Triacetoxy(methyl)silane
90%
Reagent
Code: #56590
Alias
Methyltriacetoxysilane
CAS Number
4253-34-3
science Other reagents with same CAS 4253-34-3
blur_circular Chemical Specifications
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Molecular Information
Weight
220.25 g/mol
Formula
C₇H₁₂O₆Si
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Registry Numbers
EC Number
224-221-9
MDL Number
MFCD00008694
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Physical Properties
Melting Point
40-45 °C(lit.)
Boiling Point
94-95 °C9 mm Hg(lit.)
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Storage & Handling
Density
1.20 g/mL at 20 °C(lit.)
Storage
room temperature, dry
description Product Description
Triacetoxy(methyl)silane is widely used as a crosslinking agent in silicone-based sealants and adhesives. It enhances the durability and water resistance of these materials, making it suitable for construction and automotive applications. The compound is also employed as a surface modifier to improve the adhesion of coatings and paints on various substrates, including glass, metal, and ceramics. In addition, it acts as a moisture scavenger in polyurethane and other moisture-sensitive systems, preventing premature curing and ensuring product stability. Its versatility makes it valuable in industries requiring strong, weather-resistant, and long-lasting materials.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Purity (GC) | 90-100% |
| Appearance | White solid or colorless liquid |
| Proton NMR Spectrum | Conforms to Structure |
| Note | Low melting point solid; may change state in different environments (solid, liquid, or semi-solid) |
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