Tetrabutyl Orthosilicate(CAS 4766-57-8)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 5G | In Stock | 4 USD
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| 98% | RG | 25G | In Stock | 12 USD
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| 98% | RG | 100G | In Stock | 31 USD
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| 98% | RG | 500G | In Stock | 151 USD
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| 98% | RG | 2.5KG | In Stock | 1148 USD
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Your region is eligible for ordering. Available NMR Spectrum
Verified In Stock
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Applications of 4766-57-8
| Industry | Application | Process |
|---|---|---|
| Coatings & Paints | Used as a binder and crosslinker in corrosion-resistant and high-temperature coatings | Hydrolyzed and condensed via the sol-gel process to form a silica network, enhancing coating hardness and adhesion |
| Construction Materials | Applied in concrete sealers, waterproofing agents, and corrosion protection treatments | Applied by spraying or brushing; hydrolysis forms a protective silica layer that fills pores and blocks moisture ingress |
| Electronics & Semiconductors | Employed as an insulating layer, passivation layer, or precursor in semiconductor fabrication | Deposited as a silica thin film via chemical vapor deposition (CVD) or spin-coating |
| Adhesives & Sealants | Improves thermal resistance and chemical stability of inorganic adhesives | Cured in combination with other components to form a siloxane network structure |
| Foundry & Ceramics | Used as a binder in precision casting or as a modifier for ceramic materials | Mixed with ceramic powders and sintered; decomposes to generate a silica-reinforcing phase |
| Textiles | Functional auxiliary for fabric water repellency and wrinkle resistance finishing | Applied via padding or spraying followed by thermal treatment to form a hydrophobic silica layer on fiber surfaces |
| Research & Laboratories | Serves as an intermediate in synthesizing other silicon compounds or as a template agent for silica nanomaterials | Specific-structure materials are prepared via controlled hydrolysis, templating, or solvothermal reactions |
Physical and chemical properties of 4766-57-8
Boiling Point |
275.0±0.0 °C at 760 mmHg |
|---|---|
BRN |
1709274 |
Density |
0.9±0.1 g/cm3 |
Exact Mass |
320.238281 |
Flash Point |
78.9±0.0 °C |
Index of Refraction |
1.433 |
LogP |
9.35 |
Melting Point |
-80 °C |
Molecular Formula |
C16H36O4Si |
Molecular Weight |
320.540 |
PSA |
36.92000 |
Sensitivity |
Moisture Sensitive |
Storage condition |
Sealed in dry,Room Temperature |
Vapour density |
>1 (vs air) |
Vapour Pressure |
0.0±0.5 mmHg at 25°C |
Water Solubility |
reacts |
Spectrums of 4766-57-8
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 4766-57-8
Cas:71-36-3
Cas:78-10-4
Cas:2372-45-4
Cas:10026-04-7
Cas:544-16-1
Q&A for CAS 4766-57-8
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.
2. What is the delivery time?
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?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
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.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 4766-57-8
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 4766-57-8
Operate under the ISO 9001 system
