iron(II) sulfate

chemical compound
ChemicalSubstance type_of_chemical_entity Q214863
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iron(II) sulfate

Summary

iron(II) sulfate is a type of chemical entity[1]. It ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (1,372 views/month).[2]

Key Facts

  • iron(II) sulfate's instance of is recorded as type of chemical entity[3].
  • iron(II) sulfate's canonical SMILES is recorded as [O-]S(=O)(=O)[O-].[Fe+2][4].
  • iron(II) sulfate's chemical formula is recorded as FeO₄S[5].
  • iron(II) sulfate is a type of ferrous compounds[6].
  • iron(II) sulfate is a type of sulfate salt[7].
  • iron(II) sulfate's Commons category is recorded as Iron(II) sulfate[8].
  • iron(II) sulfate comprises iron[9].
  • iron(II) sulfate comprises oxygen[10].
  • iron(II) sulfate comprises sulfur[11].
  • iron(II) sulfate's Mohs' hardness is recorded as {'amount': '+2'}[12].
  • iron(II) sulfate's described by source is recorded as Encyclopædia Britannica 11th edition[13].
  • iron(II) sulfate's described by source is recorded as The American Cyclopædia[14].
  • iron(II) sulfate's described by source is recorded as The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge[15].
  • iron(II) sulfate's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[16].
  • iron(II) sulfate's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[17].
  • iron(II) sulfate's has effect is recorded as iron(II) sulfate exposure[18].
  • iron(II) sulfate's different from is recorded as iron sulfate[19].
  • iron(II) sulfate's different from is recorded as ferric sulfate[20].
  • iron(II) sulfate's NIOSH Pocket Guide ID is recorded as 0346[21].
  • iron(II) sulfate's MCN code is recorded as 2833.29.40[22].
  • iron(II) sulfate's density is recorded as {'unit': 'Q13147228', 'amount': '+1.898'}[23].
  • iron(II) sulfate's mass is recorded as {'unit': 'Q483261', 'amount': '+151.887'}[24].
  • iron(II) sulfate's decomposition point is recorded as {'unit': 'Q25267', 'amount': '+680'}[25].
  • iron(II) sulfate's time-weighted average exposure limit is recorded as {'unit': 'Q21077820', 'amount': '+1'}[26].
  • iron(II) sulfate's subject has role is recorded as essential medicine[27].

Why It Matters

iron(II) sulfate ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (1,372 views/month).[2] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[28] It is known by 63 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . PubChem. Retrieved . wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . PubChem. Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). iron(II) sulfate. Retrieved May 3, 2026, from https://4ort.xyz/entity/iron-ii-sulfate
MLA “iron(II) sulfate.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/iron-ii-sulfate.
BibTeX @misc{4ortxyz_iron-ii-sulfate_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{iron(II) sulfate}}, year = {2026}, url = {https://4ort.xyz/entity/iron-ii-sulfate}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): iron(II) sulfate — https://4ort.xyz/entity/iron-ii-sulfate (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 13d ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Different from iron sulfate, ferric sulfate
    Decomposition point {'unit': 'Q25267', 'amount': '+680'}
    Subclass of ferrous compounds, sulfate salt
    Subject has role essential medicine
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007529121805171, mv to monolingual text names on J9U statements"
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