Cylinder Gas High Purity Semiconductor industry Gas C4h12si 4MS Tetramethylsilane

High Purtiy Tetramethylsilane Specialty Gas Cylinder Company C4h12si 4MS

Tetramethylsilane (TMS), also known as tetramethylsilicon, is an organosilicon compound with the chemical formula (CH₃)₄Si. It is a volatile liquid that is commonly used as a reference standard in nuclear magnetic resonance (NMR) spectroscopy.

TMS is highly symmetrical and chemically inert, making it an ideal compound for NMR analysis. It is often added to samples in NMR experiments as an internal standard, against which the chemical shifts of other compounds can be measured. The hydrogen atoms in TMS produce a single peak in the NMR spectrum at a known frequency, which serves as a reference point for determining the chemical shifts of other signals in the spectrum.

TMS is a clear, colorless liquid with a faint odor. It has a boiling point of 26-27 degrees Celsius and a low freezing point of -79 degrees Celsius. It is soluble in most organic solvents, including common NMR solvents like deuterated chloroform (CDCl₃) or deuterated dimethyl sulfoxide (DMSO-d₆).

In addition to its use in NMR spectroscopy, TMS also finds applications as a chemical intermediate and as a reagent in organic synthesis. It can be used as a silylating agent to protect functional groups during chemical reactions or to derivatize compounds for analysis. TMS is also employed in the production of silicone polymers and as a precursor for other organosilicon compounds.

Overall, tetramethylsilane is an important compound in the field of NMR spectroscopy and has various uses in organic chemistry and materials science.

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