Calcium
Ca40.08 g/mol Calculated
Also called Coagulation Factor IV, Ena Actimineral A, Factor IV and OnlyCal.
The metal whose ion builds every bone, shell and tooth, sets cement, and triggers every muscle contraction in your body. Element 20. Found in milk, cheese, and leafy greens.
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. Calcium on our curated lists.
Drinks
MilkNaturally present
Foods
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.
- Valio ValSa milk salt: no markfrom sourceMoleculeFinder curatedThe milk salt's composition is not confirmed, so it carries no mark.
- The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.
Properties and sources
Calculated by PubChem
- Molecular formula
- Ca
- Molecular weight
- 40.08 g/mol
Reported Hazard label (GHS), ECHA, EU CLP Regulation, Safe Work Australia via PubChem
Danger Flammable pictogram (GHS02); hazard statements H261
Groups it belongs to
- Category
- Element & material
- Family
- Chemical elements
- Food and drink lists
- Milk, Cheese, Leafy greens
- Elements
- Calcium
- Hazard classes
- Flammable, GHS Danger
- Size
- Under 100 g/mol
SMILES
[Ca]PubChem CID 5460341 · Wikidata Q706 · InChIKey OYPRJOBELJOOCE-UHFFFAOYSA-N · Data refreshed
Questions
- What is Calcium?
- The metal whose ion builds every bone, shell and tooth, sets cement, and triggers every muscle contraction in your body. Element 20. Found in milk, cheese, and leafy greens.
- Where is Calcium found?
- Calcium is found in milk, cheese and leafy greens. from source
- How toxic is Calcium?
- Its GHS hazard label carries the signal word Danger and the hazard pictogram Flammable. from source
- What kind of molecule is Calcium?
- Calcium has the formula Ca and a molecular weight of 40.08 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, EU CLP Regulation, Safe Work Australia via PubChemThe label combines these classifications.
- ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
- EU CLP Regulationfrom sourceAttributionSource: EUR-Lex, Regulation (EC) No 1272/2008, © European Union.
- Safe Work Australiafrom sourceAttributionSource: Safe Work Australia, Hazardous Chemical Information System, © Commonwealth of Australia, CC BY 4.0.
- Data refreshedfrom sourceMoleculeFinder2026-11-09