moleculefinder

Tantalum

Ta180.9479 g/mol Calculated

Also called Trabecular Metal.

A metal so corrosion-proof that it goes into surgical implants, and so good at holding charge in a thin oxide film that it fills the capacitors of phones and laptops. Element 73.

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. Tantalum on our curated lists.

Household

Batteries and electronicsAdded by the maker
Sources and notes
  • Our curated lists and their amountsfrom sourceMoleculeFinder curatedEach amount is an editorial figure from our food and drink lists, not a measurement of any one product.
  • How it gets therefrom sourceMoleculeFinder curatedEach mark is set by hand on our lists, never inferred; a label's ingredient is added by the maker. A row with no mark data says Not marked.
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Properties and sources

Calculated by PubChem

Molecular formula
Ta
Molecular weight
180.9479 g/mol

Reported Hazard label (GHS), ECHA via PubChem

Danger Flammable pictogram (GHS02); hazard statements H228, H252

Groups it belongs to

Category
Element & material
Family
Chemical elements
Product lists
Batteries and electronics
Hazard classes
Flammable, GHS Danger
SMILES[Ta]

PubChem CID 23956 · Wikidata Q1123 · InChIKey GUVRBAGPIYLISA-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Tantalum?
A metal so corrosion-proof that it goes into surgical implants, and so good at holding charge in a thin oxide film that it fills the capacitors of phones and laptops. Element 73.
Where is Tantalum found?
Tantalum is in these product groups: batteries and electronics. from source
How toxic is Tantalum?
Its GHS hazard label carries the signal word Danger and the hazard pictogram Flammable. from source
What kind of molecule is Tantalum?
Tantalum has the formula Ta and a molecular weight of 180.948 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.
  • Hazard labelfrom sourceECHA via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09