fluorene

chemical compound

Class type of: aromatic hydrocarbon, tricyclic compound Q417934

Facts

15 properties

Instance of: type of chemical entity
Subclass of: aromatic hydrocarbon, tricyclic compound
Part of: drug metabolic process, fluorene catabolic process^[6]^[7]
Boiling point: +295^[17]
Canonical SMILES: C1C2=CC=CC=C2C3=CC=CC=C31^[4]
Chemical formula: C₁₃H₁₀^[5]
Described by source: Encyclopædia Britannica 11th edition^[12]
Different from: fluorine^[13]
Found in taxon: maize, Angelica gigas, Daucus carota^[9]^[10]^[11]
Has part(s): carbon^[8]
Ionization energy: +7.89^[18]
Mass: +166.078^[14]
Melting point: +115, +114.8^[15]^[16]
Safety classification and labelling: NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response^[20]
Subject has role: carcinogen^[19]

🏷️ Also known as

en fluorene en o-biphenylenemethane en 9H-fluorene en Fluoren ar فلورين cs 9H-fluoren cs fluoren es fluoreno fa فلوئورن fi fluoreeni fr fluorène fr 86-73-7 hu fluorén id fluorena it C13H10 ja フルオレン ko 플루오렌 nl fluoreen ru флуорен th Fluorene

🔖 Identifiers · 44

OpenAlex ID: C2776211377
CAB ID: 352
CAMEO Chemicals ID: 16214
CAS Registry Number: 86-73-7
CCDC Number: 1157853
CSD Refcode: FLUREN01
ChEBI ID: 28266
ChEMBL ID: CHEMBL16236
ChemSpider ID: 6592
DSSTOX compound identifier: DTXCID604105
DSSTox substance ID: DTXSID8024105
EC number: 201-695-5

Show all 44 identifiers +32

ECHA Substance Infocard ID: 100.001.541
Freebase ID: /m/0909fs
Gmelin number: 28451
Great Russian Encyclopedia Online ID (2017): 4716070
HSDB ID: 2165
Human Metabolome Database ID: HMDB0252355
InChI: InChI=1S/C13H10/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)12/h1-8H,9H2
InChIKey: NIHNNTQXNPWCJQ-UHFFFAOYSA-N
J-GLOBAL ID: 200907043918707922
JSTOR topic ID (archived): fluorenes
KEGG ID: C07715
MassBank accession ID: MSBNK-Fac_Eng_Univ_Tokyo-JP001403, MSBNK-Fac_Eng_Univ_Tokyo-JP001594, MSBNK-Fac_Eng_Univ_Tokyo-JP012341, MSBNK-Fac_Eng_Univ_Tokyo-JP004718, MSBNK-Fac_Eng_Univ_Tokyo-JP008574
MeSH descriptor ID: C041509
Microsoft Academic ID (discontinued): 2776211377
NMRShiftDB structure ID: 10016530
NSC number: 6787
Nikkaji ID: J3.895D
PDB ligand ID: 9FL
PDB structure ID: 4NBE
Probes And Drugs ID: PD158298
PubChem CID: 6853
RTECS number: LL5670000
Reaxys registry number: 1363491
Römpp online ID: RD-06-01368
SPLASH: splash10-0159-7900000000-247b16c4daf5a17a0cc0, splash10-014i-2900000000-f04939dbad3d225fb7c9, splash10-014i-4900000000-aff7675602d75a9d711e, splash10-014i-0900000000-c968044f1f87857aa089, splash10-014i-1922200000-b26b3bedf469fac71dd9
SureChEMBL ID: 8.2k (8.2k–29.5M, n=3)
Topic's main category: Category:Fluorene
UM-BBD compound ID: c0388
UMLS CUI: C0060517
UNII: 3Q2UY0968A
UniChem compound ID: 633830
ZVG number: 22990

