Highly reactive alkoxysilane with excellent hydrolytic stability under controlled conditions.
Provides strong covalent bonding between organic polymers and inorganic substrates (e.g., glass, metals, minerals).
Low viscosity and high purity enable uniform dispersion and efficient surface modification.
Enables moisture-curable crosslinking, enhancing durability and adhesion in ambient-cure systems.
Compatible with a broad range of resins including acrylics, epoxies, polyurethanes, and silicone elastomers.
Adhesion promoters in automotive sealants and structural adhesives.
Surface modifiers for silica fillers and pigments in coatings and composites.
Coupling agent in RTV silicone rubber formulations to improve filler-matrix interaction.
Hybrid sol-gel precursors for functionalized thin-film coatings and anti-corrosion primers.
Moisture-scavenging additive in moisture-sensitive polymer systems and electronic encapsulants.
| Chemical Type | Methyltrimethoxysilane (MTMS) |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow transparent liquid |
| Specific Gravity (25°C) | 0.94–0.96 g/cm³ |
| Refractive Index (25°C) | 1.372–1.378 |
| Boiling Point | 120–125°C (at 760 mmHg) |
| Flash Point (Tag Closed Cup) | 22–25°C |
| Storage Stability | Stable for ≥12 months in sealed containers at 5–30°C, protected from moisture |
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