Mercapto Silane Crosile® 189

Chemical Name

3- Mercaptopropyltrimethoxysilane

Formula

C6H16O3SSi

CAS NO.

4420-74-0

Chemical Structure

Chemical Properties

Silane Coupling Agent Crosile® 189 is a colorless clear liquid with light typical odor and easily soluble in ethyl alcohol, acetone, benzene, toluene etc. Insoluble in water.

Crosile® 189 is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group.

Synonyms

r-Mercaptopropyltrimethoxysilane, (3-Mercaptopropyl)methyldimethoxysilane,3-Mecaptopropylmethyldimethoxysilane,3-[Dimethoxy(Methyl)Silyl]Propane-1-Thiol, Mercaptopropyl methyl dimethoxy silan, γ-Mercaptopropyl)methyldimethoxysilane,

Specifications

Properties	Units	Target Values (Spec, Limits)
Crosile® 189 Content	%(wt)	≥97.0%
Alcohol Content	%(wt.)	≤2.0%
Specific Gravity (25°C)		1.020 -1.060
Refractive Index (25°C)		1.440-1.445

Application

Silane Coupling Agent Crosile® 189 a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group Improve properties as below:

* Compression set

* Improved mechanical properties

* Improved moisture and corrosion resistance

* Improved electrical properties

* Increased thermal resistance

1. Metal Surface Treatment: Silane coupling agent Crosile® 189 has special effect on the metal surface rust inhibitor. With its thiol functional group, it can strengthen the surface corrosion resistance and oxidation resistance and increase the adhesion with resin, when face gold, silver and copper surface processing.

2. In rubber industry, it’s been used in dispose inorganic filler such as white carbon black, carbon black, glass fiber, mica, which can enhance rubber mechanical property and abrasion resistance.

3. It’s also available for shrink resistant finish in spinning.

Packaging And Transportation

Packing:

25 kg /drum, it loads 16 MT/ 20 FCL with pallet

200 kg /drum, it loads 16 MT/20 FCL with pallet

1000 kg in plastic drum, 21.2 MT/20 FCL with pallet.

Storage:

Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

Shelf life:

One year in ventilating, cool and dry area.

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