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87920
Tetramethylsilan
analytical standard, suitable for NMR (spectroscopy), ACS reagent
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| Packungsgröße | SKU | Verfügbarkeit | Preis |
|---|---|---|---|
| 25 mL | Warenkorb auf Verfügbarkeit prüfen | € 63,80 |
Über diesen Artikel
Lineare Formel:
Si(CH3)4
CAS-Nummer:
Molekulargewicht:
88.22
UNSPSC Code:
12142201
NACRES:
NA.24
PubChem Substance ID:
EC Number:
200-899-1
Beilstein/REAXYS Number:
1696908
MDL number:
Technischer Dienst
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Unterstützung erhaltenQuality Segment
grade
ACS reagent, analytical standard
vapor pressure
11.66 psi ( 20 °C)
assay
≥99.5% (GC)
form
liquid
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.)
suitability
suitable for NMR (spectroscopy)
application(s)
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
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.[1] 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.
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Dieser Artikel | |||
|---|---|---|---|
| application(s) environmental | application(s) - | application(s) - | application(s) - |
| format neat | format - | format - | format - |
| form liquid | form liquid | form liquid | form liquid |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| grade ACS reagent, analytical standard | grade - | grade ACS reagent | grade - |
| assay ≥99.5% (GC) | assay ≥99.7% (GC) | assay ≥99.9% | assay ≥99.0% (GC) |
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signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 1
Lagerklasse
3 - Flammable liquids
wgk
WGK 3
flash_point_f
-16.6 °F - closed cup
flash_point_c
-27 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
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Temperature dependence of the 1H chemical shift of tetramethylsilane in chloroform, methanol, and dimethylsulfoxide
Hoffman ER, et al.
Journal of Magnetic Resonance, 176(1), 87-98 (2005)
Monitoring the chemical crosslinking of propylene polymers through rheology
Romani F, et al.
Polymer, 43(4), 1115-1131 (2002)
Siddheshwar K Chauthe et al.
Phytochemical analysis : PCA, 23(6), 689-696 (2012-06-19)
Quantitative analysis and standardisation of plant extracts or herbal products is a tedious process requiring time-consuming sample preparation and analytical method development for the resolution of analyte peaks from the complex natural extract. Quantitative analysis by HPLC requires a pure
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 87920-25ML | 04061833057049 |