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  • pharma

Rhodium

CAS 7440-16-6

Also registered as 2 other CAS numbers

24546-24-5 · 100041-37-0

Rhodium chemical structure

Concern score

Not assessed — no hazard data yet.

Rhodium in plain language

What it is

Also known as Rhodium-103 · Rhodium black · 45Rh · Elemental rhodium · Rhodium(ii) ion · Rh

Show all 21 names

Rhodium (metal fume and insoluble compounds, as Rh) · Rhodium 5% on Carbon, 50%-70% Water · Rhodium fume · Rhodium on alumina · Rhodium on carbon · Rhodium powder · total Rhodium · Un 3089 · rhodium % wt: approx 1000 ppm · rhodium (metal fume/dust) · rhodium atom · rhodiumoncarbon · rodio · Rhodium metallicum · rhodium (as metal)

What it does

We don't have a plain-language description for Rhodium yet.

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Rhodium appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies.
    • EPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 9 active drug products and 17 total products.
    • FDA NDC lists this ingredient in 9 active drug products and 17 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Rhodium yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2019-02-27

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2029-06-13

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often FDA National Drug Code directory has listed Rhodium in a product composition. These are source records, not Greenveil catalog products.

Source records

17

See products using Rhodium →

Catalog

Found in these products

Their ingredient lists include Rhodium; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 34 →Find products without it →