Description

(E,E)-Bis[(3,7-Dimethyl-2,6-Octadienyl)Oxy]Methoxymethylsilane is a specialized organosilicon compound featuring a unique molecular architecture with geranyl-derived alkoxy groups. This structure makes it a valuable functional silane coupling agent and intermediate for advanced material synthesis. It is primarily utilized in industries requiring enhanced adhesion, surface modification, and polymer cross-linking, such as specialty coatings, adhesives, and silicone elastomers.

Application

• Coupling Agent in Silicone Polymers: Enhances the compatibility and bonding between organic polymers and inorganic fillers or surfaces.
• Surface Modification Agent: Used to treat glass, silica, or metal oxides to impart hydrophobic or specific functional properties.
• Cross-linking Intermediate: Serves as a key building block in the synthesis of cross-linked silicone resins and networks for high-performance materials.
• Adhesion Promoter: Incorporated into sealant, adhesive, and coating formulations to improve substrate wetting and long-term bond durability.
• Specialty Chemical Synthesis: Acts as a protected or functionalized intermediate in the production of more complex organosilicon molecules for R&D.
• Lubricant & Release Agent Additive: Can be used to modify the surface properties of additives in lubricant and mold release formulations.

Basic Information

Product Name	(E,E)-Bis[(3,7-Dimethyl-2,6-Octadienyl)Oxy]Methoxymethylsilane
CAS No.	70544-82-0
Molecular Formula	C25H44O3Si
Molecular Weight	420.71 g/mol
Synonyms	Methoxymethylbis(3,7-dimethyl-2,6-octadienyloxy)silane; Bis(geranyloxy)methoxymethylsilane; (E,E)-Methoxymethylbis[(3,7-dimethylocta-2,6-dienyl)oxy]silane; Geranyloxy-functional silane; Silane, methoxymethylbis[(3,7-dimethyl-2,6-octadienyl)oxy]-, (E,E)-; (E,E)-Bis(geranyloxy)methoxymethylsilane; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of (E,E)-Bis[(3,7-Dimethyl-2,6-Octadienyl)Oxy]Methoxymethylsilane adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance and regulatory 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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Isomeric Purity (E,E)	≥ 90.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.470 - 1.480
Density (20°C)	0.92 - 0.96 g/mL

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