45 Rh 102.906

Rhodium

transition metal · Group 9 · Period 5

USGS 2025 3 section(s) thin

Atomic properties

Atomic number
45
Z
Atomic weight
102.906[1]
g/mol
Density
12.41 g/cm³
at STP
Melting point
1964 °C
at 1 atm
Boiling point
3695 °C
at 1 atm
Crystal structure
FCC
Electron config.
[Kr] 4d⁸ 5s¹
Oxidation states
+3
most common

Market data

No tradeable futures market for Rh on Yahoo / Stooq. Live market data is not available; pricing in this page is based on contract reference figures from the source documents.

Commercial forms & specifications

Product FormChemical FormulaMolecular WeightTypical PurityPrice Range (USD/g)Main Applications
Rhodium SpongeRh102.91 g/mol99.9-99.95%$450-550Catalysts, electronics
Rhodium PowderRh102.91 g/mol99.9-99.99%$480-580Catalyst preparation, coatings
Rhodium Bar/IngotRh102.91 g/mol99.95-99.99%$500-600Investment, alloys
Rhodium Shot/PelletsRh102.91 g/mol99.9-99.95%$470-570Evaporation sources, alloys
Rhodium WireRh102.91 g/mol99.9%$520-620Thermocouples, gauze
Rhodium(III) ChlorideRhCl₃·3H₂O263.34 g/mol39% Rh min$200-250Catalyst precursor
Rhodium(III) NitrateRh(NO₃)₃288.92 g/mol10-15% Rh$80-120Electroplating, catalysts
Rhodium Sulfate SolutionRh₂(SO₄)₃494.00 g/mol5-10% Rh$60-100Electroplating baths
Rhodium Black (fine powder)Rh102.91 g/mol99.0-99.5%$450-550Heterogeneous catalysis
Rhodium on AluminaRh/Al₂O₃Variable0.5-5% Rh$25-200Industrial catalysts
Rhodium on CarbonRh/CVariable1-10% Rh$50-400Hydrogenation catalysts
Rhodium AcetateRh₂(CH₃COO)₄441.99 g/mol46.5% Rh$250-350Homogeneous catalysis

Suppliers by country

🇿🇦 South Africa

CompanyProduct FormsSpecialties
Anglo American PlatinumSponge, powder, refined metalWorld's largest PGM producer, integrated mining & refining
Impala PlatinumRefined rhodium, sponge, saltsSecond largest PGM producer, recycling operations
Sibanye-StillwaterRefined metal, industrial productsMajor PGM producer, US operations

🇬🇧 United Kingdom

CompanyProduct FormsSpecialties
Johnson MattheyAll forms, salts, catalysts, compoundsPGM refining, catalyst manufacturing, recycling

🇩🇪 Germany

CompanyProduct FormsSpecialties
HeraeusPowder, compounds, catalysts, wireHigh-purity products, recycling, industrial catalysts
BASFCatalysts, supported rhodiumAutomotive catalysts, chemical process catalysts

🇷🇺 Russia

CompanyProduct FormsSpecialties
NornickelRefined rhodium, powder, spongeMajor PGM producer from nickel operations

🇯🇵 Japan

CompanyProduct FormsSpecialties
Tanaka KikinzokuAll forms, compounds, plating solutionsIndustrial products, electronics applications
Mitsui Mining & SmeltingRefined metal, catalystsRecycling, catalyst recovery

🇺🇸 United States

CompanyProduct FormsSpecialties
Engelhard (BASF)Catalysts, compoundsAutomotive catalysts, industrial applications
Sabin Metal CorporationRefined metal, compoundsRecycling, recovery services
Colonial MetalsRefined products, compoundsPGM refining and recycling

Market demand by product form

ApplicationDemand (tons)% of TotalKey MarketsGrowth Rate (CAGR)
Automotive Catalysts26.080%Global (China, USA, EU)4.2%
Chemical Industry2.68%Asia, North America3.5%
Glass Industry1.65%Asia (LCD production)2.8%
Electronics1.34%Asia, USA5.5%
Jewelry & Investment0.652%Asia, Middle East6.0%
Other Industrial0.351%Global3.0%

Moles per kilogram

Product FormFormulaMW (g/mol)Moles/kg
Rhodium MetalRh102.919.72
Rhodium(III) Chloride (hydrated)RhCl₃·3H₂O263.343.80
Rhodium(III) NitrateRh(NO₃)₃288.923.46
Rhodium(III) SulfateRh₂(SO₄)₃494.002.02
Rhodium AcetateRh₂(CH₃COO)₄441.992.26

References

No citations on this page yet. References will appear here once enrichment runs.

Explore on Amazon

Coverage notes

The following sections are thin or absent in the source document for this element. They will be filled by enrichment passes (NIST atomic, OSHA/NIOSH safety, USGS / IAI environmental).