Home › Entities › biogenic aliphatic hydrocarbon › 1-undecene

1-undecene

chemical compound
Class type of: biogenic aliphatic hydrocarbon, alkene Q14745306

Facts

11 properties
Instance of
type of chemical entity
Subclass of
biogenic aliphatic hydrocarbon, alkene
Part of
1-undecene metabolic process, 1-undecene biosynthetic process[6][7]
Canonical SMILES
CCCCCCCCCC=C[4]
Chemical formula
C₁₁H₂₂[5]
Described by source
Yuzhakov Big Encyclopedia[22]
Found in taxon
Tussilago farfara, Porophyllum ruderale, Aristolochia birostris, Aristolochia cymbifera, Aristolochia gigantea, Aristolochia macroura, Aristolochia triangularis, Carthamus tinctorius, Cineraria aspera, Pectis elongata, Senecio venosus, Tribolium castaneum, Zanthoxylum hawaiiense, Attalea speciosa, Cineraria parvifolia, Hoehnephytum imbricatum, Petasites albus, Aristolochia didyma, Petasites hybridus[8][9][10][11][12][13][14][15][16][17][18][19][20][21]
Mass
+154.172[23]
Melting point
-49.0[25]
Safety classification and labelling
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[26]
Speed of sound
+1275[24]
🏷️ Also known as
en Undecene en Undecene-1 en 1-Hendecene en 1-undecene en alpha-Nonylethylene en alpha-undecene en alpha-Undecylene en n-1-Undecene de 1-Undecen de Undecen-1 fi Undekeeni fr undéc-1-ène ja 1-ウンデセン pl 1-undeken pl undek-1-en zh 1-十一烯
🔖 Identifiers · 26
CAMEO Chemicals ID
9159
CAS Registry Number
821-95-4
Cannabis Database ID
005822
ChEBI ID
77444
ChemSpider ID
12635
DSSTOX compound identifier
DTXCID0048268
DSSTox substance ID
DTXSID5061168
EC number
212-483-7
ECHA Substance Infocard ID
100.011.348
Google Knowledge Graph ID
/g/12qhk_s62
HSDB ID
1090
Human Metabolome Database ID
HMDB0029551
Show all 26 identifiers +14
InChI
InChI=1S/C11H22/c1-3-5-7-9-11-10-8-6-4-2/h3H,1,4-11H2,2H3
InChIKey
DCTOHCCUXLBQMS-UHFFFAOYSA-N
J-GLOBAL ID
200907040660468392
KNApSAcK ID
C00052582
LIPID MAPS ID
LMFA11000332
MassBank accession ID
MSBNK-Fac_Eng_Univ_Tokyo-JP012231
NSC number
73983
Nikkaji ID
J44.094I
PubChem CID
13190
SPLASH
splash10-05a2-9100000000-64fb0a9f78c8bae0e32b
SureChEMBL ID
35162, 6860591
UNII
1446756A8F
UniChem compound ID
24302061
ZVG number
107351

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

🔗 Connections
Found in taxon 15
Tussilago farfara, Carthamus tinctorius, Petasites hybridus, Petasites albus, Tribolium castaneum, Attalea speciosa, Porophyllum ruderale, Aristolochia gigantea +7 more
Subclass of 1
alkene
Press Enter · cited answer in seconds

Summary

1-undecene is a type of chemical entity[1]. 1-undecene is a type of biogenic aliphatic hydrocarbon[2] and alkene[3].

References

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

Direct Wikidata claims

  1. [4] ↑ . PubChem. Retrieved . wikidata.org.
  2. [5] ↑ . PubChem. Retrieved . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [6] ↑ . Gene Ontology release 2019-11-16. wikidata.org.
  6. [7] ↑ . Gene Ontology release 2019-11-16. wikidata.org.
  7. [8] ↑ . Studies on the Constituents of Tussilago farfara L. I. On the Components of the Essential Oil. wikidata.org.
  8. [9] ↑ . Composition of the essential oil ofPorophyllum ruderale (Jacq.) Cass. from Bolivia. wikidata.org.
  9. [10] ↑ . ESSENTIAL OILS FROM TWO BRAZILIAN VITEX SPECIES. wikidata.org.
  10. [11] ↑ . ESSENTIAL OILS FROM TWO BRAZILIAN VITEX SPECIES. wikidata.org.
  11. [12] ↑ . ESSENTIAL OILS FROM TWO BRAZILIAN VITEX SPECIES. wikidata.org.
  12. [13] ↑ . ESSENTIAL OILS FROM TWO BRAZILIAN VITEX SPECIES. wikidata.org.
  13. [14] ↑ . ESSENTIAL OILS FROM TWO BRAZILIAN VITEX SPECIES. wikidata.org.
  14. [15] ↑ . Evaluation of the steric course of enoyl reduction in higher plants and insects via coupling to 1-alkene biosynthesis. A model study with Carthamus tinctorius(Asteraceae) and Tribolium castaneum(Coleoptera; Tenebrionidae). wikidata.org.
  15. [16] ↑ . ChemInform Abstract: POLYACETYLENIC COMPOUNDS. 267. BIOGENETICALLY INTERESTING ACETYLENIC COMPOUNDS FROM CINERARIA SAXIFRAGA DC. wikidata.org.
  16. [17] ↑ . Analysis of the Essential Oil ofPectis elongataKunth. from Martinique. Evaluation of Its Bacteriostatic and Fungistatic Properties. wikidata.org.
  17. [18] ↑ . Eremophilane derivatives and other constituents from Senecio species. wikidata.org.
  18. [19] ↑ . Evaluation of the steric course of enoyl reduction in higher plants and insects via coupling to 1-alkene biosynthesis. A model study with Carthamus tinctorius(Asteraceae) and Tribolium castaneum(Coleoptera; Tenebrionidae). wikidata.org.
  19. [20] ↑ . Volatile insecticidal compounds and chemical variability of hawaiian Zanthoxylum (Rutaceae) species. wikidata.org.
  20. [21] ↑ . Pyrolysis of tropical vegetable oils. wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . PubChem. Retrieved . wikidata.org.
  23. [24] ↑ . CRC Handbook of Chemistry and Physics (78th edition). wikidata.org.
  24. [25] ↑ . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . 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). 1-undecene. Retrieved November 3, 2026, from https://4ort.xyz/entity/1-undecene
MLA “1-undecene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/1-undecene.
BibTeX @misc{4ortxyz_1-undecene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1-undecene}}, year = {2026}, url = {https://4ort.xyz/entity/1-undecene}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1-undecene — https://4ort.xyz/entity/1-undecene (retrieved 2026-11-03)

Canonical URL: https://4ort.xyz/entity/1-undecene · 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. 20w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Speed of sound → 1,275 metre per second
    Instance of → type of chemical entity
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Haza
    Found in taxon → Tussilago farfara, Porophyllum ruderale, Aristolochia birostris +1
    + 5 other properties edited (see Wikidata diff for full list)
    "Changed [tr] labels, descriptions or aliases: QuickStatements 3.0 batch #37300"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.