Strontium
Sr87.62 g/mol Calculated
Also called Sr.
The element that burns crimson in fireworks and flares. It follows calcium into bone, which is why its radioactive isotope was feared in fallout. Element 38.
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.
Sources and notes
- The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.
Properties and sources
Calculated by PubChem
- Molecular formula
- Sr
- Molecular weight
- 87.62 g/mol
Reported Hazard label (GHS), ECHA via PubChem
Danger Flammable pictogram (GHS02), Corrosive pictogram (GHS05), Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H260, H314, H315, H318
Groups it belongs to
- Category
- Element & material
- Family
- Chemical elements
- Hazard classes
- Flammable, Corrosive, Irritant, Health hazard, GHS Danger
- Size
- Under 100 g/mol
SMILES
[Sr]PubChem CID 5359327 · Wikidata Q938 · InChIKey CIOAGBVUUVVLOB-UHFFFAOYSA-N · Data refreshed
Questions
- What is Strontium?
- The element that burns crimson in fireworks and flares. It follows calcium into bone, which is why its radioactive isotope was feared in fallout. Element 38.
- How toxic is Strontium?
- Its GHS hazard label carries the signal word Danger and the hazard pictograms Flammable, Corrosive, Irritant and Health hazard. from source
- What kind of molecule is Strontium?
- Strontium has the formula Sr and a molecular weight of 87.62 g/mol. MoleculeFinder files it under chemical elements, in the element & material group. from sourcefrom sourcefrom sourcefrom source
- What else is Strontium called?
- Strontium is also called Sr. 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 via PubChemThe label combines these classifications.
- ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
- Data refreshedfrom sourceMoleculeFinder2026-11-09