Silane sih4 Cas no.: 7803-62-5 Einecs no.: 232-263-4 Un no.: un2203 Purity: 99.99%-99.9999% Dot class: 2.1 Appearance: colorless Grade standard: industrial grade, electronic grade, solar grade Electronic: Silane is applied to polycrystalline silicon layers on silicon wafers when manufacturing semiconductors, and sealants. Solar: Silane is used in solar photovoltaic module manufacturing. Industrial: It is used in energy-saving green glass and applied to vapor deposition thin film process.