• Silibase Product

    Silibase is one of the leading & professional manufacturers specialized in producing all kinds of SILICONE BASED new materials.

  • Silibase Technique

    Silibase technique team always focus on quality first and insist on developing new products.

  • Silibase Service

    Silibase people will serve you the best before and after sale.

Coupling Agent Silibase-6202

Item No.: Silibase-6202
Product Name: Coupling Agent, Silane Coupling Agent
The Corresponding Trademark: TEC,γ2
CAS NO.: 5089-70-3
EINECS: 225-805-6
Chemical Name: 3-Chloropropyltriethoxysilane
Molecular Formula:C9H21ClO3Si
Structural Formula :

Molecular Weight: 240.8
CAS No. : 5089-70-3

Physical Properties
Physical Form :
Transparent liquid
Color:Colorless or light yellow
Specific Gravity at 25/25℃:1.000
Boiling Point, ℃: 220
Refractive Index, nD 25℃ : 1.42
Flash Point, Pensky-Martens Closed Cup (1), ℃: 37.2


3-chloropropyltriethoxysilane (CAS NO.5089-70-3) is an important synthetic intermediate of silane coupling agent.
It can be used as a kind of rubber processing aid to couple inorganic filters in various halogenated rubbers to
improve physical and mechanical properties, such as neoprene, chlorobutyl rubber, chlorosulfonated polyethylene, etc.
This product can also be used to compose organosilicon compound with quaternary ammonium salt cations which
function as anti-mildew agent and deodorant. It has surfactivity and the functions of sterilizing, deodorizing and antistatic.

Packaging and Storage:
3-chloropropyltriethoxysilane is packed in IBC tank or ISO tank.
It is sealed and stored in cool and well ventilated place away from fire and water.

Copyright ©2011-2023 SILIBASE! All Rights Reserved.