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

3-Mercaptopropyltrimethoxysilane Typtical Properties:

Chemical Name

3-Mercaptopropyltrimethoxysilane

Cas No

4420-74-0

Formula

C6H16O3SSi

Color

Colorless to light yellow

Appearance

Clear liquid

Purity

min 97%

3-Mercaptopropyltrimethoxysilane

3-Mercaptopropyltrimethoxysilane Description

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.

3-Mercaptopropyltrimethoxysilane Application

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.

3-Mercaptopropyltrimethoxysilane Packaging

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.

3-Mercaptopropyltrimethoxysilane Storage

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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