Description

Orthodisilicic Acid α,β-Bis[1-Methyl-3,3,3-Tris(1-Methylpropoxy)-1-[[Tris(1-Methylpropoxy)Silyl]Oxy]Propanedisiloxane-1-Yl]α,α,β,β-Tetrakis(1-Methylpropyl) Ester is a highly functionalized, branched organosilicon compound designed for advanced material synthesis. This product matters for its role as a key precursor or cross-linking agent in creating high-performance silicone polymers and hybrid organic-inorganic networks. Industries requiring specialized coatings, adhesives, sealants, and elastomers (CASE) with enhanced thermal stability, hydrophobicity, or mechanical properties are the primary users of this chemical.

Application

• Precursor for High-Performance Silicone Resins: Used in the synthesis of heat-resistant and chemically inert coatings for aerospace and automotive components.
• Cross-Linking Agent in Hybrid Polymers: Imparts superior mechanical strength and flexibility in advanced adhesives and sealants.
• Surface Modification Agent: Enhances hydrophobicity, adhesion, and corrosion resistance on glass, metal, and composite surfaces.
• Additive for Specialty Elastomers: Improves the thermal and oxidative stability of silicone rubbers used in extreme environments.
• Intermediate in Electronic Materials: Serves in the formulation of encapsulants, dielectrics, and protective coatings for semiconductor devices.
• Building Block for Sol-Gel Chemistry: Facilitates the production of high-purity silica-based glasses and ceramics with tailored porosity.

Basic Information

Item	Detail
Product Name	Orthodisilicic Acid α,β-Bis[1-Methyl-3,3,3-Tris(1-Methylpropoxy)-1-[[Tris(1-Methylpropoxy)Silyl]Oxy]Propanedisiloxane-1-Yl]α,α,β,β-Tetrakis(1-Methylpropyl) Ester
CAS No.	70969-54-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Bis(1-methyl-3,3,3-tris(1-methylpropoxy)-1-((tris(1-methylpropoxy)silyl)oxy)propanedisiloxanyl) Orthodisilicate; Tetrakis(1-methylpropyl) Orthodisilicate Derivative; Complex Branched Alkoxysilane Ester; Multi-Functional Organosiloxane; Silane Coupling Agent Precursor; Hybrid Silicone Crosslinker; CAS 70969-54-9
EINECS	Contact for details

Quality Control

Our Orthodisilicic Acid α,β-Bis[1-Methyl-3,3,3-Tris(1-Methylpropoxy)-1-[[Tris(1-Methylpropoxy)Silyl]Oxy]Propanedisiloxane-1-Yl]α,α,β,β-Tetrakis(1-Methylpropyl) Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, FT-IR, and GC/MS for structural confirmation and purity assessment, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting identity, purity, and key physical parameters are available upon request.

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 (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	Contact for details
Refractive Index (20°C)	Contact for details

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