CFS-740, 3-Mercaptopropyltrimethoxysilane, Cas No. 4420-74-0 - Co-Formula Manufacturer

Typical Properties of 3-Mercaptopropyltrimethoxysilane:

Chemical Name
3-Mercaptopropyltrimethoxysilane
Cas No
4420-74-0
Formula
C6H16O3SSi
Color
Colorless to light yellow
Appearance
Clear liquid
Purity
min 97%

Description of 3-Mercaptopropyltrimethoxysilane

CFS-740, 3-Mercaptopropyltrimethoxysilane is a functional silane with a hydrolysable methoxy group and a reactive mercapto group. Its bifunctionality allows CFS-740 to promote the adhesion between organic materials and inorganic substrates. CFS-740 is mainly used in tires and silicone rubbers as a surface modifier and an adhesion promoter. It is the equivalent of Momentive Silquest A-189 or ShinEtsu KBM-803. It is also known as KH-590 in Chinese market.
CFS-740, 3-Mercaptopropyltrimethoxysilane, Cas No. 4420-74-0 

Application of 3-Mercaptopropyltrimethoxysilane

CFS-740 is soluble in various solvents. It can be used as a primer in coatings and adhesives industries.
CFS-740 can improve mechanical and electrical properties of silicone rubbers and tires. 
CFS-740 can be used as an adhesion promoter and fillers/pigments modifier in coating and sealants industries.
CFS-740 can be used as a surface modifier and an adhesion promoter to prepare silylation surface treatment agents of metal. Other suitable inorganic substrates are glass, silica and kaolin.
CFS-740 can also be used as crosslinkers of organic polymers and resin additives.
CFS-740 can be used to produce finishing agent of textiles and fabrics.

 Packaging of 3-Mercaptopropyltrimethoxysilane

CFS-740 is offered in 25L PE pails, 200L PVF steel drums and 1000L IBC totes. 
Please contact Co-Formula team for any special packaging request.

Storage of 3-Mercaptopropyltrimethoxysilane

CFS-740 should be stored in a cool, well-ventilated place, and avoid exposure to humidity.
CFS-740 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-740 has a shelf life of 12months.
Co-Formula Mercapto Silanes Available
Trade Code
Chemical Name
CAS No.
Status
CFS-740
3-Mercaptopropyltrimethoxysilane
4420-74-0
Commercial
CFS-096
3-Mercaptopropyltriethoxysilane
14814-09-6
Commercial
CFS-771
3-Mercaptopropylmethyldimethoxysilane
31001-77-1
MTO
CFS-772
3-Mercaptopropylmethyldiethoxysilane
N/A
MTO
CFS-948
3-Mercaptomethyltrimethoxysilane
30817-94-8
MTO
CFS-4832
3-Mercaptomethyltriethoxysilane
60764-83-2
MTO

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