Description

Silane, 1,7-Octadiene-1,8-Diylbis[Trimethyl- is a specialized organosilicon compound, specifically a bis-silane crosslinker, that serves as a critical building block in advanced material synthesis. Its core value lies in its ability to form stable, covalent bridges between organic polymers and inorganic substrates, enhancing material durability and performance. This product is essential for manufacturers in the silicone rubber, adhesive, and coatings industries seeking to improve the mechanical strength, thermal stability, and adhesion properties of their formulations.

Application

• Crosslinking Agent for Silicone Elastomers: Used to enhance the heat resistance and mechanical properties of high-performance silicone rubbers for automotive and aerospace seals.
• Adhesion Promoter in Hybrid Coatings: Improves the bond between organic polymer matrices and inorganic fillers or metal substrates in protective and decorative coatings.
• Surface Modification of Fillers: Treats silica, glass fibers, and other minerals to improve their compatibility and dispersion within plastic composites.
• Synthesis of Specialty Silicone Resins: Acts as a key monomer for creating novel silicone-based polymers with tailored properties for electronics encapsulation.
• Waterproofing and Sealant Formulations: Imparts excellent moisture resistance and long-term stability to construction and industrial sealants.

Basic Information

Product Name	Silane, 1,7-Octadiene-1,8-Diylbis[Trimethyl-
CAS No.	74807-81-1
Molecular Formula	C14H30Si2
Molecular Weight	254.56 g/mol
Synonyms	1,7-Octadiene-1,8-diylbis(trimethylsilane); 1,8-Bis(trimethylsilyl)-1,7-octadiene; 1,7-Octadiene, 1,8-bis(trimethylsilyl)-; Bis(trimethylsilyl)-1,7-octadiene; Octadienylbis(trimethylsilane); TMS-crosslinker for dienes; Organosilane crosslinking agent
EINECS	Contact for details

Quality Control

Our production of Silane, 1,7-Octadiene-1,8-Diylbis[Trimethyl- adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for industrial applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to verify identity, purity, and the absence of critical impurities. Certificates of Analysis (COA) documenting key specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 compound is hygroscopic (moisture-sensitive) and should be handled under a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Density (at 20°C)	0.80 - 0.85 g/mL
Refractive Index (n20/D)	1.440 - 1.450
Water Content (KF)	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.