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179485

Sigma-Aldrich

4-Oxo-TEMPO

동의어(들):

4-Oxo-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical

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모든 사진(3)

About This Item

실험식(Hill 표기법):
C9H16NO2
CAS Number:
2896-70-0
Molecular Weight:
170.23
EC Number:
220-778-7
MDL number:
MFCD00006187
UNSPSC 코드:
12352000
PubChem Substance ID:
24850816
NACRES:
NA.22

형태

solid

Quality Level

100

저장 온도

2-8°C

SMILES string

CC1(C)CC(=O)CC(C)(C)N1[O]

InChI

1S/C9H16NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h5-6H2,1-4H3

InChI key

WSGDRFHJFJRSFY-UHFFFAOYSA-N

일반 설명

4-Oxo-TEMPO is formed by the reaction of 2,2,6,6-tetramethyl-4-piperidone (4-oxo-TMP) and 1O2. It is a stable paramagnetic product formed during the irradiation of TiO2 in aqueous suspensions.

애플리케이션

4-Oxo-TEMPO was employed as nitroxide standard to investigate the generation of singlet oxygen by photoexcited TiO2 in ethanol by ESR spectroscopy. It may be employed as free radical polarizing agent in dynamic nuclear polarization (DNP) studies.
Free-radical nitroxide spin probe typically used for:
  • Redox sources for anodes in lithium secondary batteries
  • Free-radical biological studies
  • Radical spin-trapping
  • Electron paramagnetic resonance studies
  • Polymer chemisty and synthesis applications

픽토그램

Environment
GHS09

신호어

Warning

유해 및 위험 성명서

H400

예방조치 성명서

P273

Hazard Classifications

Aquatic Acute 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)

시험 성적서(COA)

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문서 라이브러리 방문

Maria-Teresa Türke et al.
Physical chemistry chemical physics : PCCP, 12(22), 5893-5901 (2010-05-11)
Dynamic nuclear polarization is emerging as a potential tool to increase the sensitivity of NMR aiming at the detection of macromolecules in liquid solution. One possibility for such an experimental design is to perform the polarization step between electrons and
Impact of Gd3+ on DNP of [1-13C] pyruvate doped with trityl OX063, BDPA, or 4-oxo-TEMPO.
Lumata L, et al.
The Journal of Physical Chemistry A, 116(21), 5129-5138 (2012)
Tsai-Mu Cheng et al.
Materials science & engineering. C, Materials for biological applications, 114, 111064-111064 (2020-10-01)
P-selectin overexpressed on activated endothelial cells and platelets is a new target for treatment of cancers and cardiovascular diseases such as atherosclerosis and thrombosis. In this study, depolymerized low molecular weight fucoidan (LMWF8775) and a thermolysin-hydrolyzed protamine peptide (TPP1880) were
Mark R Kurban et al.
The Journal of chemical physics, 129(6), 064501-064501 (2008-08-22)
Bimolecular collisions between perdeuterated 2,2,6,6-tetramethyl-4-oxopiperidine-l-oxyl molecules in three alkanes have been studied by measuring the electron paramagnetic resonance (EPR) spectral changes induced by spin exchange. We define an "encounter" to be a first-time collision followed by a series of re-encounters
Marina Bennati et al.
Physical chemistry chemical physics : PCCP, 12(22), 5902-5910 (2010-05-12)
Water (1)H relaxation rate measurements of (15)N-(2)H-TEMPONE solutions at temperatures ranging from 298 to 328 K have been performed as a function of magnetic field from 0.00023 to 9.4 T, corresponding to (1)H Larmor frequencies of 0.01 to 400 MHz.
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