Chemical Name: 3-Mercaptopropyltriethoxysilane

Chemical Name


Structural Formula


Physical Indicators

CAS NO: 14814-09-6 Product appearance: colorless transparent liquid Solubility: Soluble in most organic solvents, hydrolyzed in water Boiling point: 220 ℃ Density (20 ℃): 0.980-0.999 g/mL Flash point (closed cup): 88 ℃ Refractive index (nD25): 1.4300-1.4400


1. Commonly used for processing inorganic fillers such as silica and carbon black, it acts as an activator, coupling agent, crosslinking agent, and reinforcing agent in polymers such as rubber and silicone rubber; 2. It has excellent protective performance on metal surfaces. As a raw material for fabric finishing agents, anti shrinkage agents, and hair care products.


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

Storage Conditions

Cool, ventilated, and dry


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