Description

n-Ethylaminoisobutylmethyldiethoxysilane is a specialized organosilicon compound featuring a reactive amino-alkoxy hybrid structure. This unique architecture makes it a highly effective coupling agent and surface modifier, bridging organic polymers with inorganic substrates. It is essential for manufacturers in the adhesives, sealants, coatings, and composite materials industries seeking to enhance interfacial adhesion, mechanical strength, and environmental resistance in their products.

Application

• As a coupling agent in mineral-filled composites (e.g., fiberglass, silica, talc) to improve filler dispersion and mechanical properties.
• As a surface primer or treatment for glass, metals, and minerals to promote adhesion of paints, inks, and adhesives.
• As a key intermediate in the synthesis of specialty silicone polymers and resins with tailored properties.
• For the modification of epoxy, polyurethane, and acrylic systems to enhance moisture resistance and durability.
• In the formulation of moisture-curable sealants and RTV silicones as a crosslinking agent or adhesion promoter.
• As a filler treatment in rubber compounding to reduce viscosity and improve reinforcement.

Basic Information

Product Name	n-Ethylaminoisobutylmethyldiethoxysilane
CAS No.	275378-62-6
Molecular Formula	C11H27NO2Si
Molecular Weight	233.43 g/mol
Synonyms	N-Ethyl-3-(trimethoxysilyl)-2-methylpropylamine; 2-Methyl-N-[3-(trimethoxysilyl)propyl]propan-1-amine; 3-(Trimethoxysilyl)-2-methylpropylethylamine; Amino-functional silane coupling agent; (3-(Ethylamino)-2-methylpropyl)trimethoxysilane; Dynasylan® 1411 (equivalent grade); Silane A-1122 (equivalent grade)
EINECS	Contact for details

Quality Control

Our n-Ethylaminoisobutylmethyldiethoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure consistent purity and performance. Certificates of Analysis (COA) detailing specific batch results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent contact with atmospheric moisture, which can lead to hydrolysis and polymerization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.420 - 1.430
Density (g/mL, 20°C)	0.90 - 0.95

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