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  • pharma

Praseodymium

CAS 7440-10-0

Also registered as 2 other CAS numbers

24562-03-6 · 110123-50-7

Praseodymium chemical structure

Concern score

Not assessed — no hazard data yet.

Praseodymium in plain language

What it is

Also known as Praseodymium-141 · Pr · Elemental praseodymium · Element-Pr · Praseodym · Praseodyme

Show all 15 names

Praseodymium Metallicum · Praseodymium Standard · Praseodymium Standard: Pr @ 1000 microg/mL in 5% HNO3 · Praseodymium Standard: Pr @ 10000 microg/mL in 5% HNO3 · Praseodymium chips · Praseodymium ingot · UNII-NKN7EZA750 · praseodimio · praseodymium atom

What it does

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

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

Regulation

No restrictions found. Praseodymium 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 17 composition records across product categories including Furniture and furnishings, Cons. electronics, mech. appliances, and machinery, Batteries.
    • EPA CPDat observed this chemical in 17 composition records across product categories including Furniture and furnishings, Cons. electronics, mech. appliances, and machinery, Batteries.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 17 active drug products and 25 total products.
    • FDA NDC lists this ingredient in 17 active drug products and 25 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 Praseodymium 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 2020-02-05

    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 Praseodymium in a product composition. These are source records, not Greenveil catalog products.

Source records

25

See products using Praseodymium →

Catalog

Found in these products

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

See all 36 →Find products without it →