Chemical Name: n-Dodecyltrimethoxysilane

Chemical Name


Structural Formula


Physical Indicators

CAS NO: 3069-21-4 Density (20 ℃, g/cm3): 0.8850~0.8950 Boiling point: 284.9 ℃ Flash point: 108.6 ℃ Refractive index (n25D): 1.4220~1.4320 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 thermal conductive powders, which can effectively improve thermal conductivity efficiency; 3. As an additive to cement concrete, it can effectively improve the impermeability 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


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