Methoxydimethyl(Octadecyl)Silane(CAS 71808-65-6)
| Purity | Grade | Package | Stock | Price | Quantity |
| 95% | RG | 1G | In Stock | 16 USD
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| 95% | RG | 5G | In Stock | 25 USD
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| 95% | RG | 25G | In Stock | 109 USD
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| 95% | RG | 100G | In Stock | 294 USD
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| 97% | RG | 1G | In Stock | 20 USD
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| 97% | RG | 5G | In Stock | 30 USD
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| 97% | RG | 25G | In Stock | 131 USD
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| 97% | RG | 100G | In Stock | 353 USD
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| 97% | RG | 500G | In Stock | 2129 USD
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Applications of 71808-65-6
| Industry | Application | Process |
|---|---|---|
| Construction Materials | Waterproofing and moisture-proofing agent | Added to cement-based materials to form a hydrophobic surface layer via chemical reaction, preventing water penetration |
| Coatings and Paints | Enhances coating water resistance and stain resistance | Incorporated as a functional additive into coating formulations to improve film hydrophobicity and durability |
| Textile Treatment | Water- and oil-repellent finishing agent | Applied to textile surfaces via padding or spraying, followed by thermal curing to form a hydrophobic film |
| Leather Processing | Leather waterproofing and softening treatment | Used in leather surface treatment to enhance water repellency and flexibility |
| Ceramics and Glass | Surface hydrophobization | Coated onto ceramic or glass surfaces and thermally treated to enable silane coupling, achieving hydrophobic performance |
| Automotive Industry | Vehicle body coating protection | Added to automotive paints or sealants to enhance coating weather resistance and water repellency |
| Electronic Encapsulation | Surface treatment of insulating materials | Applied to surfaces of semiconductor packaging materials to improve moisture resistance and electrical insulation |
| Agriculture | Co-component in soil water retention agents | Used in combination with soil conditioners to reduce water evaporation and improve soil water-holding capacity |
Physical and chemical properties of 71808-65-6
Boiling Point |
387.1±10.0 °C at 760 mmHg |
|---|---|
BRN |
7346074 |
Density |
0.8±0.1 g/cm3 |
Exact Mass |
342.331787 |
Flash Point |
197.9±8.5 °C |
Index of Refraction |
1.439 |
LogP |
10.65 |
Molecular Formula |
C21H46OSi |
Molecular Weight |
342.675 |
PSA |
9.23000 |
Storage condition |
2~8℃，Seal |
Vapour Pressure |
0.0±0.9 mmHg at 25°C |
Spectrums of 71808-65-6
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.
Q&A for CAS 71808-65-6
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 71808-65-6
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 71808-65-6
Operate under the ISO 9001 system
