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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.
Boiling Point: 41-2°
EINECS Number: 200-877-1
Melting Point: -93°
Molecular Weight: 115.03
Specific Gravity: 1.1047
Flashpoint: -28°C (-18°F)
HMIS Key: 4-4-2-X
Hydrolytic Sensitivity: 8: reacts rapidly with moisture, water, protic solvents
Refractive Index: 1.4222
Additional Properties: 230Dipole moment: 1.91 debye?Hcomb: 39 kcal/moleCritical temperature: 215-8°Critical pressure: 37.7 atm?Hvap: 7.0 kcal/moleSpecific heat: 0.2 cal/g°Coefficient of thermal expansion: 1.0 x 10-3Undergoes hydrosilylation reactionsVapor pressure, 24°: 400 mm