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(3-Isocyanatopropyl)methyldimethoxysilane

Chemical Name:	(3-Isocyanatopropyl)methyldimethoxysilane
Product Category:	lsocyanate Silanes \| Silane Coupling Agent
Structural Formula:
CAS No.:	26115-72-0
EINECS:	115-072-0
Molecular Formula:	C₇H₁₅NO₃Si
Molecular Weight:	189.28 g/mol
Appearance:	Colorless to pale yellow liquid

(3-Isocyanatopropyl)methyldimethoxysilane Description

(3-Isocyanatopropyl)methyldimethoxysilane is an organosilicon compound characterized by the presence of both isocyanate and methyldimethoxysilane functional groups. This unique structure enables it to function effectively as a coupling agent, promoting adhesion between organic polymers and inorganic substrates. It finds extensive application in industries such as adhesives, sealants, coatings, and surface treatments.

Chemical Name	(3-Isocyanatopropyl) methyldimethoxysilane
Synonyms	γ-Isocyanatopropyltriethoxysilane, 3-(Triethoxysilyl)propyl isocyanate
Boiling Point	193.9 ± 23.0°C (Predicted)
Density	0.96 ± 0.1 g/cm³ (Predicted)
Flash Point	71.0 ± 22.6°C
Refractive Index (n²⁰/D)	1.4190
Solubility	Sparingly soluble in water (25 g/L at 25°C)
Applications	Adhesion Promoter: Enhances adhesion between organic polymers and inorganic substrates, making it valuable in the formulation of adhesives, sealants, and coatings. Surface Modifier: Improves surface properties of materials, thereby enhancing durability and performance. Chemical Reagent: Utilized in organic synthesis reactions due to its reactive isocyanate group.
Safety and Handling	Hazard Classification: Corrosive (C) Safety Measures: Avoid direct contact with skin and eyes; use appropriate 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	3 tons
Price	Please contact us to get the new price.

Packaging Specifications

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(3-Isocyanatopropyl)methyldimethoxysilane: Guide

(3-Isocyanatopropyl)methyldimethoxysilane (CAS 26115-72-0) is a high-performance organosilicon compound widely used as a coupling agent and surface modifier in coatings, adhesives, sealants, and composites. Its isocyanate group forms strong bonds with organic polymers, while the silane moiety enhances adhesion to inorganic surfaces, improving durability, mechanical strength, and moisture resistance. Due to its high reactivity, proper handling, storage, and protective measures are essential to prevent hydrolysis and ensure safe, effective application.