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Divinyltetramethyldisiloxane

Catalog Number ACM2627954
CAS Number 2627-95-4
Structure
Description Tetramethyldivinyl disiloxane is an organic compound with the chemical formula C8H18OSi2 and the appearance of a colorless transparent liquid.
Synonyms 3,3,5,5-tetramethyl-3,5-disila-4-oxa-1,6-heptadiene;Divinyltetramethyldi;1,3-DIVINyltetraMETHYLDISILOXANE;Tetramethyldivinylsiloxane;Tetramethyl-1,3-divinyldisiloxane
IUPAC Name ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane
Molecular Weight 186.4 g/mol
Molecular Formula C8H18OSi2
Canonical SMILES C[Si](C)(C=C)O[Si](C)(C)C=C
InChI Key BITPLIXHRASDQB-UHFFFAOYSA-N
Boiling Point 139 °C
Melting Point -99.7ºC
Flash Point 24ºC
Purity 95%+
Density 0.813
Appearance Colorless liquid
Application Divinyltetramethyldisiloxane serves a crucial role as an additive in the manufacturing of various silicone-based products such as addition silicone rubber silicone gel liquid silicone vinyl silicone resin and vinyl silicone oil It is instrumental in enhancing the properties of these materials working as an intermediate that contributes to the effectiveness of their production processes Additionally Divinyltetramethyldisiloxane functions as a significant vinyl donor in cross-coupling and copolymerization reactions particularly involving aromatic ketones It is utilized as a diolefin ligand in complexes with d10-metal centers exhibiting a versatile ability to transition from π–π-bridging to chelating functions thereby forming stable compounds Furthermore it marks the beginning of the unsaturated polysiloxanes series with its complexes including those with Cu(I) being vital in creating thin copper films through thermal disproportionation
Storage Flammables area
EC Number 220-099-6
Exact Mass 186.09000
HS Code 2934999090
MDL Number MFCD00014933
Packaging In 20 Kg, and 160 Kg drum
Refractive Index 1.411-1.413
RTECS JM9235250
WGK Germany 2

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