Trimethoxyoctylsilane(CAS 3069-40-7)
UN No.:
UN 2924
| Purity | Grade | Package | Stock | Price | Quantity |
| 97% | RG | 5G | In Stock | 3 USD
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| 97% | RG | 25G | In Stock | 4 USD
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| 97% | RG | 100G | In Stock | 7 USD
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| 97% | RG | 500G | In Stock | 21 USD
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| 97% | RG | 2.5KG | In Stock | 163 USD
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| 97% | RG | 10KG | In Stock | 619 USD
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Applications of 3069-40-7
| Industry | Application | Process |
|---|---|---|
| Coatings & Inks | Used as an adhesion promoter to enhance bonding of coatings to inorganic substrates such as glass and metals | Added at 0.5–2% octyltrimethoxysilane into coating formulations; forms interfacial chemical bonds via hydrolysis and condensation reactions |
| Adhesives & Sealants | Improves interfacial compatibility between organic polymers and inorganic fillers or substrates | Applied as a primer treatment or directly incorporated into adhesive systems; undergoes hydrolysis and reacts with surface hydroxyl groups upon exposure to moisture |
| Composites | Used as a surface treatment agent for glass fibers and mineral fillers to improve bonding with resin matrices | Fillers are immersed in an ethanol/water solution containing 0.5–1.5% silane, then dried prior to composite fabrication |
| Construction Materials | Enhances water repellency and durability of construction materials such as concrete and stone | Diluted solutions (typically 1–5%) are applied by spraying or immersion to form a hydrophobic protective layer |
| Electronic Encapsulation | Functions as a coupling agent in epoxy molding compounds or potting compounds to strengthen adhesion to metal lead frames or ceramic substrates | Incorporated during the mixing stage of encapsulation materials; achieves interfacial chemical bonding during curing |
| Nanomaterials | Used for surface modification of nanoparticles (e.g., silica) to impart hydrophobicity and dispersion stability in organic media | Octyl chains are introduced via sol-gel processing or direct surface grafting during post-synthesis treatment of nanoparticles |
Physical and chemical properties of 3069-40-7
Boiling Point |
191.5±8.0 °C at 760 mmHg |
|---|---|
BRN |
1926957 |
Density |
0.9±0.1 g/cm3 |
Exact Mass |
234.165115 |
Flash Point |
102.2±0.0 °C |
Index of Refraction |
1.419 |
LogP |
3.86 |
Melting Point |
-66°C |
Molecular Formula |
C11H26O3Si |
Molecular Weight |
234.408 |
PSA |
27.69000 |
Sensitivity |
Moisture Sensitive |
Solubility |
Soluble in common non-polar organic solvent. |
Storage condition |
Keep in dark place,Inert atmosphere,Room temperature |
Vapour Pressure |
0.7±0.4 mmHg at 25°C |
Water Solubility |
59-1000g/L at 20℃ |
Spectrums of 3069-40-7
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 3069-40-7
Cas:5283-66-9
Cas:67-56-1
Cas:111-66-0
Cas:2487-90-3
Q&A for CAS 3069-40-7
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 3069-40-7
Pictograms |
 |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H315 Causes skin irritation H331 Toxic if inhaled H332 Harmful if inhaled |
Safety Data Sheet |
Download COA of 3069-40-7
Operate under the ISO 9001 system
