Dodecyltriethoxysilane
Dodecyltriethoxysilane (CAS: 18536-91-9), with the molecular formula C18H40O3Si, is a versatile organosilicon compound. It is primarily utilised as a coupling agent and surface modifier. Its unique structure allows it to bond with both organic and inorganic materials, making it valuable in enhancing adhesion, hydrophobicity, and compatibility in various composite materials and coatings.
Surface Modification
This silane can be used to modify the surfaces of inorganic fillers and substrates, improving their compatibility with organic polymers and resins. This leads to enhanced mechanical properties in composite materials.
Adhesion Promoter
Dodecyltriethoxysilane acts as an effective adhesion promoter between dissimilar materials, such as glass, metal, and polymers. It is often incorporated into primers or coatings to improve bond strength and durability.
Hydrophobic Coatings
The long alkyl chain in dodecyltriethoxysilane imparts hydrophobic properties when applied to surfaces. This can be leveraged in the development of water-repellent coatings for various applications.
Chemical Synthesis Intermediate
As an organosilicon compound, it serves as a valuable intermediate in various chemical synthesis pathways, particularly in the development of novel materials and functionalised molecules.
| Molecular weight | 332.59 |
|---|---|
| Empirical formula | C18H40O3Si |
| Grade | technical |
| Density | 0.875 g/mL at 20 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Dodecyltriethoxysilane used for?
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Dodecyltriethoxysilane (CAS: 18536-91-9) is used for surface modification, as an adhesion promoter, in the creation of hydrophobic coatings, and as an intermediate in chemical synthesis.
What are the CAS number and formula for Dodecyltriethoxysilane?
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The CAS number for Dodecyltriethoxysilane is 18536-91-9 and its molecular formula is C18H40O3Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dodecyltriethoxysilane in a technical grade. We do not represent this product as USP, BP, EP, or any other pharmacopoeia standard.
How should Dodecyltriethoxysilane be handled safely?
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Dodecyltriethoxysilane is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be used, and handling should occur in a well-ventilated area or with respiratory protection.
How is Dodecyltriethoxysilane packed, shipped, and exported?
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Dodecyltriethoxysilane is carefully packed according to international shipping regulations and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Dodecyltriethoxysilane?
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To request a sample or obtain a quote for Dodecyltriethoxysilane, please contact our sales team via the website or direct email.
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