industrial
pharma

Thulium

CAS 7440-30-4

Also registered as 3 other CAS numbers

29687-68-1 · 69527-01-1 · 110424-80-1

Concern score

Not assessed — no hazard data yet.

Thulium in plain language

What it is: Also known as Thulium-169 · Elemental thulium · 69Tm · Atomic Thulium · Element Thulium · Element-Tm
Show all 18 names
Thalium · Thulium Standard: Tm @ 1000 microg/mL in 5% HNO3 · Thulium Standard: Tm @ 10000 microg/mL in 5% HNO3 · Thulium element · Thulium foil · Thulium pieces · Thulium powder · Tm · UNII-8RKC5ATI4P · thulium atom · thulium metal · tulio
What it does: We don't have a plain-language description for Thulium yet.
Is it a concern?: We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Thulium 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 1 composition records across product categories including Furniture and furnishings.
- EPA CPDat observed this chemical in 1 composition records across product categories including Furniture and furnishings.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 2 total products.
- FDA NDC lists this ingredient in 1 active drug products and 2 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 Thulium 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 2027-11-18
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 Thulium in a product composition. These are source records, not Greenveil catalog products.

Source records

See products using Thulium →

Catalog

Found in these products

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

See all 76 →Find products without it →