Mercury
Hg200.59 g/mol Calculated
Also called hydrargyrum and quicksilver.
The only metal that is liquid at room temperature, the silver column in old thermometers and barometers, now largely designed out of them because its vapour is toxic. Element 80.
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
- Hg
- Molecular weight
- 200.59 g/mol
Reported Hazard label (GHS), ECHA, EU CLP Regulation, Safe Work Australia via PubChem
Danger Corrosive pictogram (GHS05), Toxic pictogram (GHS06), Health hazard pictogram (GHS08) and Environmental pictogram (GHS09); hazard statements H290, H300, H330, H360, H372, H400, H410
Groups it belongs to
- Category
- Element & material
- Family
- Chemical elements
- Hazard classes
- Corrosive, Acutely toxic, Health hazard, Environmental hazard, GHS Danger
Questions
- What is Mercury?
- The only metal that is liquid at room temperature, the silver column in old thermometers and barometers, now largely designed out of them because its vapour is toxic. Element 80.
- How toxic is Mercury?
- Its GHS hazard label carries the signal word Danger and the hazard pictograms Corrosive, Toxic, Health hazard and Environmental. from source
- What kind of molecule is Mercury?
- Mercury has the formula Hg and a molecular weight of 200.59 g/mol. MoleculeFinder files it under chemical elements, in the element & material group. from sourcefrom sourcefrom sourcefrom source
- What else is Mercury called?
- Mercury is also called hydrargyrum and quicksilver. 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, 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