Chemical Name: n-Octyltriethoxysilane

Chemical Name


Structural Formula


Physical Indicators

CAS NO: 2943-75-1 Density (20 ℃, g/cm3): 0.8740~0.8840 Boiling point: 98 ℃ (5 mm Hg) Flash point: 100 ℃ Refractive index (n25D): 1.4090~1.4190 Appearance: Colorless transparent liquid. Solubility: Soluble in alcohol, insoluble in water, hydrolyzable.


1. Widely used for waterproof and anti-seepage treatment of cement-based and natural stone surfaces, with excellent waterproof effects; 2. Used for surface treatment of various powders, especially titanium dioxide; 3. Used for the treatment of wear-resistant carbon black, it can significantly improve the dispersibility of white carbon black when used together with white carbon black in rubber; 4. As an additive to cement concrete, it can effectively improve the impermeability performance of cement buildings such as dams.


5kg/pot, 10kg/pot, 25 kg/barrel, 200kg/barrel, 1000kg/IBC, etc

Storage Conditions

Sealed, cool at room temperature, dry and ventilated, away from flames and heat sources


Request A Sample

If you are interested in our products, please leave your contact information, we will contact you as soon as possible, thank you!

Submit Application