Silacyclobutane is a organosilicon compound with the formula (CH2)3SiH2. It is a colourless volatile liquid of only academic interest. More common derivatives include the disubstituted derivatives such as (CH2)3Si(CH3)2. Being strained rings, such compounds exhibit enhanced reactivity. Silacyclobutane is a organosilicon compound with the formula (CH2)3SiH2. It is a colourless volatile liquid of only academic interest. More common derivatives include the disubstituted derivatives such as (CH2)3Si(CH3)2. Being strained rings, such compounds exhibit enhanced reactivity.