398349
Rhodium(III) sulfate solution
~8% in H2O
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About This Item
Linear Formula:
Rh2(SO4)3
CAS Number:
Molecular Weight:
494.00
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
Form:
liquid
InChI
1S/3H2O4S.2Rh/c3*1-5(2,3)4;;/h3*(H2,1,2,3,4);;/q;;;2*+3/p-6
SMILES string
[Rh+3].[Rh+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
InChI key
YWFDDXXMOPZFFM-UHFFFAOYSA-H
form
liquid
reaction suitability
core: rhodium
concentration
~8% in H2O
density
1.217 g/mL at 25 °C (lit.)
application(s)
PEM fuel cells
homogeneous catalyst
material synthesis precursor
Quality Level
Related Categories
General description
Rhodium(III) sulfate is an anhydrous metal sulfate that is formed by oxidizing rhodium with concentrated sulphuric acid. It is a red crystal that forms a hydrated solution at high temperatures. It is majorly used in the production of high performance coatings by electroplating technique.
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Oxidizing Rhodium with Sulfuric Acid: The Sulfates Rh2(SO4)3 and Rh2(SO4)3
Schwarzer S, et al.
European Journal of Inorganic Chemistry, 2017(3), 752-758 (2017)
State of rhodium (III) in sulfuric acid solutions
Belyaev AV, et al.
Russian Journal of Coordination Chemistry, 33(2), 136-139 (2007)
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