N-Dodecyltrimethoxysilane
| Chemical Name: | n-Dodecyltrimethoxysilane |
| Product Category: | Long-chain Silanes | Silane Coupling Agent |
| Structural Formula: |  |
| CAS No.: | 3069-21-4 |
| EINECS: | 221-332-4 |
| Molecular Formula: | C₁₅H₃₄O₃Si |
| Molecular Weight: | 290.51 g/mol |
| Appearance: | Colorless to pale yellow transparent liquid |
N-Dodecyltrimethoxysilane Description
N-Dodecyltrimethoxysilane (CAS 3069-21-4) is a colorless, transparent liquid, known for its excellent reactivity with minerals when exposed to moisture. This monomeric alkylalkoxysilane deeply penetrates substrates, forming a durable protective surface around each microscopic particle, significantly enhancing weather resistance. It dissolves easily in organic solvents to create clear, stable solutions.
Product Applications
- Improves water resistance and bonding between inorganic fillers (e.g., glass, silica, kaolin, mica, talc powder) and organic materials (e.g., plastic, rubber, adhesives), enhancing mechanical properties.
- Protects blank and coated glass (including optical anti-reflective coatings, vacuum AR coatings, and reflective coatings).
- Shields optical components and precise equipment with metal frames or graduations.
- Protects outdoor historical relics from corrosion, freeze damage, and efflorescence.
| Chemical name | N-Dodecyltrimethoxysilane |
| Synonyms | 1-(Trimethoxysilyl)dodecane, Lauryltrimethoxysilane |
| Melting point | -40°C |
| Boiling point | 118°C at 1.7 mmHg |
| Density | 0.8870-0.8910 g/mL at 25°C |
| refractive index | 1.430 at 25°C |
| Flash Point | 108.6°C |
| Specific Gravity | 0.89 |
| Solubility | Soluble in organic solvents (e.g., hydrocarbons, ethers, ketones); insoluble in water |
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| Purity | 96% Min |
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N-Dodecyltrimethoxysilane: Guide
Dodecyltrimethoxysilane is integral in applications requiring surface modification to enhance hydrophobicity and adhesion properties. Its ability to form durable, hydrophobic layers makes it invaluable across various industries, including coatings, electronics, textiles, and construction.
Key Benefits:
- Imparts hydrophobic properties to treated surfaces.
- Enhances adhesion between organic and inorganic materials.
- Improves durability of coatings and treated materials.
- Versatile applications across multiple industries.
