phenylacetylene

chemical compound

Class type of: acetylene Q417321

Facts

11 properties

Instance of: type of chemical entity
Subclass of: acetylene
Canonical SMILES: C#CC1=CC=CC=C1^[3]
Chemical formula: C₈H₆^[4]
Density: +0.93^[9]
Found in taxon: Tuber borchii, tomato^[6]^[7]
Has part(s): carbon^[5]
Mass: +102.047^[10]
Melting point: -45^[11]
Monomer of: polyphenylacetylene^[12]
PKa: +28.8^[8]

🏷️ Also known as

en phenylacetylene en ethynylbenzene de Phenylacetylen de Phenylethin de Ethinylbenzol de Ethinylbenzen el Φαινυλακετυλένιο es Fenilacetileno fa فنیل‌استیلن fa فنیل استیلن fi Etynyylibentseeni fi fenyyliasetyleeni fr Phénylacétylène fr 536-74-3 fr Phényléthyne hu fenilacetilén it Etinilbenzene it fenilacetilene it Feniletino ja フェニルアセチレン

🔖 Identifiers · 20

OpenAlex ID: C2778545935
CAS Registry Number: 536-74-3
ChEBI ID: 167069
ChEMBL ID: CHEMBL234833
ChemSpider ID: 10364
DSSTOX compound identifier: DTXCID1041477
DSSTox substance ID: DTXSID1060211
EC number: 208-645-1
ECHA Substance Infocard ID: 100.007.861
Freebase ID: /m/0gg4w1
InChI: InChI=1S/C8H6/c1-2-8-6-4-3-5-7-8/h1,3-7H
InChIKey: UEXCJVNBTNXOEH-UHFFFAOYSA-N

Show all 20 identifiers +8

KNApSAcK ID: C00062111
Microsoft Academic ID (discontinued): 2778545935, 2910463791
NMRShiftDB structure ID: 10005592
NSC number: 4957
PubChem CID: 10821
SureChEMBL ID: 4.9k (4.9k–4.3M, n=3)
UNII: 239WSR2IBO
UniChem compound ID: 90769

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

🔗 Connections

Found in taxon 2

tomato, Tuber borchii

Has part(s) 1

carbon

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Summary

phenylacetylene is a type of chemical entity^[1]. phenylacetylene is a type of acetylene^[2].

References

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

Direct Wikidata claims

[3] ↑ phenylacetylene — canonical SMILES (P233): C#CC1=CC=CC=C1. PubChem. Retrieved 2016-10-14. wikidata.org.
[4] ↑ phenylacetylene — chemical formula (P274): C₈H₆. PubChem. Retrieved 2016-10-14. wikidata.org.
[2] ↑ phenylacetylene — subclass of (P279): acetylene. wikidata.org.
[5] ↑ phenylacetylene — has part(s) (P527): carbon. wikidata.org.
[6] ↑ phenylacetylene — found in taxon (P703): Tuber borchii. The volatile organic compounds from the mycelium of Tuber borchii Vitt. wikidata.org.
[7] ↑ phenylacetylene — found in taxon (P703): tomato. Differentiation of the volatile profile of microbiologically contaminated canned tomatoes by dynamic headspace extraction followed by gas chromatography-mass spectrometry analysis. wikidata.org.
[8] ↑ phenylacetylene — pKa (P1117): 28.8. wikidata.org.
[9] ↑ phenylacetylene — density (P2054): 0.93 gram per cubic centimetre. wikidata.org.
[10] ↑ phenylacetylene — mass (P2067): 102.047 dalton. PubChem. Retrieved 2016-10-14. wikidata.org.
[11] ↑ phenylacetylene — melting point (P2101): -45 °C. Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
[12] ↑ phenylacetylene — monomer of (P4599): polyphenylacetylene. wikidata.org.

Class ancestry

[1] ↑ phenylacetylene 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). phenylacetylene. Retrieved November 4, 2026, from https://4ort.xyz/entity/phenylacetylene

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

BibTeX

@misc{4ortxyz_phenylacetylene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{phenylacetylene}}, year = {2026}, url = {https://4ort.xyz/entity/phenylacetylene}, note = {Accessed: 2026-11-04}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): phenylacetylene — https://4ort.xyz/entity/phenylacetylene (retrieved 2026-11-04)

Canonical URL: https://4ort.xyz/entity/phenylacetylene · Last refreshed: November 4, 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.

19w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗

Density → {'unit': 'Q13147228', 'amount': '+0.93'}

Monomer of → polyphenylacetylene

Has parts → —

Instance of → type of chemical entity

+ 9 other properties edited (see Wikidata diff for full list)

"/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"

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