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Tetramethylsilane

analytical standard, for NMR spectroscopy, ACS reagent

  • CAS Number 75-76-3

  • Linear Formula Si(CH3)4

  • Molecular Weight 88.22

  •  Beilstein/REAXYS Number 1696908

  •  EC Number 200-899-1

  •  MDL number MFCD00008274

  •  PubChem Substance ID 329769617

  •  NACRES NA.24

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Properties

Related Categories Analytical Standards, Analytical/Chromatography, Chemical Synthesis, NMR Reference Standards, NMR Solvents and Reagents,
Quality Level   200
grade   ACS reagent
  analytical standard
  for NMR spectroscopy
vapor pressure   11.66 psi ( 20 °C)
assay   ≥99.5% (GC)
form   liquid
  neat
autoignition temp.   842 °F
refractive index   n20/D 1.358 (lit.)
  n20/D 1.359
bp   26-28 °C (lit.)
mp   −99 °C (lit.)
density   0.648 g/mL at 25 °C (lit.)
Featured Industry   Environmental
format   neat
storage temp.   2-8°C
SMILES string   C[Si](C)(C)C
InChI   1S/C4H12Si/c1-5(2,3)4/h1-4H3
InChI key   CZDYPVPMEAXLPK-UHFFFAOYSA-N

Description

General description

Tetramethylsilane has been recommended by the International Union of Pure and Applied Chemistry (IUPAC) as a universal reference for all nuclides. It is commonly used as a reference standard in nuclear magnetic resonance (NMR) for measuring proton chemical shifts and the temperature dependence of the 1H chemical shift of TMS in solvents such as chloroform, methanol, and dimethylsulfoxide is studied.

Application

Tetramethylsilane may be used as an internal standard for the quantitative analysis of medicinal plant extracts and herbal products using the quantitative NMR (qNMR) method. It may also be used as an internal standard to investigate peroxide-based chemical systems for the crosslinking reactions carried on isotactic polypropylene using FT-IR spectrometry and proton nuclear magnetic resonance (1H NMR) techniques.

Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2749 3 / PGI
WGK Germany 
WGK 3
Flash Point(F) 
-16.6 °F - closed cup
Flash Point(C) 
-27 °C - closed cup
Protocols & Articles

Articles

HPLC Analysis of Artificial Food Colorants on Chromolith® HighResolution RP-18 endcapped, UV 628 nm

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Artificial Food Colorants on Chromolith® HighResolution RP-18 endcapped, UV 628 nm
Keywords: Chromatography, High performance liquid chromatography

Peer-Reviewed Papers
15

References

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