Description

Dynosilan Damo is a high-purity organosilicon compound, specifically a silane coupling agent, identified by CAS No. 3069-20-3. It is a critical intermediate and functional additive valued for its ability to modify surfaces and enhance the adhesion between inorganic materials and organic polymers. This product is essential for manufacturers in the rubber, plastics, coatings, and advanced composite materials industries seeking to improve product performance and durability.

Application

• Rubber Industry: Acts as a key coupling agent in silica-filled tire tread compounds to reduce rolling resistance and improve wet grip.
• Fiberglass Reinforced Plastics: Used as a sizing agent or finish on glass fibers to improve resin wettability and interfacial bonding in composites.
• Adhesives & Sealants: Enhances adhesion to difficult substrates like glass, metals, and minerals, improving bond strength and durability.
• Mineral-Filled Plastics: Improves the dispersion and bonding of fillers (e.g., clay, talc) in polyolefin matrices, enhancing mechanical properties.
• Surface Treatment: Provides a reactive coating on pigments, nanoparticles, and other inorganic surfaces to facilitate further organic modification.
• Crosslinking Agent: Serves as a crosslinker in silicone polymers and other specialty resin systems.

Basic Information

Product Name	Dynosilan Damo
CAS No.	3069-20-3
Molecular Formula	C9H23NO3Si
Molecular Weight	221.37 g/mol
Synonyms	N-(n-Butyl)-3-aminopropyltrimethoxysilane; 3-(Butylamino)propyltrimethoxysilane; Dynasylan® 1189; Silquest® A-Link 35; KBM-603; Butylamino-propyltrimethoxysilane; N-Butyl-3-aminopropyltrimethoxysilane; 3-Trimethoxysilylpropyl-N-butylamine
EINECS	221-317-9

Quality Control

Our Dynosilan Damo is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and titration methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.425
Density (20°C)	0.950 - 0.980 g/cm³

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