Bis(chloromethyl)tetramethyldisiloxane: Properties, Applications, and Safety Considerations

Bis(chloromethyl)tetramethyldisiloxane, also known as 1,3-Bis(chloromethyl)tetramethyldisiloxane, is a highly versatile organosilicon compound that finds numerous applications in various industries. This colorless liquid is synthesized by the reaction of chloromethyltrimethylsilane with sodium tetramethyldisiloxane. INNO SPECIALTY CHEMICALS, a leading manufacturer and supplier from China, produces high-quality bis(chloromethyl)tetramethyldisiloxane for a wide range of industrial applications.

Properties of Bis(chloromethyl)tetramethyldisiloxane

Bis(chloromethyl)tetramethyldisiloxane has a molecular formula of C8H22Cl2O2Si2 and a molecular weight of 265.34 g/mol. It has a boiling point of 205-206 °C, a flash point of 73 °C, and a density of 0.962 g/mL at 25 °C. It is soluble in organic solvents such as ethanol, ether, and benzene but is insoluble in water. Bis(chloromethyl)tetramethyldisiloxane is a reactive compound that can undergo various chemical reactions such as hydrolysis, polymerization, and condensation.

Applications of Bis(chloromethyl)tetramethyldisiloxane

Bis(chloromethyl)tetramethyldisiloxane finds various applications in the chemical, pharmaceutical, and electronic industries. One of its significant uses is as a crosslinking agent for silicone rubber. It reacts with hydroxyl-terminated polydimethylsiloxanes to form a three-dimensional network, which improves the mechanical and thermal properties of the rubber. Bis(chloromethyl)tetramethyldisiloxane is also a useful intermediate for the synthesis of other organosilicon compounds such as siloxane-based surfactants, silicone resins, and silsesquioxanes.

In the pharmaceutical industry, bis(chloromethyl)tetramethyldisiloxane is used as a building block for the synthesis of biologically active compounds such as antiviral agents, antimicrobial agents, and anticancer drugs. It has also found applications in electronic materials such as dielectric coatings and adhesives. Its reactivity towards various nucleophiles makes it a useful precursor for the functionalization of surfaces of semiconductors and other electronic materials.

Safety Considerations

Bis(chloromethyl)tetramethyldisiloxane is a hazardous chemical that requires proper handling and storage. It is toxic if ingested, inhaled or comes into contact with skin or eyes. It can cause severe irritation, burns, and respiratory problems. Therefore, it is necessary to wear appropriate protective equipment such as gloves, goggles, and respirators when working with bis(chloromethyl)tetramethyldisiloxane. It should be stored in a cool, dry, and well-ventilated area away from sources of ignition, heat, and direct sunlight.

Conclusion

Bis(chloromethyl)tetramethyldisiloxane is a highly versatile organosilicon compound that has found numerous applications in various industries. Its reactivity towards nucleophiles, and its ability to crosslink with silicone rubber, make it an essential intermediate for the synthesis of other organosilicon compounds. INNO SPECIALTY CHEMICALS, a leading manufacturer and supplier from China, produces high-quality bis(chloromethyl)tetramethyldisiloxane for a wide range of industrial applications. However, it is important to handle this compound with care and take necessary safety precautions due to its hazardous nature.

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