C
4
H
4
Related molecular formulas
C
4
H
6
C
3
H
2
C
4
H
4
C
5
H
6
C
4
H
2
The
molecular formula
C
4
H
4
(molar mass: 52.07 g/mol) may refer to:
Butatriene
Cyclobutadiene
Cyclobutyne
Methylenecyclopropene
Tetrahedrane
Vinylacetylene