ferrous hydroxide

chemical compound
ChemicalSubstance type_of_chemical_entity Q804525
ferrous hydroxide
Ondřej Mangl · Public Domain · Wikimedia
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ferrous hydroxide

Summary

ferrous hydroxide is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (139 views/month).[2]

Key Facts

  • ferrous hydroxide's image is recorded as Hydroxid železnatý.PNG[3].
  • ferrous hydroxide's instance of is recorded as type of chemical entity[4].
  • ferrous hydroxide's CAS Registry Number is recorded as 18624-44-7[5].
  • ferrous hydroxide's EC number is recorded as 242-456-5[6].
  • ferrous hydroxide's canonical SMILES is recorded as [OH-].[OH-].[Fe+2][7].
  • ferrous hydroxide's InChI is recorded as InChI=1S/Fe.2H2O/h;2*1H2/q+2;;/p-2[8].
  • ferrous hydroxide's InChIKey is recorded as NCNCGGDMXMBVIA-UHFFFAOYSA-L[9].
  • ferrous hydroxide's chemical formula is recorded as FeH₂O₂[10].
  • ferrous hydroxide's subclass of is recorded as hydroxide salt[11].
  • ferrous hydroxide's Commons category is recorded as Iron(II) hydroxide[12].
  • ferrous hydroxide's has part is recorded as iron[13].
  • ferrous hydroxide's has part is recorded as oxygen[14].
  • ferrous hydroxide's has part is recorded as hydrogen[15].
  • ferrous hydroxide's crystal system is recorded as trigonal crystal system[16].
  • ferrous hydroxide's Freebase ID is recorded as /m/073b20[17].
  • ferrous hydroxide's UNII is recorded as 7JIM5W32UU[18].
  • ferrous hydroxide's ChemSpider ID is recorded as 8305416[19].
  • ferrous hydroxide's ChemSpider ID is recorded as 21160606[20].
  • ferrous hydroxide's PubChem CID is recorded as 10129897[21].
  • ferrous hydroxide's Mohs' hardness is recorded as {'amount': '+3.75'}[22].
  • ferrous hydroxide's density is recorded as {'unit': 'Q13147228', 'amount': '+3.4'}[23].
  • ferrous hydroxide's mass is recorded as {'unit': 'Q483261', 'amount': '+89.94'}[24].
  • ferrous hydroxide's decomposition point is recorded as {'unit': 'Q25267', 'amount': '+175'}[25].
  • ferrous hydroxide's ECHA Substance Infocard ID is recorded as 100.038.581[26].
  • ferrous hydroxide's SureChEMBL ID is recorded as 28157599[27].

Why It Matters

ferrous hydroxide ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (139 views/month).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[28] It is known by 7 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] . wikidata.org.
  3. [5] . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . Global Substance Registration System. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . 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] . Freebase Data Dumps. wikidata.org.
  16. [18] . Global Substance Registration System. Retrieved . wikidata.org.
  17. [19] . Q2311683. Retrieved . wikidata.org.
  18. [20] . Q2311683. Retrieved . wikidata.org.
  19. [21] . PubChem. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . PubChem. Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . ECHA Substance Infocard database. Retrieved . 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). ferrous hydroxide. Retrieved May 3, 2026, from https://4ort.xyz/entity/ferrous-hydroxide
MLA “ferrous hydroxide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ferrous-hydroxide.
BibTeX @misc{4ortxyz_ferrous-hydroxide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ferrous hydroxide}}, year = {2026}, url = {https://4ort.xyz/entity/ferrous-hydroxide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ferrous hydroxide — https://4ort.xyz/entity/ferrous-hydroxide (retrieved 2026-05-03)

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