Property | Value |
Molecular Formula | C₃H₆Cl₂Si |
Molecular Weight | 141.07 g/mol |
Appearance | Colorless to almost colorless clear liquid |
Boiling Point | 113–115 °C (lit.) |
Density | 1.19 g/mL at 25 °C |
Refractive Index | n²⁰/D 1.464 (lit.) |
Hydrolytic Sensitivity | Reacts rapidly with moisture/water |
Flash Point | ~9 °C (48 °F) |
Description of 1,1-Dichlorosilacyclobutane
1,1-Dichlorosilacyclobutane (CAS: 2351-33-9) is a highly reactive organosilicon compound featuring a four-membered silacyclobutane ring with two chlorine atoms attached to the silicon atom. This compound is widely used as a versatile building block in organosilicon chemistry, particularly for synthesizing strained silacyclobutane derivatives, polysilanes, and functional silicon-based polymers.
Application of 1,1-Dichlorosilacyclobutane
Synthesis of Strained Silacyclobutane Derivatives. Key precursor for preparing novel silaheterocycles and functionalized silacyclobutanes.
Polysilanes and Silicon-Containing Copolymers. Used to build high-performance polysilanes and copolymers with unique electronic and thermal properties.
Ring-Opening Polymerization. Serves as a monomer for ROP to produce advanced silicone-based polymers.
Specialty Organosilicon Monomers. Versatile building block for custom silicon-containing monomers and intermediates.
Storage of 1,1-Dichlorosilacyclobutane
It should be kept in a tightly sealed container under an inert atmosphere (nitrogen or argon) in a cool, dry, well-ventilated area away from moisture and direct sunlight. Keep away from water, alcohols, amines, and other nucleophiles, as it reacts rapidly with moisture and hydrolyzes. Avoid prolonged exposure to air.
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