Description

Bis(Diethylamino)Dimethylsilane is a versatile organosilicon compound primarily used as a reactive intermediate and precursor in advanced material synthesis. Its value lies in its ability to introduce silicon and diethylamino functional groups into complex molecules, enabling precise surface modification and polymer cross-linking. This chemical is essential for manufacturers in the semiconductor, specialty polymer, and pharmaceutical industries seeking to develop high-performance coatings, adhesives, and silicon-based reagents.

Application

• Semiconductor Manufacturing: Key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create thin-film silicon nitride or silicon carbonitride layers.
• Surface Modification Agent: Used to functionalize silica, glass, and metal oxide surfaces, imparting hydrophobic or specific reactive properties.
• Polymer & Resin Synthesis: Serves as a cross-linking agent or chain extender in the production of silicones, polyimides, and other high-temperature polymers.
• Pharmaceutical Intermediates: Employed in the synthesis of silicon-containing drug candidates and active pharmaceutical ingredients (APIs).
• Adhesive & Sealant Formulations: Acts as an adhesion promoter and moisture scavenger in high-performance silicone-based adhesives and sealants.
• Catalyst & Ligand Synthesis: Used to prepare nitrogen-donor ligands and organometallic catalysts for organic synthesis.

Basic Information

Product Name	Bis(Diethylamino)Dimethylsilane
CAS No.	4669-59-4
Molecular Formula	C10H26N2Si
Molecular Weight	202.42 g/mol
Synonyms	Dimethylbis(diethylamino)silane; N,N-Diethyl-1,1-dimethylsilanediamine; Bis(N,N-diethylamino)dimethylsilane; Diethylaminodimethylsilane (mixture); (Diethylamino)dimethylsilane reagent; Silane, bis(diethylamino)dimethyl-; AMMONIA, N,N-DIETHYL-, DIMETHYLSILYLENE DERIV.; Dimethylbis(diethylamino)silane
EINECS	225-124-8

Quality Control

Our Bis(Diethylamino)Dimethylsilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	0.82 - 0.85 g/mL
Refractive Index (n20D)	1.430 - 1.435

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