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398349

Sigma-Aldrich

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
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

form

liquid

Quality Level

concentration

~8% in H2O

density

1.217 g/mL at 25 °C (lit.)

SMILES string

[Rh+3].[Rh+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/3H2O4S.2Rh/c3*1-5(2,3)4;;/h3*(H2,1,2,3,4);;/q;;;2*+3/p-6

InChI key

YWFDDXXMOPZFFM-UHFFFAOYSA-H

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_germany

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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