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

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1,1,3,3-Tetramethyl-1,3-divinyldisiloxane
(viSiMe2)2O.png
Names
Preferred IUPAC name
1,1,3,3-Tetramethyl-1,3-divinyldisiloxane
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.018.273 Edit this at Wikidata
EC Number
  • 220-099-6
UNII
  • InChI=1S/C8H18OSi2/c1-7-10(3,4)9-11(5,6)8-2/h7-8H,1-2H2,3-6H3
    Key: BITPLIXHRASDQB-UHFFFAOYSA-N
  • C[Si](C)(C=C)O[Si](C)(C)C=C
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 139 °C (282 °F; 412 K)
Hazards
GHS labelling:
GHS05: CorrosiveGHS07: Exclamation mark
Danger
H225, H226, H315, H319, H335, H413
P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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]

References[edit]

  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.