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Found in taxon 3

maize, Daucus carota, Angelica gigas

Described by source 1

Encyclopædia Britannica 11th edition

Different from 1

fluorine

Has part(s) 1

carbon

Subclass of 1

polycyclic aromatic hydrocarbons

Subject has role 1

carcinogen

← Different from 1

fluorine

← FactGrid item ID 1

glasses

Press Enter · cited answer in seconds

Summary

fluorene is a type of chemical entity^[1]. fluorene is a type of aromatic hydrocarbon^[2] and tricyclic compound^[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[4] ↑ fluorene — canonical SMILES (P233): C1C2=CC=CC=C2C3=CC=CC=C31. PubChem. Retrieved 2016-11-17. wikidata.org.
[5] ↑ fluorene — chemical formula (P274): C₁₃H₁₀. PubChem. Retrieved 2016-11-17. wikidata.org.
[2] ↑ fluorene — subclass of (P279): aromatic hydrocarbon. wikidata.org.
[3] ↑ fluorene — subclass of (P279): tricyclic compound. wikidata.org.
[6] ↑ fluorene — part of (P361): drug metabolic process. Gene Ontology release 2019-11-16. wikidata.org.
[7] ↑ fluorene — part of (P361): fluorene catabolic process. Gene Ontology release 2019-11-16. wikidata.org.
[8] ↑ fluorene — has part(s) (P527): carbon. wikidata.org.
[9] ↑ fluorene — found in taxon (P703): maize. Volatile components of corn silk (Zea mays L.): possible Heliothis zea (Boddie) attractants. wikidata.org.
[10] ↑ fluorene — found in taxon (P703): Angelica gigas. Analysis of the influence of sulfur-fumigation on the volatile components of Angelicae sinensis Radix by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry. wikidata.org.
[11] ↑ fluorene — found in taxon (P703): Daucus carota. Studies on the polynuclear aromatic hydrocarbon content of carrots (Daucus carota). wikidata.org.
[12] ↑ fluorene — described by source (P1343): Encyclopædia Britannica 11th edition. wikidata.org.
[13] ↑ fluorene — different from (P1889): fluorine. wikidata.org.
[14] ↑ fluorene — mass (P2067): 166.078 dalton. PubChem. Retrieved 2016-11-17. wikidata.org.
[15] ↑ fluorene — melting point (P2101): 115 °C. Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
[16] ↑ fluorene — melting point (P2101): 114.8 °C. Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
[17] ↑ fluorene — boiling point (P2102): 295 °C. Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
[18] ↑ fluorene — ionization energy (P2260): 7.89 electronvolt. Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
[19] ↑ fluorene — subject has role (P2868): carcinogen. Medical Subject Headings. Retrieved 2018-03-15. wikidata.org.
[20] ↑ fluorene — safety classification and labelling (P4952): NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response. wikidata.org.

Class ancestry

[1] ↑ fluorene is an instance of type of chemical entity (Q113145171) [P31, primary]. Wikidata. 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). fluorene. Retrieved November 12, 2026, from https://4ort.xyz/entity/fluorene

MLA “fluorene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/fluorene.

BibTeX

@misc{4ortxyz_fluorene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{fluorene}}, year = {2026}, url = {https://4ort.xyz/entity/fluorene}, note = {Accessed: 2026-11-12}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): fluorene — https://4ort.xyz/entity/fluorene (retrieved 2026-11-12)

Canonical URL: https://4ort.xyz/entity/fluorene · Last refreshed: November 12, 2026

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.

1d ago · Dev Jadiya · 2026-11-12 view diff on Wikidata ↗

"Added [hi] label: फ़्लुओरीन, batch #294734"
7w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗

ZVG number → 22990

"Changed claim: ZVG number: 22990, см. / see autofix на / on P679"
7w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗

ZVG number → 22990

"Created claim: ZVG number: 022990, batch #275042"
22w ago · Mahir256 · 2026-06-09 view diff on Wikidata ↗

WordNet 3.1 Synset ID → —

"Removed claim: WordNet 3.1 Synset ID: 14661685-n"

Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.