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    Qingdao Hengda New Material Technology Co., Ltd.

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    Qingdao International Innovation Park, Qingdao, Shandong Province, China

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    Gaizhou Hengda Chemicals Co., Ltd.

    Shandong Hengda Silicon Material Technology Co., Ltd.

HENGDA-M4132 - 3-Mercaptopropylmethyldimethoxysilane

HENGDA-M4132

3-Mercaptopropylmethyldimethoxysilane is another organosilane, characterized by its chemical structure which includes a three-carbon chain terminated with a thiol (-SH) group and attached to a silicon atom. In this specific compound, the silicon atom is bonded to a methyl group (-CH₃) and two methoxy groups (-OCH₃).
3-mercaptopropylmethyldimethoxysilane to serve as a coupling agent and surface modifier in various applications. Similar to other organosilanes, its primary role is to enhance the adhesion and compatibility between organic and inorganic materials. The methoxy groups (-OCH₃) are hydrolyzable, meaning they can react with water to form silanol groups (Si-OH), which then condense to form strong bonds with surfaces.

  • Chemical Name:

    3-Mercaptopropylmethyldimethoxysilane

  • CAS No.

    31001-77-1

Typical Properties

Appearance

Colorless transparent liquid

Purity(%)≥98%

Density(ρ20), g/cm³

0.980~1.080

Molecular Weight

180.34

Refractive Index(n²⁵D)

1.4320~1.4520


Applications

1. 3-Mercaptopropylmethyldimethoxysilane is used in epoxy resin, polyurethane, polyester, styrene-butadiene rubber and natural rubber, improves the performance of composite materials made of them. As reinforcement and crosslinking accelerator. It can be used on fiberglass, deep-set inks, glues and sealants.

2. Excellent protective properties for metal surfaces.

3. As fabric finishing agent, anti-shrinkage agent and raw material of hair care products, etc.


Packing

25kg, 200kg plastic or iron drum, IBC drum

HENGDA-M4132