Description

Dimethyldiethylsilane is a versatile organosilicon compound with the CAS registry number 756-81-0. This chemical serves as a valuable intermediate and functional precursor in advanced material synthesis, prized for its reactivity and ability to introduce specific silicon-containing functional groups. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and silicon-based drug candidates.
• Agrochemical Synthesis: Acts as a key building block for creating novel silicon-containing pesticides and herbicides.
• Polymer & Material Science: Employed as a monomer or cross-linking agent in the production of silicones, siloxane polymers, and specialty resins.
• Surface Modification: Utilized to create hydrophobic or release coatings on various substrates via chemical vapor deposition (CVD) or grafting techniques.
• Organic Synthesis Reagent: Functions as a silylating agent or protecting group in complex multi-step synthetic routes.
• Electronics & Semiconductor Precursor: Serves as a potential precursor for silicon carbide (SiC) or silicon oxide thin films in semiconductor manufacturing.

Basic Information

Product Name	Dimethyldiethylsilane
CAS No.	756-81-0
Molecular Formula	C6H16Si
Molecular Weight	116.28 g/mol
Synonyms	Diethyldimethylsilane; Diethyl(dimethyl)silane; Silane, diethyldimethyl-; 1,1-Diethyl-1-silapropane; NSC 66496; Diethyl-dimethyl-silan; Dimethyl-diethyl-silan
EINECS	212-048-4

Quality Control

Our Dimethyldiethylsilane 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. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and highly volatile; containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation and moisture uptake. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	0.73 - 0.75 g/mL
Refractive Index (n20D)	1.410 - 1.415

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