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  • industrial
  • pharma

Tungsten

CAS 7440-33-7

Also registered as 1 other CAS number

37374-90-6

Tungsten chemical structure

Concern score

Not assessed — no hazard data yet.

Tungsten in plain language

What it is

Also known as 74W · Ge-u 10-4795 · Tungsten ion · Tungsten Standard: W @ 1000 microg/mL in H2O · Tungsten element · Tungsten metal

Show all 22 names

Tungsten powder · Tungsten wire · Tungstene · Un 3189 · VA (tungsten) · Ventron 00620 · W · Wolfram · tungsten (insoluble compounds) · tungsten atom · tungsten(4+) · tungsten(4+) ion · tungsten(5+) · tungsten(6+) · volframio · wolframium

What it does

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

Recorded functional uses: Degradant/impurity · Electrochromic coating

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

Regulation

No restrictions found. Tungsten 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 936 composition records across product categories including Construction and building materials, Raw materials, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Degradant/impurity, electrochromic coating.
    • EPA CPDat observed this chemical in 936 composition records across product categories including Construction and building materials, Raw materials, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Degradant/impurity, electrochromic coating.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 Tungsten 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 march 3, 2017

    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 EPA CPDat has listed Tungsten in a product composition. These are source records, not Greenveil catalog products.

Source records

936

Named organisations

4

Construction and building materialsRaw materialsLaboratory suppliesIndustrial productsBatteriesFurniture and furnishings

Typical roles

Degradant/impurityElectrochromic coating
See products using Tungsten →