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.
3-Mercaptopropylmethyldimethoxysilane
31001-77-1
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 |
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.
25kg, 200kg plastic or iron drum, IBC drum
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