Description

Diisocyanatodimethylsilane is a highly reactive organosilicon compound featuring dual isocyanate functional groups. This unique bifunctional structure makes it a critical building block for synthesizing advanced silicone polymers and hybrid organic-inorganic materials. It is essential for manufacturers in the specialty chemical, advanced materials, and electronics industries seeking to create high-performance coatings, adhesives, and functionalized surfaces with tailored properties.

Application

• Synthesis of Silicone Urethane Polymers: A key monomer for producing high-performance elastomers, coatings, and sealants with enhanced chemical resistance and mechanical properties.
• Surface Modification Agent: Used to functionalize inorganic surfaces (e.g., glass, silica, metals) with reactive isocyanate groups for improved adhesion and compatibility in composite materials.
• Crosslinking Agent: Serves as an efficient crosslinker for polyols and other hydroxyl-containing polymers in the formulation of durable paints, varnishes, and adhesives.
• Intermediate for Pharmaceutical & Agrochemistry: Employed in the synthesis of specialized silane-based intermediates for active ingredient development.
• Production of Silane Coupling Agents: A precursor for manufacturing advanced coupling agents that enhance the bond between organic resins and inorganic fillers.
• Research & Development: Utilized in academic and industrial R&D for exploring novel hybrid materials, dendrimers, and controlled-release systems.

Basic Information

Product Name	Diisocyanatodimethylsilane
CAS No.	5587-62-2
Molecular Formula	C4H6N2O2Si
Molecular Weight	142.19 g/mol
Synonyms	Dimethyldiisocyanatosilane; Diisocyanatodimethylsilane; Dimethylsilane Diisocyanate; Diisocyanatodimethylsilane; Silane, diisocyanatodimethyl-; 1,3-Diisocyanato-1,1,3,3-tetramethyldisiloxane (related structure); DIDS; NCO-functional silane
EINECS	226-992-6

Quality Control

Our Diisocyanatodimethylsilane is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity. We adhere to relevant industry standards, and each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, purity, and impurity profiles. For specific regulatory or application requirements, please contact our technical support team.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under a dry inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as alcohols, amines, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.08 g/cm³
Refractive Index (n20D)	~1.420 - 1.430
Moisture (KF)	≤ 0.1%

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