Description

Trimethylsilane is a highly versatile organosilicon compound, primarily valued for its role as a fundamental building block in silicon-based chemistry. Its significance lies in its ability to introduce the trimethylsilyl group, a key moiety for protecting reactive sites and modifying surface properties in advanced materials. This product is essential for manufacturers and R&D teams in the semiconductor, pharmaceutical, and specialty chemical industries seeking reliable precursors for synthesis and surface functionalization.

Application

• Semiconductor Manufacturing: Used as a silicon source in chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes for creating thin films and silicon-based dielectric layers.
• Surface Modification: Acts as a silylating agent to hydrophobize surfaces of silica, glass, and other metal oxides, improving moisture resistance and compatibility.
• Organic Synthesis: Serves as a protecting agent for alcohols, phenols, and carboxylic acids during multi-step synthetic routes, particularly in pharmaceutical intermediate production.
• Polymer & Resin Production: Employed as a cross-linking agent or modifier in silicone polymers and resins to alter physical properties and thermal stability.
• Nanomaterial Synthesis: Functions as a precursor in the sol-gel process for producing silicon-containing nanoparticles and hybrid organic-inorganic materials.
• Analytical Chemistry: Utilized in gas chromatography as a derivatization reagent to increase the volatility of polar compounds for improved analysis.

Basic Information

Product Name	Trimethylsilane
CAS No.	993-07-7
Molecular Formula	C3H10Si
Molecular Weight	74.20 g/mol
Synonyms	Silane, trimethyl-; TMS; Trimethylsilyl hydride; (CH3)3SiH; Monohydridotrimethylsilane; Trimethylmonosilane; NSC 161208; Trimethylsilicon hydride
EINECS	213-599-8

Quality Control

Our Trimethylsilane is produced and handled under stringent quality management protocols. Each batch is analyzed to ensure it meets precise purity and compositional specifications critical for high-tech applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical property data is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and gaseous nature under standard conditions, this product is typically supplied in high-pressure cylinders or specialized gas containers. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Cylinders should be secured upright and protected from physical damage. Contents are under pressure. Keep container valve closed when not in use.

Specification

Item	Specification
Appearance	Colorless gas
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 50 ppm
Chloride (as Cl)	≤ 10 ppm
Heavy Metals (as Pb)	≤ 5 ppm

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