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Structure of 56-33-7
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This disiloxane features two phenyl rings flanking a Si–O–Si backbone, offering enhanced thermal stability and steric protection. The tetramethyl substitution minimizes reactivity while improving solubility in nonpolar solvents. It serves as a robust scaffold in organosilicon synthesis and silicone polymer modification, enabling controlled functionalization under mild conditions.
1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane serves as a stable, bench-friendly silylating agent that facilitates the protection of alcohols and carboxylic acids under mild conditions. Its steric bulk enhances selectivity and minimizes side reactions, while the diphenylsilyl moiety enables efficient removal with fluoride sources. The compound offers excellent functional group tolerance and simplifies purification in complex synthetic sequences.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: