Di vinyl tetra methyl disiloxane Cas no. : 2627-95-4 Molecular formular : [h2c=chsi(ch3)2]2o Molecular weight : 186.40 Specification : appearance : colorless clear liquid Refractive index : 1.4110 Density(p20, g/cm3) : 0.809 Melting point : -99oc Boiling point : 139oc Flash point : 76of