hydrogen phosphate ion

anion
ChemicalSubstance type_of_chemical_entity Q27104508
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hydrogen phosphate ion

Summary

hydrogen phosphate ion is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (13 views/month).[2]

Key Facts

  • hydrogen phosphate ion's instance of is recorded as type of chemical entity[3].
  • hydrogen phosphate ion's chemical structure is recorded as Hydrogen phosphate.svg[4].
  • hydrogen phosphate ion's CAS Registry Number is recorded as 14066-19-4[5].
  • hydrogen phosphate ion's canonical SMILES is recorded as OP(=O)([O-])[O-][6].
  • hydrogen phosphate ion's InChI is recorded as InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-2[7].
  • hydrogen phosphate ion's InChIKey is recorded as NBIIXXVUZAFLBC-UHFFFAOYSA-L[8].
  • hydrogen phosphate ion's chemical formula is recorded as HPO₄²⁻[9].
  • hydrogen phosphate ion's subclass of is recorded as dianion[10].
  • hydrogen phosphate ion's subclass of is recorded as monoprotic acid[11].
  • hydrogen phosphate ion's subclass of is recorded as phosphate ion[12].
  • hydrogen phosphate ion's subclass of is recorded as oxyacid[13].
  • hydrogen phosphate ion's PDB structure ID is recorded as 3ETJ[14].
  • hydrogen phosphate ion's PDB structure ID is recorded as 2OKN[15].
  • hydrogen phosphate ion's PDB structure ID is recorded as 4FX7[16].
  • hydrogen phosphate ion's PDB structure ID is recorded as 4EVZ[17].
  • hydrogen phosphate ion's PDB structure ID is recorded as 1JUY[18].
  • hydrogen phosphate ion's PDB structure ID is recorded as 4LZ3[19].
  • hydrogen phosphate ion's PDB structure ID is recorded as 4F1U[20].
  • hydrogen phosphate ion's PDB structure ID is recorded as 4F1V[21].
  • hydrogen phosphate ion's PDB structure ID is recorded as 3Q3Y[22].
  • hydrogen phosphate ion's PDB structure ID is recorded as 3TIF[23].
  • hydrogen phosphate ion's PDB structure ID is recorded as 4P7F[24].
  • hydrogen phosphate ion's PDB structure ID is recorded as 1NV6[25].
  • hydrogen phosphate ion's PDB structure ID is recorded as 1NV2[26].
  • hydrogen phosphate ion's UNII is recorded as 33UE6C4909[27].

Why It Matters

hydrogen phosphate ion ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (13 views/month).[2] It is known by 6 alternative names across languages and contexts.[28]

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] . PubChem. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Protein Data Bank. Retrieved . wikidata.org.
  13. [15] . Protein Data Bank. Retrieved . wikidata.org.
  14. [16] . Protein Data Bank. Retrieved . wikidata.org.
  15. [17] . Protein Data Bank. Retrieved . wikidata.org.
  16. [18] . Protein Data Bank. Retrieved . wikidata.org.
  17. [19] . Protein Data Bank. Retrieved . wikidata.org.
  18. [20] . Protein Data Bank. Retrieved . wikidata.org.
  19. [21] . Protein Data Bank. Retrieved . wikidata.org.
  20. [22] . Protein Data Bank. Retrieved . wikidata.org.
  21. [23] . Protein Data Bank. Retrieved . wikidata.org.
  22. [24] . Protein Data Bank. Retrieved . wikidata.org.
  23. [25] . Protein Data Bank. Retrieved . wikidata.org.
  24. [26] . Protein Data Bank. Retrieved . wikidata.org.
  25. [27] . Global Substance Registration System. Retrieved . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . 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). hydrogen phosphate ion. Retrieved May 3, 2026, from https://4ort.xyz/entity/hydrogen-phosphate-ion
MLA “hydrogen phosphate ion.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hydrogen-phosphate-ion.
BibTeX @misc{4ortxyz_hydrogen-phosphate-ion_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hydrogen phosphate ion}}, year = {2026}, url = {https://4ort.xyz/entity/hydrogen-phosphate-ion}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hydrogen phosphate ion — https://4ort.xyz/entity/hydrogen-phosphate-ion (retrieved 2026-05-03)

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