Description

Silicic Acid Hydrogen Tris(1-Methylpropyl) Ester is a specialized organosilicon compound that serves as a versatile intermediate and functional additive. Its molecular structure provides unique properties for modifying surfaces and enhancing material performance in demanding applications. This chemical is essential for manufacturers in the coatings, adhesives, and specialty polymer industries seeking to improve product durability and functionality.

Application

• Crosslinking Agent: Used in the synthesis of silicone resins and elastomers to enhance thermal stability and mechanical strength.
• Surface Modification: Acts as a coupling agent or primer to improve adhesion between organic polymers and inorganic substrates like glass, metals, or minerals.
• Intermediate for Silanes: A key precursor in the production of more complex functional silanes and siloxanes for specialized applications.
• Additive in Coatings & Inks: Imparts water repellency, corrosion resistance, and improved weatherability to protective coatings and printing inks.
• Adhesive & Sealant Formulations: Enhances the flexibility, adhesion, and environmental resistance of high-performance adhesives and sealants.
• Reinforcement of Composites: Used to treat fillers (e.g., silica, glass fibers) to improve dispersion and interfacial bonding in composite materials.

Basic Information

Product Name	Silicic Acid Hydrogen Tris(1-Methylpropyl) Ester
CAS No.	18166-44-4
Molecular Formula	C12H28O3Si
Molecular Weight	248.44 g/mol
Synonyms	Triisobutoxysilane; Hydrogen Triisobutoxysilane; Silicic Acid, Hydrogen Triisobutyl Ester; Triisobutyl Orthosilicate; Isobutyl Orthosilicate; Tris(isobutoxy)silane; Isobutoxysilane Triol; (Isobutoxy)silanol
EINECS	242-060-2

Quality Control

Our Silicic Acid Hydrogen Tris(1-Methylpropyl) Ester is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including assay by GC or titration and impurity profiling, to ensure it meets precise specifications for purity and performance. Certificates of Analysis (COA) are provided with every shipment, and we support compliance with relevant global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	0.85 - 0.90 g/mL
Refractive Index (n20D)	1.390 - 1.410
Water Content (KF)	≤ 0.5%

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