Chemical Name: n-Propyltrimethoxysilane

Chemical Name


Structural Formula


Physical Indicators

CAS NO: 1067-25-0 Density (20 ℃, g/cm3): 0.9330~0.9430 Boiling point: 142 ℃ Flash point: 40.6 ℃ Refractive index (n25D): 1.3860~1.3960 Appearance: Colorless transparent liquid. Solubility: Soluble in alcohol, insoluble in water, hydrolyzable.


1. Used as a crosslinking agent for room temperature vulcanized silicone rubber; 2. Improving the waterproofing of glass fiber products and surface treatment of inorganic flame retardants and fillers can improve their dispersion performance; 3. Used for surface treatment of stone and cement-based materials, it can improve waterproofing and stain resistance.


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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