- Chemical Name:2-Butynedial
- CAS No.:21251-20-7
- Molecular Formula:C4H2O2
- Molecular Weight:82.0587
- Hs Code.:
- DSSTox Substance ID:DTXSID80469318
- Nikkaji Number:J944.462I
- Wikidata:Q82296984
- Mol file:21251-20-7.mol
Synonyms:2-Butynedial;But-2-ynedial;acetylenedicarbaldehyde;21251-20-7;DTXSID80469318;EN300-7574413