Description

Siloxanes And Silicones, Di-Me, 5-Hexenyl Me CAS NO 144669-05-6 is a functional organosilicon compound featuring a reactive 5-hexenyl group, making it a versatile intermediate for chemical synthesis. This product is valued for its ability to introduce silicone properties and cross-linking sites into polymer backbones, enhancing material performance. It is primarily needed by manufacturers in the silicone elastomer, adhesive, and specialty polymer industries seeking to modify material flexibility, hydrophobicity, and reactivity.

Application

• Key intermediate in the synthesis of custom silicone polymers and copolymers.
• Cross-linking agent or chain extender in the production of high-performance silicone elastomers and rubbers.
• Modifier for organic resins to impart improved release, weather resistance, and surface properties.
• Raw material for manufacturing specialized adhesives, sealants, and coatings with tailored flexibility.
• Building block for creating functionalized siloxanes used in personal care and cosmetic formulations.
• Intermediate for surface treatments and coupling agents to enhance adhesion between organic and inorganic materials.

Basic Information

Product Name	Siloxanes And Silicones, Di-Me, 5-Hexenyl Me
CAS No.	144669-05-6
Molecular Formula	C9H20OSi2 (for monomeric unit; exact formula may vary with degree of polymerization)
Molecular Weight	Contact for details (varies by specific chain length and degree of polymerization)
Synonyms	5-Hexenyldimethylmethoxysilane; 5-Hexenylmethyldimethoxysilane; Dimethoxy(5-hexenyl)methylsilane; Methoxy(5-hexenyl)dimethylsilane; 5-Hexen-1-yldimethylmethoxysilane; Silane, dimethoxy(5-hexenyl)methyl-; (5-Hexenyl)methyldimethoxysilane; Reactive vinyl-functional siloxane intermediate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is controlled against stringent specifications for identity, purity, and functional group content. Certificates of Analysis (COA) documenting key parameters 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, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC or NMR)	≥ 95.0%
Specific Gravity (25°C)	0.85 - 0.90
Refractive Index (n20D)	1.410 - 1.420
Water Content (KF)	≤ 0.1%

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