill: LXXXIX. — Arsenic di-iodide. In: J. Chem. Soc., Trans. 91, 1907, p. 962, doi : 10.1039 / CT9079100962 .