Silane | Silanes | Alkyl & Alkoxy Silanes | Surface Modifier | Hydrophobing Agents

SiSiB® PC5882

Synonym: Triethoxyoctadecylsilane

Chemical Structure


SiSiB® PC5882 is a long-chain alkyl silane. It is easy to be dissolved in ordinary organic solvent, e.g. hydrocarbon, ether, ketone, etc. It is easy to be hydrolyzed and condensed, generate polysiloxane.

Typical Physical Properties

Chemical Name: n-Octodecyltriethoxysilane
CAS No.: 7399-00-0
EINECS No.: 230-995-0
Empirical Formula: C24H52O3Si
Molecular Weight: 416.76
Boiling Point: 165°C [2mmHg]
Flash Point: 195°C
Color and Appearance: Colorless transparent liquid
Density [25°C]: 0.87
Refractive Index [25°C]: 1.4364[25°C]
Purity: 95% by GC


Coupling Agent
Mainly be used to deal with inorganic materials, e.g. glass, silica, Al2O3, Kaolin, pottery and porcelain, mica, SiC, talcum powder etc., in order to improve the property of blending with organic matter and water-proof, enhancing the mechanical property of the products.

Fog-proof Preparation of Glass
a) Protect blank glass and coated glass (optical antireflex coating, vacuum antireflex coating, reflective coating)
b) Protect optical parts or precision instrument with graduations and metal frames.

Protect Historical Relics or Other Products from Water
Protect historical relics (esp. outdoor historical relics) from corrosion, freeze or efflorescence.


Customized product packing is 100ml, 250ml, 500ml, 1L and 5L bottle. Industrialized product packing is 210L steel drum or 1000L IBC tote, for more details, please visit Packing Centre.

Technical Library

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