Basic

CAS No.	1120-53-2
Product Name	cyclobuta-1,3-diene
Synonyms	1,3-Cyclobutadien; 1,3-Cyclobutadiene; 1,3-Cyclobutadiène; Cyclobuta-1,3-diene
Molecular Formula	C4H4
Molecular Weight	52.0746

Physical property

Density	0.904g/cm3
Boiling point	41.2°C at 760 mmHg
Refractive index	1.525