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Siloxanes And Silicones, Di-Me, ((Bis(Acetyloxy)Methylsilyl)Oxy)- Terminated CAS NO 68440-61-9
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CAS No.:68440-61-9
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Siloxanes And Silicones, Di-Me, ((Bis(Acetyloxy)Methylsilyl)Oxy)- Terminated is a specialized organosilicon compound featuring reactive acetyloxy terminal groups. This chemical structure is critical for its role as a versatile cross-linking agent and intermediate in advanced polymer synthesis. It is essential for manufacturers in the silicone elastomer, adhesive, and specialty coating industries who require precise control over material properties and curing behavior.
Application
- Cross-linking Agent for Silicone Polymers: Used to introduce reactive sites for curing in room-temperature vulcanizing (RTV) silicone rubbers and sealants.
- Intermediate for Specialty Silicones: Serves as a key building block in the synthesis of custom silicone fluids, resins, and modified polymers with tailored functionalities.
- Adhesive & Sealant Formulations: Imparts moisture-curing properties and enhances adhesion to various substrates in industrial and construction-grade products.
- Release Coatings & Molding: Employed in formulations for non-stick release papers and precision molding applications due to its reactive nature.
- Surface Modification: Used to treat fillers (e.g., silica) or other materials to improve compatibility and dispersion within silicone matrices.
- Pharmaceutical & Cosmetic Excipients: Potential use in the synthesis of specialized silicone-based carriers or delivery agents, subject to appropriate purity grades.
Basic Information
| Product Name | Siloxanes And Silicones, Di-Me, ((Bis(Acetyloxy)Methylsilyl)Oxy)- Terminated |
| CAS No. | 68440-61-9 |
| Molecular Formula | Typically a mixture; representative formula: CnH2n+2O4Si3 (n varies with chain length) |
| Molecular Weight | Varies (Contact for details on specific grade) |
| Synonyms | Dimethylsiloxane, ((bis(acetoxy)methylsilyl)oxy)-terminated; Acetoxy-terminated polydimethylsiloxane; Bis(acetoxy)methylsilyloxy-terminated PDMS; Acetoxy-functional siloxane oligomer; Acetoxy-capped silicone fluid; Methylsiloxane-dimethylsiloxane copolymer, acetoxy terminated; Poly(dimethylsiloxane), acetoxy terminated; Silicone cross-linker, acetoxy type. |
| EINECS | Contact for details |
Quality Control
Our Siloxanes And Silicones, Di-Me, ((Bis(Acetyloxy)Methylsilyl)Oxy)- Terminated is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance as a reactive intermediate. Key parameters such as acetoxy content, viscosity, and purity are verified. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance protocols.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under a dry inert atmosphere (e.g., nitrogen) after opening to prevent premature hydrolysis and maintain reactivity.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow clear liquid |
| Identification (IR) | Conforms to structure |
| Acetoxy Content (Titration) | Contact for details |
| Viscosity @ 25°C | Contact for details |
| Specific Gravity @ 25°C | Contact for details |
| Refractive Index @ 20°C | Contact for details |
| Volatile Content | ≤ 2.0% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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