Description

n-Propyldimethyl(Dimethylamino)Silane is a highly reactive organosilicon compound, specifically a functionalized aminosilane, widely used as a key intermediate and surface-modifying agent. Its primary value lies in its ability to act as a versatile coupling agent, facilitating strong bonds between organic polymers and inorganic substrates like glass, metals, and minerals. This product is essential for manufacturers in the silicone polymer, advanced composites, and specialty coatings industries, where surface functionalization and adhesion promotion are critical.

Application

• Silicone Polymer Synthesis: Serves as a crucial monomer or chain extender in the production of specialty silicone fluids, resins, and elastomers.
• Surface Priming & Adhesion Promotion: Used as a primer or additive in coatings, adhesives, and sealants to improve adhesion to difficult substrates like metals, glass, and plastics.
• Filler & Pigment Treatment: Functionalizes inorganic fillers (e.g., silica, clay) and pigments to enhance their compatibility and dispersion within organic polymer matrices.
• Chemical Vapor Deposition (CVD) Precursor: Acts as a silicon-nitrogen source in CVD processes for depositing thin films on semiconductors or optical components.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of more complex organosilicon molecules for life science applications.
• Hydrophobic Surface Modification: Imparts water-repellent properties to surfaces of textiles, construction materials, and electronic components.

Basic Information

Product Name	n-Propyldimethyl(Dimethylamino)Silane
CAS No.	77303-23-2
Molecular Formula	C7H19NSi
Molecular Weight	145.32 g/mol
Synonyms	Dimethyl(dimethylamino)propylsilane; (Dimethylamino)dimethylpropylsilane; 3-(Dimethylamino)propyldimethylsilane; N,N-Dimethyl-3-(dimethylsilyl)-1-propanamine; Propyl(dimethyl)(dimethylamino)silane; DMAPDMS; (Dimethylamino)propyldimethylsilane
EINECS	Contact for details

Quality Control

Our n-Propyldimethyl(Dimethylamino)Silane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and key physical properties are provided with every shipment 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). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (at 20°C)	0.78 - 0.82 g/mL
Refractive Index (n20D)	1.420 - 1.430

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