1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane(CAS: 56-33-7)

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7) is a colorless liquid with a high molecular weight of approximately 342.36 g/mol. It has a low solubility in water but is soluble in common organic solvents. The compound is relatively stable but reacts with strong bases and acids. It is often used as a precursor in organosilicon chemistry.

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7) is typically synthesized via the condensation of diphenyldichlorosilane with tetramethyldisiloxane, mediated by a base such as sodium hydride. The reaction involves the formation of a complex intermediate, followed by elimination of hydrogen chloride to yield the final product.

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7) is primarily used in the pharmaceutical industry for the synthesis of organosilicon compounds, in the polymer industry as a monomer, and in the semiconductor industry for silicon-based materials. It is also used in sensor technology and as a reagent in organic synthesis.

When handling 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7), wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Store the compound in a cool, dry place, away from direct sunlight. Use a fume hood when handling or using the compound. In case of spill, refer to the Safety Data Sheet (SDS) for specific instructions.