Rhodium(III) hydroxide

Rhodium(III) hydroxide is a chemical compound with the formula Rh(OH)₃.

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Rhodium(III) hydroxide

Identifiers
CAS Number	21656-02-0 N
3D model (JSmol)	Interactive image
ChemSpider	62910110
ECHA InfoCard	100.040.447
EC Number	244-508-2
PubChem CID	88993
CompTox Dashboard (EPA)	DTXSID80944256
InChI InChI=1S/3H2O.Rh/h3*1H2;/q;;;+3/p-3 Key: KTEDZFORYFITAF-UHFFFAOYSA-K
SMILES [OH-].[OH-].[OH-].[Rh+3]
Properties
Chemical formula	H3O3Rh
Molar mass	153.926 g·mol−1
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H315, H319, H332, H335, H413
Precautionary statements	P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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Various compounds of rhodium(III) with hydroxide ligands are known.^[1]

Some double hydroxides called rhodium(III) hydrogarnets are known to exist. They include BaNaRh(OH)₆, Ca₃Rh₂(OH)₁₂, Sr₃Rh₂(OH)₁₂.^[2] and Ba₃[Rh(OH)₆]₂ ⋅ H₂O.^[3]

Ga[Rh(OH)₆(Mo₆O₁₈)](H₂O)₁₆ is a complex molybdate hydroxide.^[4]