993-07-7

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TRIMETHYLSILANE

Product Code: SIT8570.0

Cas No: 993-07-7

1 kg
$1,880.00
100 g
$350.00
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Tri-substituted Silane Reducing Agent

Organosilanes are hydrocarbon-like and possess the ability to serve as both ionic and free-radical reducing agents. These reagents and their reaction by-products are safer and more easily handled and disposed than many other reducing agents. The metallic nature of silicon and its low electronegativity relative to hydrogen lead to polarization of the Si-H bond yielding a hydridic hydrogen and a milder reducing agent compared to aluminum-, boron-, and other metal-based hydrides. A summary of some key silane reductions are presented in Table 1 of the Silicon-Based Reducing Agents brochure.

Trimethylsilane, 3MS; 2-Methyl-2-silapropane; Trimethylsilylhydride
  • ΔHcomb: -3,206 kJ/mol
  • ΔHform: -163 kJ/mol
  • ΔHvap: 24.3 kJ/mol
  • Dipole moment: 0.52 debye
  • Vapor pressure, 25 °C: 1,218 mm
  • Critical temperature: 158.85 °C
  • Critical pressure: 31.48 atm
  • Potential reducing agent that will produce low boiling hexamethyldisiloxane by-product
  • Extensive review of silicon based reducing agents: Larson, G.; Fry, J. L. "Ionic and Organometallic-Catalyzed Organosilane Reductions", Wipf, P., Ed.; Wiley, 2007

    • EINECS Number: 213-603-0

    Alternative Name: 3MS

    Specific Gravity: 0.638

    HMIS Key: 2-4-1-X

    Hydrolytic Sensitivity: 3: reacts with aqueous base

    Formula: C3H10Si

    TSCA: TSCA

    Application: Employed in plasma treatment of surfaces.1
    Treatment of titanium alloys and stainless steel surfaces inhibits biofilm formation.2

    Reference: 1. Hendricks, N. et al. Semiconductor Int'l. 2000, 23, 95.
    2. Ma, Y. et al. Antimicrob. Agents Chemother. 2012, 56, 5923.

    Fieser: F&F: Vol. 1, p 1235; Vol. 2, p 441; Vol. 13, p 101; Vol. 16, p 292.

    Additional Properties: 320
    Dipole moment: 0.52 debye
    ?Hcomb: -766 kcal/mole
    158.85°C
    ?Hform: -39 kcal/mole
    31.48 atm
    ?Hvap: 5.8 kcal/mole
    Forms trimethylsilylalkanes from olefins w/Pt catalyst