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Silyl Hydrides are a distinct class of silanes that behave and react very differently than conventional silane coupling agents. They react with the liberation of byproduct hydrogen. Silyl hydrides can react with hydroxylic surfaces under both non-catalyzed and catalyzed conditions by a dehydrogenative coupling mechanism. Trihydridosilanes react with a variety of pure metal surfaces including gold, titanium, zirconium and amorphous silicon, by a dissociative adsorption mechanism. The reactions generally take place at room temperature and can be conducted in the vapor phase or with the pure silane or solutions of the silane in aprotic solvents. Deposition should not be conducted in water, alcohol or protic solvents.
Boiling Point: 69-71°
Molecular Weight: 94.61
Specific Gravity: 0.904
HMIS Key: 3-4-1-X
Hydrolytic Sensitivity: 3: reacts with aqueous base
Refractive Index: 1.4232
Application: Intermediate for H3SiCl; employed in CVD of SiN.1
Reference: 1. Arkles, B. et al. U.S. Patent 5,968,611, 1999.