Ferric sulfate

CAS Registry Number®

10028-22-5

CAS Name

Ferric sulfate

Molecular Formula

Fe.3/2H2O4S

Molecular Mass

405.93

Cite this Page

Ferric sulfate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=10028-22-5 (retrieved 2025-07-10) (CAS RN: 10028-22-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    480 °C (decomp)

  • Density (1)

    3.097 g/cm³ @ Temp: 18 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/Fe.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)

InChIKey

InChIKey=MVZXTUSAYBWAAM-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)O.[Fe]

Canonical SMILES

[Fe].O=S(=O)(O)O

Other Names for this Substance

  • Sulfuric acid, iron(3+) salt (3:2)
  • Iron sulfate (Fe2(SO4)3)
  • Ferric sulfate
  • Iron persulfate
  • Iron sesquisulfate

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Deleted or Replaced CAS Registry Numbers

497092-38-3, 1299332-62-9

CAS INSIGHTSTM
Aspergillus fungus, computer illustration. This is a toxic fungus that causes diseases in humans.