moleculefinder

Manganese

Mn54.93804 g/mol Calculated

Also called Mn.

A trace nutrient and the element that makes steel hard enough to be useful. Its dioxide is the black paste inside a dry-cell battery. Element 25. Found in tea.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Other namesfrom sourceWikidataIts English label and aliases on 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. Manganese on our curated lists.

Drinks

TeaNaturally present

Household

Batteries and electronicsAdded by the maker

Every product and list we hold

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
Mn
Molecular weight
54.93804 g/mol

Reported Hazard label (GHS), ECHA, Safe Work Australia via PubChem

Danger Flammable pictogram (GHS02), Irritant pictogram (GHS07), Health hazard pictogram (GHS08) and Environmental pictogram (GHS09); hazard statements H228, H319, H372, H411, H412

Groups it belongs to

Category
Element & material
Family
Chemical elements
Food and drink lists
Tea
Product lists
Batteries and electronics
Hazard classes
Flammable, Irritant, Health hazard, Environmental hazard, GHS Danger
Size
Under 100 g/mol
SMILES[Mn]

PubChem CID 23930 · Wikidata Q731 · InChIKey PWHULOQIROXLJO-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Manganese?
A trace nutrient and the element that makes steel hard enough to be useful. Its dioxide is the black paste inside a dry-cell battery. Element 25. Found in tea.
Where is Manganese found?
Manganese is found in tea. It is also in these product groups: batteries and electronics. from sourcefrom source
How toxic is Manganese?
Its GHS hazard label carries the signal word Danger and the hazard pictograms Flammable, Irritant, Health hazard and Environmental. from source
What kind of molecule is Manganese?
Manganese has the formula Mn and a molecular weight of 54.938 g/mol. MoleculeFinder files it under chemical elements, in the element & material group. from sourcefrom sourcefrom sourcefrom source
What else is Manganese called?
Manganese is also called Mn. from source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • Hazard labelfrom sourceECHA, Safe Work Australia 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