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Thermo Scientific Chemicals
Pentamethyldisiloxane, 95%
CAS: 1438-82-0 | C5H15OSi2 | 147.344 g/mol
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化學識別
CAS1438-82-0
IUPAC Namedimethyl[(trimethylsilyl)oxy]silyl
Molecular FormulaC5H15OSi2
InChI KeyXUKFPAQLGOOCNJ-UHFFFAOYSA-N
SMILESC[Si](C)O[Si](C)(C)C
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規格
規格表
規格表Appearance (Color)Clear colorless
FormLiquid
Refractive Index1.3710-1.3770 @ 20?C
Assay (GC)≥94.0%
Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.
Solubility
Not miscible or difficult to mix in water.
Notes
It is sensitive to moisture. Keep container tightly closed in a dry and well-ventilated place. Store under dry inert gas. Incompatible with oxidizing agents.
Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.
Solubility
Not miscible or difficult to mix in water.
Notes
It is sensitive to moisture. Keep container tightly closed in a dry and well-ventilated place. Store under dry inert gas. Incompatible with oxidizing agents.
RUO – Research Use Only
General References:
- Tao Pei.; Ross A. Widenhoefer. Use of Pentamethyldisiloxane in the Palladium-Catalyzed Cyclization/Hydrosilylation of Functionalized Dienes. Org. Lett. 2000, 2 (10), 1469-1471.
- Carles, S.; Le Garrec, J. L.; Mitchell, J. B. Electron and ion reactions with hexamethyldisiloxane and pentamethyldisiloxane. The Journal of chemical physics. 2007, 127 (4), 144308-144308.