Tungsten (V) chloride

Crystal structure
__ W 5+      __ Cl -
General
Surname	Tungsten (V) chloride
other names	Tungsten tachloride
Ratio formula	WCl 5
Brief description	black solid
External identifiers / databases
CAS number 13470-14-9 EC number 807-430-5 ECHA InfoCard 100.235.076 PubChem 139469 Wikidata Q2350838
properties
Molar mass	361.11 g mol −1
Physical state	firmly
density	3.88 g cm −3
Melting point	253 ° C
boiling point	286 ° C
solubility	reacts with water
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 .

Tungsten (V) chloride is an inorganic chemical compound of tungsten from the group of chlorides .

Extraction and presentation

Tungsten (V) chloride can be obtained by reacting tungsten (VI) chloride with hydrogen at 350–400 ° C or with tetrachloroethene at 100 ° C under light.

${\displaystyle \mathrm {2\ WCl_{6}+H_{2}\longrightarrow 2\ WCl_{5}+2\ HCl} }$

${\displaystyle \mathrm {2\ WCl_{6}+C_{2}Cl_{4}\longrightarrow 2\ WCl_{5}+C_{2}Cl_{6}} }$

properties

Tungsten (V) chloride is a black paramagnetic solid that is extremely hygroscopic . It decomposes instantly in water and is somewhat soluble in dry carbon disulfide . The dimeric compound has a crystal structure isotypic to that of molybdenum (V) chloride .

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. 1556.
2. ↑ ^{a b c d} W. M. Haynes (Ed.): CRC handbook of chemistry and physics. A ready-reference book of chemical and physical data . founded by David R. Lide. 93rd edition. CRC Press, Boca Raton 2012, ISBN 978-1-4398-8049-4 , pp. 4–97 (English, limited preview in Google Book Search).
3. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
4. ↑ Erwin Riedel, Christoph Janiak: Inorganic Chemistry . Walter de Gruyter, 2011, ISBN 3-11-022567-0 , p. 825 ( limited preview in Google Book search).