1,1,3,3-Tetramethyl-1,3-divinyldisiloxane

1,1,3,3-Tetramethyl-1,3-divinyldisiloxane is the organosilicon compound with the formula O(SiMe2CH=CH2)2 (Me = methyl). Usually referred to as tetramethyldivinyldisiloxane, it is a colorless liquid that is employed as a ligand in organometallic chemistry and homogeneous catalysis.[1] The ligand is a component of Karstedt's catalyst. Tetramethyldivinyldisiloxane was first prepared by hydrolysis of vinyldimethylmethoxysilane, (CH2=CH)Me2SiOMe.[2]

1,1,3,3-Tetramethyl-1,3-divinyldisiloxane
Names
IUPAC name
ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.018.273
EC Number
  • 220-099-6
UNII
Properties
C8H18OSi2
Molar mass 186.401 g·mol−1
Appearance colorless liquid
Density 0.811 g/cm3
Melting point −99.7 °C (−147.5 °F; 173.5 K)
Boiling point 39 °C (102 °F; 312 K)
Hazards
GHS pictograms
GHS Signal word Danger
H225, H226, H315, H319, H335, H413
P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P302+352, P303+361+353, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P370+378, P403+233, P403+235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References

  1. Krause, Jochen; Cestaric, Günter; Haack, Karl-Josef; Seevogel, Klaus; Storm, Werner; Pörschke, Klaus-Richard (1999). "1,6-Diene Complexes of Palladium(0) and Platinum(0): Highly Reactive Sources for the Naked Metals and [L−M0] Fragments". Journal of the American Chemical Society. 121 (42): 9807–9823. doi:10.1021/ja983939h.
  2. Kantor, Simon W.; Osthoff, Robert C.; Hurd, Dallas T. (1955). "Methylvinylpolysiloxanes". Journal of the American Chemical Society. 77 (6): 1685–1687. doi:10.1021/ja01611a090.
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