Description

[3-(Butylamino)Propyl]Trimethylsilane is a bifunctional organosilicon compound featuring both a reactive primary amino group and hydrolyzable trimethylsilyl groups. This unique structure makes it a valuable coupling agent and surface modifier, enabling strong adhesion between organic polymers and inorganic substrates. It is essential for manufacturers in the coatings, adhesives, and composites industries seeking to enhance material performance, durability, and interfacial bonding.

Application

• Adhesion Promoter: Used in primers, sealants, and adhesive formulations to improve bonding to glass, metals, and mineral surfaces.
• Surface Modification: Acts as a coupling agent for silica, glass fibers, and other inorganic fillers to enhance compatibility and dispersion in polymer matrices like epoxies and polyurethanes.
• Crosslinking Agent: Serves as a reactive intermediate in the synthesis of specialty silicones and silane-modified polymers (SMP).
• Corrosion Inhibition: Incorporated into protective coatings for metals to improve resistance to moisture and environmental degradation.
• Pharmaceutical & Agrochemistry Intermediate: Utilized as a building block in the synthesis of more complex molecules for active ingredients.
• Fiber Sizing: Applied as a key component in sizing formulations for fiberglass to improve handling and composite mechanical properties.

Basic Information

Product Name	[3-(Butylamino)Propyl]Trimethylsilane
CAS No.	40964-88-3
Molecular Formula	C10H25NSi
Molecular Weight	187.40 g/mol
Synonyms	N-Butyl-3-(trimethylsilyl)-1-propanamine; 3-(Butylamino)propyltrimethylsilane; N-Butylaminopropyltrimethoxysilane (common misnomer); Butylaminopropyltrimethylsilane; Silane, [3-(butylamino)propyl]trimethyl-; 1-Propanamine, N-butyl-3-(trimethylsilyl)-; Amino silane coupling agent; γ-Butylaminopropyltrimethylsilane
EINECS	Contact for details

Quality Control

Our production of [3-(Butylamino)Propyl]Trimethylsilane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure consistency and reliability. A Certificate of Analysis (COA) detailing purity and key specifications is provided with each shipment to support your quality assurance and regulatory needs.

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 after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	0.82 - 0.86 g/mL
Refractive Index (n20/D)	1.428 - 1.432

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