Silane is a colorless , high pressure gas, transparent gas, heavier than air. It is odorless when greatly diluted, but extremely noxious when concentrated, with a sharp, repulsive smell, somewhat similar to that of acetic acid. In the semiconductor industry, silane is used for: Silanes are useful for several industrial and medical applications. Silane gas is used for a wide range of applications, including electronics applications such as semiconductor insulation coating and epitaxial coating, optical fibers, and chemical applications such as fine ceramics. Ankur Gases provide Silane Gas with purity 99.9999% for your medical & industrial applications.