Methyltrimethoxysilane
| Chemical Name: | Methyltrimethoxysilane |
| Product Category: | Alkyl & Alkoxy Silanes | Silane Coupling Agent |
| Structural Formula: |  |
| CAS No.: | 1185-55-3 |
| EINECS: | 214-685-0 |
| Molecular Formula: | C4H12O3Si |
| Molecular Weight: | 136.05600 |
Methyltrimethoxysilane Description
Methyltrimethoxysilane, also known as Trimethoxy Methylsilane, is a colorless, transparent oily liquid widely used in various industrial applications.
Main Uses:
- Cross-linking agent for RTV silicone rubber, enhancing strength and durability.
- Surface treatment for glass fiber, reinforced plastics, and silica, improving adhesion.
- Raw material for silicone resin production.
- Filler treatment to enhance dispersion and performance.
This versatile silane compound improves material properties in coatings, adhesives, and composites.
| Equivalent Chemical Name | Silane, trimethoxymethyl-; TriMethoxy(Methyl)silane; nioncarbidea-163; Metyltrimethoxysilane; Methyltrimethoxysilane,AcroSeal; Methyltrimethoxysilane; Trimethoxymethylsila; Methyltrimethoxysilane in stock; |
| Physical Properties | Colorless transparent liquid |
| Dissolvability | Be soluble in organic solvents such as methanol, ethanol and ketones. It will hydrolyze and crosslink with water to produce methanol. |
| Density (20C;g / cm3) | 0.955 |
| Refractive index | 1.3650~1.3750 |
| Flash Point * (oF) | 11°C |
| Purity | 99% |
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| Uses | It is used as a cross-linking agent of room temperature vulcanized silicone rubber, a treating agent for glass fiber and reinforced plastic laminates, a treatingt agent for silica, and is also a raw material for preparing a silicone resin, and can also be used for treating various inorganic fillers. |
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Methyltrimethoxysilane: Guide
Methyltrimethoxysilane (MTMS) is a trifunctional organosilane coupling agent. Its three alkoxy groups enable hydrolysis, while the methyl group enhances organic compatibility.
Main Applications:
- Glass Fiber Treatment – Improves hydrophobicity, durability, and weather resistance.
- Plastic Laminate Surface Treatment – Adding 0.5%-4% MTMS enhances heat resistance, mechanical strength, electrical properties, and processability.
- Coatings, Adhesives, and Sealants – Improves adhesion and weather resistance.
