beauty
industrial
pharma

Tellurium

CAS 13494-80-9 · 100/100 · High conf.

Also registered as 1 other CAS number

137322-20-4

Concern score

100/100Critical concern based on regulatory listings.

High confidence

Tellurium in plain language

What it is

Also known as Tellurium and its compounds · NCI-C60117 · Elemental tellurium · Metallic tellurium · 52Te · Aurum paradoxum

Show all 21 names

Metallum problematum · Te · Telloy · Tellur · Tellure · Tellurium Atom · Tellurium broken ingot · Tellurium element · Tellurium powder · l4-tellanetetraylium · tellurium (sara iii) · tellurium (sara 302) · tellurium (sara iii) - less than 1% of coating · tellurium metal · Tellurium metallicum

What it does

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

Recorded functional uses: Pre-plating finish

Is it a concern?

Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

Tellurium and its compounds is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

In marketed US drugs
EU Annex II — prohibited
EU prohibited in cosmetics

Recorded in these product areas

Found in consumer products
Industrial

EUEC
Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
banned
View source →

EUCosIngActiveCosmetics Regulation annex II / ref 312.
- Cosmetics Regulation annex II / ref 312.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 146 composition records across product categories including Construction and building materials, Batteries, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including pre-plating finish.
- EPA CPDat observed this chemical in 146 composition records across product categories including Construction and building materials, Batteries, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including pre-plating finish.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 30 active drug products and 32 total products.
- FDA NDC lists this ingredient in 30 active drug products and 32 total products.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Tellurium. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

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

8 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EU CosIng Cosmetics Regulation Annexes
regulatory · updated 2010-10-15
Open →
EPA Chemical and Products Database
exposure · updated april 26, 2017
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2029-05-03
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

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

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

Source records

146

Named organisations

Construction and building materialsBatteriesLaboratory suppliesSpecialty occupational productsElectronics/small appliancesRaw materials

Typical roles

Pre-plating finish

See products using Tellurium →

Catalog

Found in these products

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

See all 33 →Find products without it →