Description

Silane, Triethylmethyl- CAS NO 757-21-1 is a highly reactive organosilicon compound characterized by its silicon atom bonded to three ethyl groups and one methyl group. This compound serves as a versatile building block and surface modifying agent, valued for its ability to introduce specific organic functionalities onto inorganic substrates. It is primarily utilized by manufacturers and researchers in the advanced materials, electronics, and specialty chemical sectors for applications requiring precise surface engineering and controlled chemical synthesis.

Application

• Surface Modification Agent: Used to functionalize glass, silica, and other metal oxide surfaces to alter wettability, adhesion, and compatibility with organic polymers.
• Precursor for Silicone Chemistry: Serves as an intermediate in the synthesis of more complex siloxanes, silanes, and silicone-based polymers.
• Adhesion Promoter: Enhances the bond between organic coatings, sealants, or adhesives and inorganic substrates in composite materials.
• Hydrophobic Coating Formulation: A key component in creating water-repellent and anti-corrosion coatings for textiles, construction materials, and electronics.
• Coupling Agent in Composites: Improves the dispersion and interfacial strength between fillers (like silica) and polymer matrices in advanced composites.
• Chemical Vapor Deposition (CVD): Acts as a silicon-containing precursor for depositing thin films in semiconductor and microelectronics fabrication.
• Research & Development: Employed in academic and industrial R&D for exploring new organosilicon chemistry, catalysis, and material science applications.

Basic Information

Product Name	Silane, Triethylmethyl- CAS NO 757-21-1
CAS No.	757-21-1
Molecular Formula	C7H18Si
Molecular Weight	130.30 g/mol
Synonyms	Triethylmethylsilane; Methyltriethylsilane; Triethyl(methyl)silane; Silane, methyltriethyl-; NSC 66416; 1-Methyl-1-silapentane; EINECS 212-053-9
EINECS	212-053-9

Quality Control

Our production of Triethylmethylsilane adheres to stringent quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR) to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is 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 away from heat and ignition sources. Due to its hygroscopic and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	0.73 - 0.75 g/mL
Refractive Index (n20/D)	1.410 - 1.415
Water Content (KF)	≤ 0.1%

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