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HomeProduct name listDivinyltetramethyldisiloxane

Divinyltetramethyldisiloxane

Synonym(s):1,1,3,3-Tetramethyl-1,3-divinyldisiloxane

  • CAS NO.:2627-95-4
  • Empirical Formula: C8H18OSi2
  • Molecular Weight: 186.4
  • MDL number: MFCD00014933
  • EINECS: 220-099-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-01 23:06:22
Divinyltetramethyldisiloxane Structural

What is Divinyltetramethyldisiloxane?

Chemical properties

Colorless or yellowish transparent liquid

The Uses of Divinyltetramethyldisiloxane

Divinyl tetramethyl disiloxane could be used as a additives(intermediates) in the production process of addition silicone rubber, silicone gel, liquid silicone, vinyl silicone resin, vinyl silicone oil, platinum chromium compound and others. POTENTIAL VINYL NUCLEOPHILE IN CROSS-COUPLING REACTIONS. 1,3-Divinyltetramethyldisiloxane acts as a potential vinyl donor used in cross-coupling reactions. It is also involved in the copolymerization reaction with aromatic ketones.

Flammability and Explosibility

Flammable

Properties and Applications

Divinyltetramethyldisiloxane (DVTMSO) could used as a diolefin ligand in the complexes with d10-metal centers (M). This is a rather labile ligand capable of changing the π–π-bridging function to the chelating one in the ligand exchange reactions to form a stable six-membered cycle, for example, Pd(0)(CH2=CH–Si)2O. In addition, DVTMSO is the first representative of the series of unsaturated polysiloxanes, whose complexes, including those with Cu(I), serve as precursors for producing thin copper films by thermal disproportionation[1].

References

[1] T. Duzak. “Tetragonal cubanoid Cu4X4 in the isostructural π-complexes with divinyltetramethyldisiloxane: [Cu4X4(C8H18OSi2) (X = Cl, Br).” Russian Journal of Coordination Chemistry 35 6 (2009): 416–421.

Properties of Divinyltetramethyldisiloxane

Melting point: -99 °C (lit.)
Boiling point: 139 °C (lit.)
Density  0.809 g/mL at 25 °C (lit.)
vapor pressure  17hPa at 25℃
refractive index  n20/D 1.411(lit.)
Flash point: 76 °F
storage temp.  Flammables area
form  liquid
Specific Gravity 0.811
color  colorless
Water Solubility  insoluble
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 1: no significant reaction with aqueous systems
BRN  1762585
CAS DataBase Reference 2627-95-4(CAS DataBase Reference)
NIST Chemistry Reference Disiloxane, 1,3-diethenyl-1,1,3,3-tetramethyl-(2627-95-4)
EPA Substance Registry System 1,3-Divinyl-1,1,3,3-tetramethyl disiloxane (2627-95-4)

Safety information for Divinyltetramethyldisiloxane

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
GHS Hazard Statements H225:Flammable liquids
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P370+P378:In case of fire: Use … for extinction.
P403+P235:Store in a well-ventilated place. Keep cool.
P501:Dispose of contents/container to..…

Computed Descriptors for Divinyltetramethyldisiloxane

InChIKey BITPLIXHRASDQB-UHFFFAOYSA-N

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