- Chemical Name:Cyclobutadiene
- CAS No.:1120-53-2
- Molecular Formula:C4H4
- Molecular Weight:52.0758
- Hs Code.:2902199090
- UNII:I5G5583N4F
- DSSTox Substance ID:DTXSID00149807
- Nikkaji Number:J80.159C
- Wikipedia:Cyclobutadiene
- Wikidata:Q415302
- Metabolomics Workbench ID:54890
- Mol file:1120-53-2.mol
Synonyms:Cyclobutadiene;1,3-Cyclobutadiene;1120-53-2;cyclobuta-1,3-diene;UNII-I5G5583N4F;I5G5583N4F;[4]Annulene;CHEBI:33657;CYCLOBUTADIENE [MI];DTXSID00149807;Q415302