Tetraethyl orthosilicate Other names: Tetraethyl silicate Silicic acid tetraethyl ester Tetraethoxysilane Formula: C8H20O4Si CAS: 78-10-4 Weight: 208,33 g/mol Boiling point: 168 °C Melting point: -85,5 °C Density: 0,94 g/cm3