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Product Code: SIM6504.0

Cas No: 75-54-7

20 kg
2 kg
750 g
25 g
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.

Methyldichlorosilane; Dichloromethylsilane
  • Viscosity: 0.60 cSt
  • ΔHcomb: 163 kJ/mol
  • ΔHvap: 29.3 kJ/mol
  • Dipole moment: 1.91 debye
  • Coefficient of thermal expansion: 1.0 x 10-3
  • Specific heat: 0.8 J/g/°C
  • Vapor pressure, 24 °C: 400 mm
  • Critical temperature: 215-8 °C
  • Critical pressure: 37.7 atm
  • Provides better diastereoselective reductive aldol reaction between an aldehyde and an acrylate ester than other silanes
  • Forms high-boiling polymeric by-products upon aqueous work-up
  • 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: 200-877-1

    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

    Formula: CH4Cl2Si


    Refractive Index: 1.4222

    Additional Properties: 230
    Dipole moment: 1.91 debye
    ?Hcomb: 39 kcal/mole
    37.7 atm
    ?Hvap: 7.0 kcal/mole
    Specific heat: 0.2 cal/g°
    Coefficient of thermal expansion: 1.0 x 10-3
    Undergoes hydrosilylation reactions