N-Butyltriethoxy Silane(CAS 4781-99-1)
| Purity | Grade | Package | Stock | Price | Quantity |
| 95% | RG | 1G | In Stock | 4 USD
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| 95% | RG | 5G | In Stock | 8 USD
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| 95% | RG | 25G | In Stock | 20 USD
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| 95% | RG | 100G | In Stock | 115 USD
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| Bulk Packaging | 5KG | substantially lower unit cost than small-pack SKUs. Contact us for a fast quotation. | |||
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Your region is eligible for ordering. Available NMR Spectrum
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Applications of 4781-99-1
| Industry | Application | Process |
|---|---|---|
| Coatings & Surface Treatment | Acts as a coupling agent to improve coating adhesion to inorganic substrates (e.g., glass, metals, minerals) | Added to coating formulations; forms a chemically bonded layer on the substrate surface via hydrolysis and condensation reactions |
| Composites | Enhances interfacial compatibility between inorganic fillers (e.g., silica, calcium carbonate) and organic polymer matrices | Applied as a filler surface pretreatment or directly incorporated into the resin system; reacts with surface hydroxyl groups after hydrolysis |
| Adhesives & Sealants | Increases bond strength and resistance to hot-humidity aging | Functions as an additive in crosslinking network formation to strengthen interfacial adhesion |
| Textile Finishing | Imparts hydrophobicity, soil resistance, and abrasion resistance to fabrics | Applied via immersion or spraying, followed by curing to form an organosilicon protective film on fiber surfaces |
| Electronic Encapsulation | Improves bonding reliability of encapsulants (e.g., epoxy resins) to inorganic components such as silicon wafers and ceramics | Used as a primer or blended component to promote interfacial chemical bonding |
| Rubber Industry | Improves dispersion and bonding efficiency of reinforcing fillers (e.g., precipitated silica) in rubber | Applied for surface modification of fillers prior to compounding |
Physical and chemical properties of 4781-99-1
Boiling Point |
180.1±8.0 °C at 760 mmHg |
|---|---|
Density |
0.9±0.1 g/cm3 |
Exact Mass |
220.149475 |
Flash Point |
69.6±21.3 °C |
H Bond Acceptors |
3 |
H Bond Donors |
0 |
Index of Refraction |
1.416 |
LogP |
3.32 |
Molecular Formula |
C10H24O3Si |
Molecular Weight |
220.381 |
PSA |
27.69000 |
Vapour Pressure |
1.2±0.3 mmHg at 25°C |
Spectrums of 4781-99-1
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 4781-99-1
Cas:693-03-8
Cas:78-10-4
Cas:109-69-3
Cas:693-04-9
Q&A for CAS 4781-99-1
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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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
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7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
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.
11. Do you support long-term supply agreements?
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 4781-99-1
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H315 Causes skin irritation H319 Causes serious eye irritation |
Safety Data Sheet |
Download COA of 4781-99-1
Operate under the ISO 9001 system
