methyl orange

pH indicator
ChemicalSubstance type_of_chemical_entity Q409196
methyl orange
Ben Mills · Public Domain · Wikimedia
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methyl orange

Summary

methyl orange is a type of chemical entity[1]. It ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (258 views/month).[2]

Key Facts

  • methyl orange's image is recorded as Methyl-orange-sample.jpg[3].
  • methyl orange's instance of is recorded as type of chemical entity[4].
  • methyl orange's chemical structure is recorded as Methylorange Structural Formula.svg[5].
  • methyl orange's chemical structure is recorded as Methyl-orange-2D-skeletal.png[6].
  • methyl orange's CAS Registry Number is recorded as 547-58-0[7].
  • methyl orange's EC number is recorded as 208-925-3[8].
  • methyl orange's canonical SMILES is recorded as CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+][9].
  • methyl orange's InChI is recorded as InChI=1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1[10].
  • methyl orange's InChIKey is recorded as STZCRXQWRGQSJD-UHFFFAOYSA-M[11].
  • methyl orange's chemical formula is recorded as C₁₄H₁₄N₃NaO₃S[12].
  • methyl orange's subclass of is recorded as azo dye[13].
  • methyl orange's has use is recorded as pH indicator[14].
  • methyl orange's has use is recorded as indicators and reagents[15].
  • methyl orange's Commons category is recorded as Methyl orange[16].
  • methyl orange's sRGB color hex triplet is recorded as E32600[17].
  • methyl orange's MeSH descriptor ID is recorded as C100258[18].
  • methyl orange's Freebase ID is recorded as /m/04fc_d[19].
  • methyl orange's ChemSpider ID is recorded as 16736152[20].
  • methyl orange's PubChem CID is recorded as 23673835[21].
  • methyl orange's ZVG number is recorded as 105039[22].
  • methyl orange's Gran Enciclopèdia Catalana ID is recorded as 0113644[23].
  • methyl orange's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[24].
  • methyl orange's density is recorded as {'unit': 'Q13147228', 'amount': '+1.28'}[25].
  • methyl orange's HSDB ID is recorded as 4322[26].
  • methyl orange's mass is recorded as {'unit': 'Q483261', 'amount': '+327.065357'}[27].

Why It Matters

methyl orange ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (258 views/month).[2] It has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[28] It is known by 21 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] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . PubChem. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Medical Subject Headings. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . color-meanings.com. color-meanings.com. Provenance: wikidata.org.
  16. [18] . Medical Subject Headings. Retrieved . wikidata.org.
  17. [19] . Freebase Data Dumps. wikidata.org.
  18. [20] . Q2311683. Retrieved . wikidata.org.
  19. [21] . PubChem. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . Hazardous Substances Data Bank. Retrieved . wikidata.org.
  25. [27] . PubChem. Retrieved . 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). methyl orange. Retrieved May 3, 2026, from https://4ort.xyz/entity/methyl-orange
MLA “methyl orange.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/methyl-orange.
BibTeX @misc{4ortxyz_methyl-orange_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{methyl orange}}, year = {2026}, url = {https://4ort.xyz/entity/methyl-orange}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): methyl orange — https://4ort.xyz/entity/methyl-orange (retrieved 2026-05-03)

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