Copper(II) sulfate
CuO4S159.61 g/mol Calculated
Also called cupric sulfate, copper sulfate, cupric sulfate anhydrous and copper monosulphate.
The vivid blue crystals of a school chemistry lesson, used as a pool algaecide, a root killer in drains and a fungicide in vineyards.
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
Properties and sources
Calculated by PubChem
- Molecular formula
- CuO4S
- Molecular weight
- 159.61 g/mol
- Polar surface areatopological
- 88.6 Ų
- H-bond donors
- 0
- H-bond acceptors
- 4
- Rotatable bonds
- 0
- Complexity
- 62
Measured LD50, HSDB via PubChem
300 mg/kg pure Copper(II) sulfate, rat, oral
An LD50 is an animal study measurement, not a dose for a person.
Reported Hazard label (GHS), ECHA, EU CLP Regulation, Safe Work Australia via PubChem
Danger Corrosive pictogram (GHS05), Irritant pictogram (GHS07) and Environmental pictogram (GHS09); hazard statements H302, H315, H318, H319, H400, H410
Groups it belongs to
- Category
- Everyday chemistry
- Family
- Inorganic compounds
- Elements
- Sulfur
- Hazard classes
- Corrosive, Irritant, Environmental hazard, GHS Danger
SMILES
[O-]S(=O)(=O)[O-].[Cu+2]PubChem CID 24462 · Wikidata Q107184 · InChIKey ARUVKPQLZAKDPS-UHFFFAOYSA-L · Data refreshed
Questions
- What is Copper(II) sulfate?
- The vivid blue crystals of a school chemistry lesson, used as a pool algaecide, a root killer in drains and a fungicide in vineyards.
- How toxic is Copper(II) sulfate?
- The reported LD50 of Copper(II) sulfate is 300 mg/kg (rat, oral). An LD50 is an animal study measurement, not a dose for a person. Its GHS hazard label carries the signal word Danger and the hazard pictograms Corrosive, Irritant and Environmental. from sourcefrom source
- What kind of molecule is Copper(II) sulfate?
- Copper(II) sulfate has the formula CuO4S and a molecular weight of 159.61 g/mol. MoleculeFinder files it under inorganic compounds, in the everyday chemistry group. from sourcefrom sourcefrom sourcefrom source
- What else is Copper(II) sulfate called?
- Copper(II) sulfate is also called cupric sulfate, copper sulfate, cupric sulfate anhydrous and copper monosulphate. from source
Sources and notes
- Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
- LD50from sourceHSDB via PubChemOther values the sources report: rabbit, oral, 125 mg/kg. The page shows the one LD50 the site uses everywhere.
- 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
Keep exploring
A close match in shapeMagnesium sulfateMgO4SA close match in shapeIron(II) sulfateFeO4SA close match in shapeZinc sulfateO4SZnA close match in shapeSodium metabisulfiteNa2O5S2
Sources and notes
- Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
- The drawingscomputedPubChem structures, drawn by RDKit