n-Octyltriethoxysilane
| Chemical Name: | n-Octyltriethoxysilane |
| Product Category: | Long-chain Silanes | Silane Coupling Agent |
| Structural Formula: |  |
| CAS No.: | 2943-75-1 |
| EINECS: | 220-941-2 |
| Molecular Formula: | C₁₄H₃₂O₃Si |
| Molecular Weight: | 276.49 g/mol |
| Appearance: | Colorless to almost colorless liquid |
n-Octyltriethoxysilane Description
n-Octyltriethoxysilane (CAS 2943-75-1), also known as Triethoxyoctylsilane, is a colorless, oily solution mainly used as a defoaming agent in coatings. It is a monofunctional silane that modifies the surfaces of materials like glass, quartz sand, metal, and powder fillers, enhancing hydrophobic properties and improving compatibility with resins.
Besides coatings, n-Octyltriethoxysilane is widely used in the tire industry, footwear, and rubber products. It boosts water resistance and material performance, making it an essential additive for improving product quality in these sectors.
| Chemical Name | N-Octyltriethoxysilane |
| Equivalent Chemical Name | dynasylanocteo; n-octyltriethoxysilane; Triethoxy-n-octylsilane; Octyltriethoxysilane; Triethoxyoctylsilane; U-222;CH3(CH2)7Si(OEt)3; (octyl)triethoxysilane; |
| Boiling Point | 84-85°C at 0.5 mm Hg |
| Density | 0.88 g/mL at 25°C |
| Flash Point | 210°F |
| Refractive Index (nD20) | 1.417 |
| Solubility | Reacts with water; slightly soluble in acetonitrile and chloroform |
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n-Octyltriethoxysilane: Guide
Triethoxyoctylsilane 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.
