sulfurous acid

chemical compound
ChemicalSubstance type_of_chemical_entity Q206778
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sulfurous acid

Summary

sulfurous acid is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (476 views/month).[2]

Key Facts

  • sulfurous acid's instance of is recorded as type of chemical entity[3].
  • sulfurous acid's canonical SMILES is recorded as OS(=O)O[4].
  • sulfurous acid's chemical formula is recorded as H₂SO₃[5].
  • sulfurous acid is a type of mineral acid[6].
  • sulfurous acid is a type of sulfur oxoacid[7].
  • sulfurous acid is a type of diprotic acid[8].
  • sulfurous acid's Commons category is recorded as Sulfurous acid[9].
  • sulfurous acid comprises hydrogen[10].
  • sulfurous acid comprises oxygen[11].
  • sulfurous acid comprises sulfur[12].
  • sulfurous acid's found in taxon is recorded as Terminalia chebula[13].
  • sulfurous acid's found in taxon is recorded as Homo sapiens[14].
  • sulfurous acid's found in taxon is recorded as Escherichia coli[15].
  • sulfurous acid's found in taxon is recorded as Fragaria[16].
  • sulfurous acid's different from is recorded as sulfuric acid[17].
  • sulfurous acid's density is recorded as {'unit': 'Q13147228', 'amount': '+1.03'}[18].
  • sulfurous acid's mass is recorded as {'unit': 'Q483261', 'amount': '+81.972'}[19].
  • sulfurous acid's subject has role is recorded as primary metabolite[20].
  • sulfurous acid's conjugate base is recorded as bisulfite ion[21].
  • sulfurous acid's tautomer of is recorded as sulfonic acid[22].

Why It Matters

sulfurous acid ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (476 views/month).[2] It has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[23] It is known by 32 alternative names across languages and contexts.[24]

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] . Extraction, gas chromatography-mass spectrometry analysis and screening of fruits of Terminalia chebula Retz. for its antimicrobial potential. wikidata.org.
  12. [14] . Recon 2.2: from reconstruction to model of human metabolism. wikidata.org.
  13. [15] . Characterization of the cysJIH Regions of Salmonella typhimurium and Escherichia coli B. wikidata.org.
  14. [16] . Composition of Secondary Metabolites in Various Parts of 'Seolhyang' Strawberry Plants. wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . PubChem. Retrieved . wikidata.org.
  18. [20] . Reactome. plantreactome.gramene.org. Provenance: wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . ChEBI release 2021-03-01. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] . Wikidata sitelinks. wikidata.org.
  3. [24] . 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). sulfurous acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/sulfurous-acid
MLA “sulfurous acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/sulfurous-acid.
BibTeX @misc{4ortxyz_sulfurous-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sulfurous acid}}, year = {2026}, url = {https://4ort.xyz/entity/sulfurous-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sulfurous acid — https://4ort.xyz/entity/sulfurous-acid (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/sulfurous-acid · Last refreshed:

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. 2d ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Found in taxon Terminalia chebula, Homo sapiens, Escherichia coli +1
    Conjugate base bisulfite ion
    Instance of type of chemical entity
    Pubchem cid 1100
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007548503005171, mv to monolingual text names on J9U statements"
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