Description

Silicon Tetraisocyanate is a highly reactive organosilicon compound primarily used as a versatile building block in advanced material synthesis. Its value lies in its ability to introduce silicon and multiple isocyanate functional groups into polymers and coatings, enhancing thermal stability and cross-linking density. This chemical is essential for R&D and production in sectors requiring high-performance materials, such as specialty polymers, adhesives, and surface modifiers.

Application

• Synthesis of Silicone-Polyurethane Hybrid Materials: Acts as a key monomer for creating polymers with combined properties of silicones and polyurethanes, such as improved weatherability and flexibility.
• Surface Modification Agent: Used to functionalize surfaces of silica, glass, or metals to improve adhesion and introduce reactive sites for further chemical grafting.
• Precursor for Ceramic Materials: Serves as a molecular precursor in the sol-gel process to produce silicon oxycarbide or silicon nitride-based ceramics and thin films.
• Cross-linking Agent for Specialty Coatings: Imparts high cross-link density in coatings, leading to enhanced chemical resistance, hardness, and thermal stability for industrial and automotive applications.
• Intermediate in Pharmaceutical & Agrochemistry R&D: Employed in the research and development of novel compounds where the silicon tetraisocyanate moiety is incorporated for specific biological activity.
• Adhesive and Sealant Formulations: Contributes to the performance of high-strength, heat-resistant adhesives and sealants used in aerospace and electronics assembly.

Basic Information

Product Name	Silicon Tetraisocyanate
CAS No.	3410-77-3
Molecular Formula	C4N4O4Si
Molecular Weight	196.14 g/mol
Synonyms	Tetraisocyanatosilane; Silicon(IV) isocyanate; Tetraisocyanato silicon; Silane, tetraisocyanato-; Isocyanic acid, silicon(4+) salt; STIC
EINECS	222-302-8

Quality Control

Our Silicon Tetraisocyanate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through analytical techniques including FT-IR, NMR, and titration. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance processes.

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 and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Density (at 20°C)	~1.4 g/cm³
Hydrolyzable Chloride	≤ 0.1%

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