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Merck
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Key Documents

87920

Supelco

Tetramethylsilane

analytical standard, for NMR spectroscopy, ACS reagent

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About This Item

Linear Formula:
Si(CH3)4
CAS Number:
Molecular Weight:
88.22
Beilstein:
1696908
EC Number:
MDL number:
UNSPSC 코드:
12142201
PubChem Substance ID:
NACRES:
NA.24

Grade

ACS reagent
analytical standard
for NMR spectroscopy

Quality Level

vapor pressure

11.66 psi ( 20 °C)

분석

≥99.5% (GC)

형태

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.)

응용 분야

environmental

형식

neat

저장 온도

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

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일반 설명

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.

애플리케이션

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.

픽토그램

Flame

신호어

Danger

유해 및 위험 성명서

예방조치 성명서

Hazard Classifications

Flam. Liq. 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

-16.6 °F - closed cup

Flash Point (°C)

-27 °C - closed cup

개인 보호 장비

Eyeshields, Faceshields, Gloves


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문서 라이브러리 방문

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
Thierry Rohmer et al.
The journal of physical chemistry. A, 115(42), 11696-11714 (2011-08-19)
The open-chain tetrapyrrole compound bilirubin was investigated in chloroform and dimethyl sulfoxide solutions by liquid-state NMR and as solid by (1)H, (13)C, and (15)N magic-angle spinning (MAS) solid-state NMR spectroscopy. Density functional theory (DFT) calculations were performed to interpret the
Jose C Pichardo et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 52(9), 1482-1489 (2011-07-30)
The current gold standard for measuring marrow cellularity is the bone marrow (BM) biopsy of the iliac crest. This measure is not predictive of total marrow cellularity, because the biopsy volume is typically small and fat fraction varies across the

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