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Isocyanatomethyltrimethoxysilane

Chemical Name:	Isocyanatomethyltrimethoxysilane
Product Category:	lsocyanate Silanes \| Silane Coupling Agent
Structural Formula:
CAS No.:	78450-75-6
EINECS:	620-692-3
Molecular Formula:	C₅H₁₁NO₄Si
Molecular Weight:	177.23 g/mol
Appearance:	Colorless to light yellow liquid

Isocyanatomethyltrimethoxysilane Description

1-Isocyanatomethyltrimethoxysilane, also known as (Isocyanatomethyl)trimethoxysilane, is an organosilicon compound with the molecular formula C₅H₁₁NO₄Si and a molecular weight of 177.23 g/mol. It appears as a colorless to light yellow liquid and is primarily used as a coupling agent and adhesion promoter in various industrial applications.

Chemical Name	Isocyanatomethyltrimethoxysilane
Synonyms	1-Isocyanatomethyltrimethoxysilane; (Isocyanatomethyl)trimethoxysilane
Boiling Point	Approximately 130 °C
Density	1.03 g/cm³ at 20 °C
Flash Point	Approximately 32 °C
Refractive Index	1.406 at 20°C
Uses	Coupling Agent and Adhesion Promoter: This silane compound enhances adhesion between inorganic substrates (such as glass and metals) and organic polymers, making it valuable in the formulation of adhesives, sealants, and coatings. Silicone Resin Modifier: It acts as a modifier for silicone resins, improving their properties and expanding their application range. Crosslinking Agent: When exposed to atmospheric moisture, it undergoes hydrolysis, facilitating crosslinking in polymer systems and enhancing their mechanical properties.
Safety and Handling	Hazard Classification: Specific hazard classifications are not provided; however, as a chemical compound, appropriate safety measures should be observed. Safety Measures: Avoid direct contact with skin and eyes; use suitable protective equipment. Ensure adequate ventilation to prevent inhalation of vapors. Store in a cool, dry place away from moisture and incompatible substances.
Packaging	Our standard packing is net 25kg / 200 kg drums / 1000kg/IBC，or according to your requirements.
Sample	Provided for free
Inventory items	6 tons
Price	Please contact us to get the new price.

Packaging Specifications

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Isocyanatomethyltrimethoxysilane : Guide

Isocyanatomethyltrimethoxysilane (CAS 78450-75-6) is a high-performance organosilicon compound widely used as a coupling agent, adhesion promoter, and crosslinking agent in adhesives, sealants, coatings, and composite materials. Its reactive isocyanate group enables strong covalent bonding with organic polymers, while the trimethoxysilane functionality enhances adhesion to inorganic surfaces, improving durability, mechanical strength, and moisture resistance. This makes it ideal for applications in automotive, construction, and electronics. Due to its high reactivity, proper handling, storage, and protective measures are crucial to ensure safety and maintain product stability.