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CFS-626, Dimethyldiethoxysilane, Cas No. 78-62-6

Dimethyldiethoxysilane Typtical Properties:

Chemical Name


Cas No







Clear liquid


min 99%


Dimethyldiethoxysilane Description

CFS-626, Dimethyldiethoxysilane or Diethoxydimethylsilane is a monomeric alkoxy silane with two ethyl groups. It is well-known as the equivalent of ShinEtsu KBE-22.

Dimethyldiethoxysilane Application

CFS-626 can be used as a structure control agent and a chain extender for the preparation of silicone rubbers. It can improve the mechanical properties and extend the shelf life of the rubbers.
CFS-626 can be used as an important material for the synthesis of silicone oils, silicone resins and other organosilicon products.
CFS-626 can be used as a crosslinker of RTV silicone rubbers.
CFS-626 can be used treat silica and act as a surface modifier for the treatment of inorganic fillers, pigments and glass.

Dimethyldiethoxysilane Packaging

CFS-626 is offered in 25L PE pails, 200L PVF steel drums and 1000L IBC totes.
Please contact Co-Formula team for any special packaging request.

Dimethyldiethoxysilane Storage

CFS-626 is a highly flammable liquid. It should be stored in a cool, well-ventilated place, and avoid exposure to humidity.
CFS-626 should be stored in its original containers and used up as soon as possible after opening.
When stored in a strictly sealed and unopened container, CFS-626 has a shelf life of 12months.
Keywords about Co-Formula
ISO9000 & ISO14000 Certified Manufacturer of Organic Silicone Materials;
Professional manufacturer and supplier of silane coupling agents;
Specialized in silicone oils and silane modified polymers;
Leading producer of specialty functional silanes & siloxanes;

Keywords about Co-Formula Products
Isocyanate Silanes | Amino Silanes | Mercapto Silanes | Epoxy Silanes | Vinyl Silanes |
Phenyl Silanes | Chloro Silanes | Alkyl & Alkoxy Silanes | Long-chain Silanes |
Crosslinkers & Silazanes | Fluoro Silanes | Methacryloxy Silanes | Silane Intermediates|
Methyl Silicone Fluid | Cyclic & Dual-end Siloxanes | Silane Modified Polymers |  
Functional Silanes Oligomers | Coating Additives | Plastic Additives
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