3-Glycidoxypropylmethyldiethoxysilane
| Chemical Name: | 3-Glycidoxypropylmethyl diethoxysilane |
| Alias: | 3-(2,3-Epoxypropoxypropyl) methyldiethoxysilane |
| Product Category: | CAS 2897-60-1 Epoxy Silane | Silanes |
| CAS NO.: | 2897-60-1 |
| Molecular formula: | C11H24O4Si |
| EINECS: | 220-780-8 |
| Molecular Weight: | 248.391 |
3-Glycidoxypropylmethyldiethoxysilane Description
3-Glycidoxypropylmethyldiethoxysilane (CAS 2897-60-1), also known as 3-(2,3-Epoxypropoxypropyl)methyldiethoxysilane, is a clear, colorless liquid. This organofunctional silane is widely used as a coupling agent for inorganic fillers such as powdered silica, glass, glass fibers, and ceramics. It forms strong bonds with a variety of polymers, including epoxy resins, melamine, phenolic resins, urethane resins, polystyrene plastics, acrylic sealants, butyl rubbers, and water-soluble polymers containing hydroxyl and/or amine groups.
| Chemical name | 3-Glycidoxypropylmethyldiethoxy silane |
| Synonyms | 3-(2,3-Epoxypropoxypropyl) methyldiethoxysilane |
| Product Category | Epoxy-Containing Silanes – Silane Coupling Agent |
| Density | 1.0±0.1 g/cm3 |
| Boiling Point | 284.7±20.0 °C at 760 mmHg |
| Melting Point | < 0ºC |
| Molecular Formula | C11H24O4Si |
| Molecular Weight | 248.391 |
| Flash Point | 100.2±22.2 °C |
| Exact Mass | 248.144379 |
| Psas | 40.22000 |
| Logp | 0.75 |
| Appearance Traits | colorless transparent liquid |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.440 |
| Storage Conditions | 2-8°C |
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3-Glycidoxypropylmethyldiethoxysilane : Guide
3-Glycidoxypropylmethyldiethoxysilane is an epoxy bifunctional organosilane with reactive epoxy groups and hydrolyzable ethoxymethylsilane groups. It acts as a storage-resistant, non-yellowing adhesion promoter, enhancing the physical properties of latex and water-based adhesives and sealant systems. When used as a crosslinker or adhesion promoter, it improves water resistance, wet bonding, and provides excellent storage stability.
Applications:
- Enhances dry and wet strength of cured composites reinforced with glass fiber untwisted roving.
- Improves wet electrical properties of epoxy encapsulation materials.
- Eliminates the need for separate primers in polysulfide and polyurethane sealants.
- Improves adhesion in waterborne acrylic sealants, urethane coatings, and epoxy coatings.
