Description

Silicicacid,Tetraethylester,Homopolymer is a polymeric organosilicon compound derived from tetraethyl orthosilicate (TEOS). This material is valued for its role as a versatile precursor in sol-gel chemistry and as a binder or cross-linking agent. It is essential for manufacturers and R&D facilities in industries requiring high-purity silicon-based materials for coatings, composites, and advanced ceramics.

Application

• Sol-Gel Process Precursor: For the synthesis of high-purity silica glasses, thin films, and monoliths.
• Surface Coatings & Binders: Used to create protective, hydrophobic, or anti-reflective coatings on various substrates.
• Advanced Ceramics & Composites: Acts as a binding agent in the production of ceramic fibers and composite materials.
• Catalyst Support Material: Serves as a porous, high-surface-area support for heterogeneous catalysts.
• Electronic Encapsulants: Employed in the microelectronics industry for device passivation and encapsulation.
• Adhesives & Sealants: Functions as a cross-linking component to enhance durability and chemical resistance.

Basic Information

Product Name	Silicicacid,Tetraethylester,Homopolymer
CAS No.	26352-16-9
Molecular Formula	(C8H20O4Si)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(tetraethyl orthosilicate); Tetraethoxysilane homopolymer; Poly(TEOS); Ethyl silicate polymer; Silicic acid tetraethyl ester polymer; TEOS polymer; Condensed ethyl silicate; Silicon ethoxide polymer
EINECS	247-668-1

Quality Control

Our Silicicacid,Tetraethylester,Homopolymer is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency in parameters such as polymer chain length, ethoxy content, and viscosity. Certificates of Analysis (COA) detailing purity and physical specifications are provided with every shipment to guarantee compliance with your technical requirements.

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 prevent hydrolysis and degradation upon contact with atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (SiO2 Content)	≥ 40%
Ethoxy Content	Contact for details
Viscosity (25°C)	Contact for details
Specific Gravity (25°C)	Contact for details
Water Content	≤ 0.5%

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