How toxic is Tellurium?

The reported LD50 of Tellurium is 83 mg/kg (rat, oral). An LD50 is an animal study measurement, not a dose for a person. Its GHS hazard label carries the signal word Danger and the hazard pictograms Toxic, Irritant and Health hazard.

What kind of molecule is Tellurium?

Tellurium has the formula Te and a molecular weight of 127.6 g/mol. MoleculeFinder files it under chemical elements, in the element & material group.

Tellurium

Te127.6 g/mol Calculated

Also called Aurum paradoxum, Metallum problematum and Telloy.

A metalloid rarer in the crust than platinum, used in solar panels and in alloys to make steel easier to machine. Element 52.

Sources and notes

The introductionfrom sourceMoleculeFinder curated
Other namesfrom sourcePubChem / Wikidata
Formula and weightcomputedPubChem
2D drawingcomputedPubChem structure, drawn by RDKit

Where you encounter it

A pure element or an engineered material, rather than an ingredient in a product.

Sources and notes

The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Properties and sources

Calculated by PubChem

Molecular formula: Te
Molecular weight: 127.6 g/mol

Measured LD50, HSDB via PubChem

83 mg/kg pure tellurium, rat, oral

An LD50 is an animal study measurement, not a dose for a person.

Reported Hazard label (GHS), ECHA, EU CLP Regulation via PubChem

Danger Toxic pictogram (GHS06), Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H301, H317, H319, H332, H335, H360, H362, H413

Groups it belongs to

Category: Element & material
Family: Chemical elements
Hazard classes: Acutely toxic, Irritant, Health hazard, GHS Danger

SMILES[Te]

PubChem CID 6327182 · Wikidata Q1100 · InChIKey PORWMNRCUJJQNO-UHFFFAOYSA-N · Data refreshed 2026-11-09

How MoleculeFinder sources and labels its data

Questions

What is Tellurium?: A metalloid rarer in the crust than platinum, used in solar panels and in alloys to make steel easier to machine. Element 52.
How toxic is Tellurium?: The reported LD50 of Tellurium is 83 mg/kg (rat, oral). An LD50 is an animal study measurement, not a dose for a person. Its GHS hazard label carries the signal word Danger and the hazard pictograms Toxic, Irritant and Health hazard. from sourcefrom source
What kind of molecule is Tellurium?: Tellurium has the formula Te and a molecular weight of 127.6 g/mol. MoleculeFinder files it under chemical elements, in the element & material group. from sourcefrom sourcefrom sourcefrom source

Sources and notes

Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
LD50from sourceHSDB via PubChemOther values the sources report: guinea pig, oral, 45 mg/kg; rabbit, oral, 67 mg/kg. The page shows the one LD50 the site uses everywhere.
Hazard labelfrom sourceECHA, EU CLP Regulation via PubChemThe label combines these classifications.
ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
Data refreshedfrom sourceMoleculeFinder2026-11-09