Chemical Name: n-Octadecylmethyldichlorosilane

Chemical Name


Structural Formula


Physical Indicators

CAS NO.: 5157-75-5 Density (25 ° C), g/cm3: 0.92 Boiling point: 382 ° C Flash point: 176.7 ° C Refractive index (nD20): 1.454 Appearance: Colorless and light yellow transparent liquid Solubility: Soluble in carbon disulfide, carbon tetrachloride, chloroform, benzene, etc. Hydrolysis occurs when exposed to water and moisture, while alcoholysis occurs when exposed to alcohol


1. Mainly used as a raw material for the production of silane coupling agent octadecylmethyldialoxysilane; 2. Used for surface treatment and modification of siliceous substrates; 3. Used for the preparation of ultra long chain alkyl silicone oil.


5KG, 10KG, 25KG, 210L plastic bucket or 1000L IBC bucket

Storage Conditions

Sealed and stored in a cool, dry and ventilated place, moisture-proof and waterproof, away from sparks and heat sources


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