Description

2,2,3,3,9,9,10,10-Octamethyl-6-(2-Propen-1-Yl)-4,8-Dioxa-3,9-Disilaundecane is a specialized organosilicon compound with a unique molecular architecture combining siloxane and allyl functionalities. This structure is critical for its role as a reactive intermediate and crosslinking agent in advanced polymer synthesis. It is primarily utilized by manufacturers in the silicone elastomer, adhesive, and specialty coatings industries seeking to enhance material properties. The compound, identified by CAS NO 168080-93-1, enables the development of high-performance materials with tailored characteristics.

Application

• Crosslinking Agent for Silicone Elastomers: Imparts improved mechanical strength and thermal stability to high-performance silicone rubbers.
• Reactive Modifier in Adhesives & Sealants: Enhances adhesion, flexibility, and durability in silicone-based formulations.
• Precursor for Functional Silicone Polymers: Serves as a key building block in the synthesis of custom silicone oils and resins with specific pendant groups.
• Surface Treatment Agent: Used to modify inorganic fillers (e.g., silica) to improve compatibility and dispersion in polymer matrices.
• Component in Release Coatings: Contributes to the formulation of non-stick and easy-release coatings for industrial applications.
• Intermediate for Hydrosilylation Reactions: The allyl group allows for precise addition chemistry to create novel silicone copolymers.

Basic Information

Product Name	2,2,3,3,9,9,10,10-Octamethyl-6-(2-Propen-1-Yl)-4,8-Dioxa-3,9-Disilaundecane
CAS No.	168080-93-1
Molecular Formula	C18H40O2Si2
Molecular Weight	344.69 g/mol
Synonyms	1,3-Bis(3-allyloxypropyl)-1,1,3,3-tetramethyldisiloxane; Allyloxypropyl-terminated disiloxane; 3-Allyloxypropyl-terminated polydimethylsiloxane (short chain); Bis(3-allyloxypropyl)tetramethyldisiloxane; 1,1,3,3-Tetramethyl-1,3-bis(3-allyloxypropyl)disiloxane; Allyl-PDMS crosslinker; Disiloxane, 1,1,3,3-tetramethyl-1,3-bis[3-(2-propen-1-yloxy)propyl]-; CAS 168080-93-1
EINECS	Contact for details

Quality Control

Our production of 2,2,3,3,9,9,10,10-Octamethyl-6-(2-Propen-1-Yl)-4,8-Dioxa-3,9-Disilaundecane adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, purity verification, and functional group analysis. Certificates of Analysis (COA) detailing all critical 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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.4350 - 1.4450
Density (20°C)	0.92 - 0.96 g/mL
Water Content (KF)	≤ 0.1%

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