Vanadium (III) sulfate

Structural formula
No drawing available
General
Surname	Vanadium (III) sulfate
other names	Vanadium trisulfate
Molecular formula	V 2 (SO 4 ) 3
Brief description	yellow solid
External identifiers / databases
CAS number 13701-70-7 EC number 237-226-6 ECHA InfoCard 100,033,827 PubChem 166888 Wikidata Q2614009
properties
Molar mass	390.07 g mol −1
Physical state	firmly
density	4.7 g cm −3
Melting point	400 ° C (decomposition)
solubility	soluble in water (83 g l −1 at 20 ° C) soluble in nitric acid
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 290-314-361-372-411 EUH: 071 P: ?
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Vanadium (III) sulfate is an inorganic chemical compound of vanadium from the group of sulfates .

Extraction and presentation

Vanadium (III) sulfate can be obtained by reacting vanadium (V) oxide with sulfur and sulfuric acid.

${\displaystyle \mathrm {V_{2}O_{5}+S+3\ H_{2}SO_{4}\longrightarrow V_{2}(SO_{4})_{3}+SO_{2}+3\ H_{2}O} }$

properties

Vanadium (III) sulfate is a yellow solid that is sparingly soluble in water. When heated in a vacuum above 410 ° C, the compound decomposes into vanadyl sulfate (VOSO ₄ ) and sulfur dioxide . A green hydrate forms in air over several weeks.

Individual evidence

1. ↑ ^{a b c d e f} Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . Taylor & Francis US, 2011, ISBN 1-4398-1461-9 , pp. 452 ( limited preview in Google Book search).
2. ↑ ^{a b} Entry on divanadium tris (sulfate) in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .
3. ^ Robert T. Claunch, Mark M. Jones "Vanadium (III) Sulfate" Inorganic Syntheses, 1963, Volume 7, pages 92-94. doi : 10.1002 / 9780470132388.ch28
4. ↑ Inorganic Syntheses, Inc .: Inorganic Syntheses . John Wiley & Sons, 2009, ISBN 0-470-13270-1 , pp. 93 ( limited preview in Google Book search).