Where is Cobalt found?

Cobalt is in these product groups: batteries and electronics.

The reported LD50 of Cobalt is 6,171 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 Flammable, Toxic, Irritant, Health hazard and Environmental.

What kind of molecule is Cobalt?

Cobalt has the formula Co and a molecular weight of 58.933 g/mol. MoleculeFinder files it under chemical elements, in the element & material group.

Cobalt

Co58.93319 g/mol Calculated

Also called Aquacat.

The metal that made deep blue glass and glaze for three thousand years, sits at the centre of vitamin B12, and is in the cathodes of many lithium-ion batteries. Element 27.

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. Cobalt 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: Co
Molecular weight: 58.93319 g/mol

Measured LD50, HSDB via PubChem

6,171 mg/kg pure cobalt, rat, oral

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

Reported Hazard label (GHS), ECHA, EU CLP Regulation, Safe Work Australia, HSDB via PubChem

Danger Flammable pictogram (GHS02), Toxic pictogram (GHS06), Irritant pictogram (GHS07), Health hazard pictogram (GHS08) and Environmental pictogram (GHS09); hazard statements H228, H302, H317, H319, H330, H334, H335, H341, H350, H373, H400, H410, H411, H413

Groups it belongs to

Category: Element & material
Family: Chemical elements
Product lists: Batteries and electronics
Elements: Cobalt
Hazard classes: Flammable, Acutely toxic, Irritant, Health hazard, Environmental hazard, GHS Danger
Size: Under 100 g/mol

SMILES[Co]

PubChem CID 104730 · Wikidata Q740 · InChIKey GUTLYIVDDKVIGB-UHFFFAOYSA-N · Data refreshed 2026-11-09

How MoleculeFinder sources and labels its data

Questions

What is Cobalt?: The metal that made deep blue glass and glaze for three thousand years, sits at the centre of vitamin B12, and is in the cathodes of many lithium-ion batteries. Element 27.
Where is Cobalt found?: Cobalt is in these product groups: batteries and electronics. from source
How toxic is Cobalt?: The reported LD50 of Cobalt is 6,171 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 Flammable, Toxic, Irritant, Health hazard and Environmental. from sourcefrom source
What kind of molecule is Cobalt?: Cobalt has the formula Co and a molecular weight of 58.933 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 PubChem
Hazard labelfrom sourceECHA, EU CLP Regulation, Safe Work Australia, HSDB via PubChemThe label combines these classifications.
ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
Safe Work Australiafrom sourceAttributionSource: Safe Work Australia, Hazardous Chemical Information System, © Commonwealth of Australia, CC BY 4.0.
Data refreshedfrom sourceMoleculeFinder2026-11-09