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]
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IUPAC name
ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane | |
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.018.273 |
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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). | |
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References
- 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.
- 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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