Iron
Fe55.84 g/mol Calculated
Also called Ancor B, Ferrovac E, Hoeganaes EH and Remko.
The metal civilisation is named after, the core of the planet, and the atom at the centre of haemoglobin that carries oxygen in your blood. Element 26. Found in chocolate, cocoa, red meat, leafy greens, bread, and breakfast cereal.
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. Iron on our curated lists.
Foods
BreadAdded by the maker
Breakfast cerealAdded by the maker
ChocolateNaturally present
CocoaNaturally present
Leafy greensNaturally present
Red meatNaturally present
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.
- Ingredient listsfrom sourceWikidata
- 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
- Fe
- Molecular weight
- 55.84 g/mol
Reported Hazard label (GHS), ECHA via PubChem
Danger Flammable pictogram (GHS02) and Irritant pictogram (GHS07); hazard statements H228, H251, H319, H335
Groups it belongs to
- Category
- Element & material
- Family
- Chemical elements
- Food and drink lists
- Chocolate, Cocoa, Red meat, Leafy greens, Bread, Breakfast cereal
- Elements
- Iron
- Hazard classes
- Flammable, Irritant, GHS Danger
- Size
- Under 100 g/mol
Questions
- What is Iron?
- The metal civilisation is named after, the core of the planet, and the atom at the centre of haemoglobin that carries oxygen in your blood. Element 26. Found in chocolate, cocoa, red meat, leafy greens, bread, and breakfast cereal.
- Where is Iron found?
- Iron is found in chocolate, cocoa, red meat, leafy greens, bread and breakfast cereal. from source
- How toxic is Iron?
- Its GHS hazard label carries the signal word Danger and the hazard pictograms Flammable and Irritant. from source
- What kind of molecule is Iron?
- Iron has the formula Fe and a molecular weight of 55.84 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