phenolphthaleina

coloured pH indicator used at high pH
ChemicalSubstance type_of_chemical_entity Q187921
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phenolphthaleina

Summary

phenolphthaleina is a type of chemical entity[1]. phenolphthaleina ranks in the top 3% of type_of_chemical_entity entities by monthly Wikipedia readership (2,319 views/month).[2]

Key Facts

  • phenolphthaleina's instance of is recorded as type of chemical entity[3].
  • phenolphthaleina's canonical SMILES is recorded as C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O[4].
  • phenolphthaleina's chemical formula is recorded as C₂₀H₁₄O₄[5].
  • phenolphthaleina is a type of biogenic isobenzofuran[6].
  • phenolphthaleina is a type of bisphenol[7].
  • phenolphthaleina is used for medication[8].
  • phenolphthaleina is used for indicators and reagents[9].
  • phenolphthaleina's Commons category is recorded as Phenolphthalein[10].
  • phenolphthaleina's color is recorded as white[11].
  • phenolphthaleina comprises carbon[12].
  • phenolphthaleina's found in taxon is recorded as Caragana conferta[13].
  • phenolphthaleina's described by source is recorded as Armenian Soviet Encyclopedia[14].
  • phenolphthaleina's described by source is recorded as Encyclopædia Britannica 11th edition[15].
  • phenolphthaleina's different from is recorded as phenolphthalin[16].
  • phenolphthaleina's density is recorded as {'unit': 'Q13147228', 'amount': '+1.296'}[17].
  • phenolphthaleina's mass is recorded as {'unit': 'Q483261', 'amount': '+318.089209'}[18].
  • phenolphthaleina's melting point is recorded as {'unit': 'Q25267', 'amount': '+262.5'}[19].
  • phenolphthaleina's melting point is recorded as {'unit': 'Q25267', 'amount': '+260'}[20].
  • phenolphthaleina's boiling point is recorded as {'unit': 'Q25267', 'amount': '+557.8'}[21].
  • phenolphthaleina's subject has role is recorded as carcinogen[22].
  • phenolphthaleina's defined daily dose is recorded as {'unit': 'Q41803', 'amount': '+0.2'}[23].
  • phenolphthaleina's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[24].
  • phenolphthaleina's safety classification and labelling is recorded as Regulation (EC) No. 1272/2008[25].

Why It Matters

phenolphthaleina ranks in the top 3% of type_of_chemical_entity entities by monthly Wikipedia readership (2,319 views/month).[2] phenolphthaleina has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[26] phenolphthaleina is known by 44 alternative names across languages and contexts.[27]

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] . S20 | BISPHENOLS | Bisphenols. wikidata.org.
  6. [8] . DrugBank. wikidata.org.
  7. [9] . Medical Subject Headings. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . safety data sheet. Retrieved . pentachemicals.eu. Provenance: wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Phenolic substances of Caragana conferta and their superoxide scavenging activity. wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . safety data sheet. Retrieved . pentachemicals.eu. Provenance: wikidata.org.
  16. [18] . PubChem. Retrieved . wikidata.org.
  17. [19] . DrugBank. Retrieved . wikidata.org.
  18. [20] . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  19. [21] . chemenu.com. Retrieved . chemenu.com. Provenance: wikidata.org.
  20. [22] . California Proposition 65 list of chemicals. Retrieved . oehha.ca.gov. Provenance: wikidata.org.
  21. [23] . whocc.no. whocc.no. Provenance: wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . echa.europa.eu. Retrieved . echa.europa.eu. Provenance: wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] . Wikidata sitelinks. wikidata.org.
  3. [27] . 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). phenolphthaleina. Retrieved May 3, 2026, from https://4ort.xyz/entity/phenolphthaleina
MLA “phenolphthaleina.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/phenolphthaleina.
BibTeX @misc{4ortxyz_phenolphthaleina_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{phenolphthaleina}}, year = {2026}, url = {https://4ort.xyz/entity/phenolphthaleina}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): phenolphthaleina — https://4ort.xyz/entity/phenolphthaleina (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. 9d ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Found in taxon Caragana conferta
    Different from phenolphthalin
    Subclass of
    Density {'unit': 'Q13147228', 'amount': '+1.296'}
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007541280605171, mv to monolingual text names on J9U statements"
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