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About This Item
Empirical Formula (Hill Notation):
C9H16NO2
CAS Number:
Molecular Weight:
170.23
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352000
EC Number:
220-778-7
MDL number:
Form:
solid
InChI key
WSGDRFHJFJRSFY-UHFFFAOYSA-N
InChI
1S/C9H16NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h5-6H2,1-4H3
SMILES string
CC1(C)CC(=O)CC(C)(C)N1[O]
form
solid
functional group
ketone
storage temp.
2-8°C
Quality Level
General description
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.
Application
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
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R Konaka et al.
Redox report : communications in free radical research, 6(5), 319-325 (2002-01-10)
We previously reported that irradiation of titanium dioxide (TiO2) in ethanol generates both singlet oxygen (1O2) and superoxide anion (O2*-) as measured by EPR spectroscopy. The present study describes the production of reactive oxygen species upon irradiation of TiO2 in
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)
Jingyao Zhang et al.
Shock (Augusta, Ga.), 52(1), 92-101 (2018-07-22)
The aim of the present study was to investigate the effect of cold atmospheric discharge plasma-activated saline (DPAS) on abdominal sepsis. For in vitro research, Methicillin-resistant Staphylococcus aureus (MRSA) was treated with DPAS, and the survival was detected. For in
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.
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
Articles
TEMPO(2,2,6,6-四甲基哌啶氧基或2,2,6,6-四甲基哌啶1-氧基)及其衍生物在有机氧化反应催化剂中可以作为稳定的硝酰基使用。TEMPO由Lebedev和Kazarnovskii于1960年发现,其具有的稳定自由基性质得益于其庞大的取代基团阻碍了自由基与其他分子之间发生反应。
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