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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
Boiling Point: 6.7°
EINECS Number: 213-603-0
Melting Point: -135.9°
Molecular Weight: 74.20
Alternative Name: 3MS
Specific Gravity: 0.638
HMIS Key: 2-4-1-X
Hydrolytic Sensitivity: 3: reacts with aqueous base
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: 320Dipole moment: 0.52 debye?Hcomb: -766 kcal/moleCritical temperature: 158.85°C?Hform: -39 kcal/moleCritical pressure: 31.48 atm?Hvap: 5.8 kcal/moleForms trimethylsilylalkanes from olefins w/Pt catalystVapor pressure, 25°: 1,218 mm