1,4-benzoquinone

chemical compound

Class type of: 1,4-benzoquinone Q402719

Facts

20 properties

Instance of: type of chemical entity
Subclass of: 1,4-benzoquinone^[5]
Part of: p-benzoquinone reductase (NADPH) activity, 4-nitrophenol 4-monooxygenase activity^[6]^[7]
Has use: indicators and reagents^[8]
Canonical SMILES: C1=CC(=O)C=CC1=O^[3]
Chemical formula: C₆H₄O₂^[4]
Density: +1.32, +1.32^[22]^[23]
Electric dipole moment: +0
Flash point: +200, +100
Found in taxon: Rhapidostreptus innominatus, Ophistreptus levis, Spirostreptus pavani, Pyrus, Uloma tenebrionoides, Vespa simillima, Blaps lethifera, Caenorhabditis elegans^[12]^[13]^[14]^[15]^[16]^[17]^[18]^[19]
Has effect: quinone exposure^[20]
Has part(s): carbon, oxygen, hydrogen^[9]^[10]^[11]
Immediately dangerous to life or health: +100
Ionization energy: +9.68, +10.04
Mass: +108.021, +108.021129368^[24]
Melting point: 115.7 (114–240, n=4)
NIOSH Pocket Guide ID: 0542^[21]
Physically interacts with: Transient receptor potential cation channel subfamily A member 1^[2]
Time-weighted average exposure limit: +0.4
Vapor pressure: +0.1

🏷️ Also known as

en Cyclohexadiene-1,4-dione en Cyclohexadienedione en Eldoquin en Quinone en p-quinone en p-BQ en p-benzoquinone en Para-Quinone en para-benzoquinone en 1,4-Benzoquine en 1,4-benzoquinone en 1,4-Cyclohexadienedione en 1,4-Cyclohexadiene dioxide en 1,4-Diossibenzene en 1,4-Dioxybenzene en 1,4-Dioxy-benzol en 2,5-cyclohexadiene-1-4-dione en benzo-1,4-quinone en Benzo-chinon en benzoquinone

🔖 Identifiers · 48

OpenAlex ID: C2776297863
Image (Wikimedia Commons): Para-Benzoquinone needles.jpg ↗
CAB ID: 60393
CAMEO Chemicals ID: 2591
CAS Registry Number: 106-51-4
CCDC Number: 177896
CSD Refcode: BNZQUI03
Cannabis Database ID: 005109
ChEBI ID: 16509
ChEMBL ID: CHEMBL8320
ChemSpider ID: 4489
DSSTOX compound identifier: DTXCID40145

Show all 48 identifiers +36

DSSTox substance ID: DTXSID6020145
EC number: 203-405-2
ECHA Substance Infocard ID: 100.003.097
Encyclopædia Britannica Online ID: science/benzoquinone
Freebase ID: /m/08s9pm
Gmelin number: 2741
Guide to Pharmacology Ligand ID: 6307
HCIS ID: 449
HSDB ID: 1111
Human Metabolome Database ID: HMDB0003364
ICSC ID: 0779
IEDB Epitope ID: 116219
InChI: InChI=1S/C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H
InChIKey: AZQWKYJCGOJGHM-UHFFFAOYSA-N
KEGG ID: C15602, C00472
MassBank accession ID: MSBNK-Fac_Eng_Univ_Tokyo-JP004713
MeSH descriptor ID: C004532
Microsoft Academic ID (discontinued): 2776297863
NMRShiftDB structure ID: 10015929
NSC number: 36324
PDB ligand ID: PLQ
PDB structure ID: 3B6K, 4YQE
PesticideInfo chemical ID: PRI5529
Probes And Drugs ID: PD015434
PubChem CID: 4650
RTECS number: DK2625000
Reaxys registry number: 773967
RxNorm CUI: 319868
SPLASH: splash10-0a4i-1900000000-ef24fced6ea7d4039aca, splash10-00xr-1900000000-9b99afb0e9c6350434a4, splash10-00or-9000000000-6897ef153b4119e50ceb, splash10-0a4i-7900000000-fca2433f986ba378f8c9, splash10-0zgi-9200000000-8777cde0dbcbb2157cdd, splash10-014u-9000000000-9bddbff45c6d0d3e0cf1
SureChEMBL ID: 18103
SwissLipids ID: SLM:000399826
UM-BBD compound ID: c0261
UMLS CUI: C1096793
UNII: 3T006GV98U
UniChem compound ID: 92898
ZVG number: 24020

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

🔗 Connections

Found in taxon 4

Pyrus, Caenorhabditis elegans, Vespa simillima, Blaps lethifera

Has part(s) 3

hydrogen, oxygen, carbon

Belongs to 1

quinhydrone

← FactGrid item ID 1

Erica Fischer

Press Enter · cited answer in seconds

Summary

1,4-benzoquinone is a type of chemical entity^[1].

References

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

Direct Wikidata claims

Class ancestry

[1] ↑ 1,4-benzoquinone 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). 1,4-benzoquinone. Retrieved November 8, 2026, from https://4ort.xyz/entity/1-4-benzoquinone

MLA “1,4-benzoquinone.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/1-4-benzoquinone.

BibTeX

@misc{4ortxyz_1-4-benzoquinone_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1,4-benzoquinone}}, year = {2026}, url = {https://4ort.xyz/entity/1-4-benzoquinone}, note = {Accessed: 2026-11-08}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1,4-benzoquinone — https://4ort.xyz/entity/1-4-benzoquinone (retrieved 2026-11-08)

Canonical URL: https://4ort.xyz/entity/1-4-benzoquinone · Last refreshed: November 8, 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.

6w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗

ZVG number → 24020

"Changed claim: ZVG number: 24020, см. / see autofix на / on P679"
6w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗

Has effect → quinone exposure

ZVG number → 24020

"Created claim: ZVG number: 024020, batch #275042"
6w ago · Artoria2e5 · 2026-09-22 view diff on Wikidata ↗

Has effect → quinone exposure

"Created claim: Has effect: redox cycling"
20w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗

Has effect → quinone exposure

Instance of → type of chemical entity

Flash point → {'amount': '+200'}, {'amount': '+100'}

Subclass of → 1,4-benzoquinone

+ 13 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.