| Chemical Name: | 3-Isocyanatopropyltrimethoxy silane |
| Product Category: | Other Silane | Silanes |
| Alias: | Trimethoxy(3-isocyanotopropyl)silane; 3-(Trimethoxysilyl)propyl isocyanate |
| Structural Formula: |  |
| CAS NO.: | 15396-00-6 |
| EINECS: | 239-415-9 |
| Molecular Formula: | C7H15NO4Si |
| Molecular Weight: | 205.28 |
3-Isocyanatopropyltrimethoxysilane (CAS 15396-00-6) is a colorless, transparent liquid silane with isocyanate-based functional groups. This product is used as a crosslinker and tackifier in adhesives and sealants.
| Chemical Name | 3-Isocyanatopropyltrimethoxysilane |
| Synonyms | CFS-006; Isocyananto silane; Co-Formula CFS-006; Silquest A-Link 35; 3-(trimethoxysilyl)propyl isocyanate; (3-Isocyanatopropyl)-trimethoxysilane |
| Appearance | colorless transparent liquid |
| Density | 1,084 g/cm3 |
| Melting Point | <0°C |
| Boiling Point | 95-98°C 10mm |
| Flash Point | 108°C |
| Water Soluble | 1000g/L at 20℃ |
| Vapor Pressure | 0-12790Pa at 20-25℃ |
| Refractive Index | 1.421 |
| Storage Conditions | Room Temprature |
| Sensitivity | 7: reacts slowly with moisture/water |
| Proportion | 1.073 |
| LogP | -4–0.82 at 20℃ |
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3-isocyanatopropyltrimethoxysilane adheres to a wide variety of substrates, common and uncommon; outstanding wet adhesion properties on glass, metal and other inorganic substrates; also adheres well to difficult substrates such as nylon and other plastic products.Rapidly hydrolyzable in the presence of atmospheric humidity and has good thermal, chemical and UV stability.
Areas of application
Used to promote adhesion and enhance dispersion of fillers in coatings and sealants.
Used as coupling agent to improve mechanical and chemical properties of composite materials.
Resin modifiers in silane-terminated polymers/MS polymers and methylsilane-modified polyurethane polymers/SPUR polymers.
Used as crosslinking agent for RTV to enhance adhesion of rubber to substrate.
