Description

9,10-Bis(Allyloxy)-4,4,15,15-Tetraethoxy-3,8,11,16-Tetraoxa-4,15-Disilaoctadecane is a specialized organosilicon compound featuring a unique molecular architecture with multiple ether and alkoxy functional groups. This structure makes it a valuable cross-linking agent and reactive intermediate for synthesizing advanced polymeric materials with tailored properties. It is primarily utilized by R&D chemists and material scientists in industries focused on developing high-performance silicones, specialty coatings, and functional polymers.

Application

• Cross-linking agent in the synthesis of silicone-based polymers and resins.
• Reactive monomer for creating hybrid organic-inorganic (O-I) materials and sol-gel precursors.
• Building block in the development of specialty adhesives and sealants with enhanced thermal and chemical resistance.
• Intermediate for pharmaceutical and agrochemical research requiring functionalized siloxane structures.
• Modifier for surface coatings to improve adhesion, flexibility, and durability.
• Component in advanced material research for optics, electronics, and composite materials.

Basic Information

Product Name	9,10-Bis(Allyloxy)-4,4,15,15-Tetraethoxy-3,8,11,16-Tetraoxa-4,15-Disilaoctadecane
CAS No.	93777-96-9
Molecular Formula	C24H48O8Si2
Molecular Weight	520.80 g/mol
Synonyms	1,2-Bis(triethoxysilyl)ethane diallyl ether; 3,8,11,16-Tetraoxa-4,15-disilaoctadecane, 9,10-bis(2-propen-1-yloxy)-4,4,15,15-tetraethoxy-; Bis(triethoxysilyl)ethane diallyl ether; Diallyl ether of bis(triethoxysilyl)ethane; Silicon-based crosslinker 93777-96-9; Organosilane crosslinking agent; Allyloxy-functionalized disiloxane
EINECS	Contact for details

Quality Control

Our 9,10-Bis(Allyloxy)-4,4,15,15-Tetraethoxy-3,8,11,16-Tetraoxa-4,15-Disilaoctadecane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical 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); containers must be kept tightly sealed to exclude moisture. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.430 - 1.450
Density (20°C)	1.00 - 1.05 g/mL

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