Description

n-Benzylidene-3-(Triethoxysilyl)Propylamine is a specialized organosilane coupling agent featuring a reactive imine group. This compound is engineered to create strong covalent bonds between inorganic substrates and organic polymers, significantly enhancing composite material performance. It is essential for manufacturers in the coatings, adhesives, sealants, and advanced composites industries seeking to improve adhesion, mechanical strength, and durability in their formulations.

Application

• As a key adhesion promoter in epoxy, polyurethane, and acrylic-based coatings for metals, glass, and plastics.
• As a surface modifying agent for silica, glass fibers, and other mineral fillers to improve dispersion and bonding in polymer composites.
• In the formulation of high-performance sealants and adhesives where resistance to moisture and environmental stress is critical.
• For the surface treatment of pigments to enhance color stability and compatibility in various resin systems.
• As a crosslinking agent or intermediate in the synthesis of more complex silane molecules for niche applications.
• In the development of corrosion-resistant primers and treatments for automotive and aerospace components.

Basic Information

Product Name	n-Benzylidene-3-(Triethoxysilyl)Propylamine
CAS No.	69227-26-5
Molecular Formula	C19H33NO3Si
Molecular Weight	351.56 g/mol
Synonyms	N-(Phenylmethylene)-3-(triethoxysilyl)-1-propanamine; 3-(Triethoxysilyl)propyl benzylideneamine; N-Benzylidene[3-(triethoxysilyl)propyl]amine; Benzylidene(3-triethoxysilylpropyl)amine; (3-Triethoxysilylpropyl)benzylideneamine; Silane coupling agent KH-? (Note: Specific KH number varies by supplier); Amino-functional silane with imine group
EINECS	Contact for details

Quality Control

Our production of n-Benzylidene-3-(Triethoxysilyl)Propylamine adheres to stringent quality management protocols. Every batch is analyzed to ensure consistent purity, reactivity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided and available upon request to support your quality assurance processes.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Refractive Index (n20D)	1.460 - 1.480
Density (g/mL, 20°C)	0.98 - 1.02

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