Description

Triisocyanato(Methoxy)Silane is a highly reactive organosilicon compound containing both isocyanate and alkoxysilane functional groups. This unique bifunctional structure makes it a critical coupling agent and precursor for synthesizing advanced hybrid organic-inorganic materials. It is essential for manufacturers in the specialty polymers, coatings, and adhesives sectors seeking to enhance material properties like adhesion, cross-linking density, and thermal stability. Its reactivity allows for tailored performance in demanding industrial applications.

Application

• Surface Modification Agent: Used to functionalize inorganic surfaces (glass, metals, silica) to improve adhesion with organic polymers.
• Hybrid Polymer Precursor: Serves as a key monomer in the synthesis of polyurethane-siloxane and polyurea-siloxane hybrid copolymers.
• Adhesive & Sealant Formulations: Imparts moisture-curing properties and enhances bond strength, especially in high-performance construction and automotive sealants.
• Specialty Coatings: Incorporated into coatings to improve scratch resistance, chemical resistance, and weatherability.
• Composite Materials: Acts as a coupling agent in fiber-reinforced plastics (FRP) and mineral-filled composites to optimize interfacial bonding.
• Pharmaceutical & Agro-chemical Intermediates: Utilized in the synthesis of specialized silane-based active ingredients or delivery agents.

Basic Information

Product Name	Triisocyanato(Methoxy)Silane
CAS No.	5578-37-0
Molecular Formula	C4H4N3O4Si
Molecular Weight	186.16 g/mol
Synonyms	Methoxy(triisocyanato)silane; Silane, methoxytriisocyanato-; Triisocyanatomethoxysilane; Methoxysilanetriisocyanate; (Triisocyanato)methoxysilane; NSC 163491; 3-Isocyanatopropyltrimethoxysilane (related compound); Isocyanatosilane coupling agent
EINECS	Contact for details

Quality Control

Our Triisocyanato(Methoxy)Silane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by titration and impurity profiling. Certificates of Analysis (COA) detailing specific results for purity, identity, and moisture content are provided with every shipment 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 temperatures between 2°C and 8°C (or as specified on the label) to maximize stability. Due to its moisture-sensitive (hygroscopic) nature, containers must be kept sealed under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis and polymerization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 97.0%
Density (at 20°C)	~1.25 g/cm³
Moisture (KF)	≤ 0.1%

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