179485
4-Oxo-TEMPO
Synonym(s):
4-Oxo-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical
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1 G
NOK 801.00
5 G
NOK 1,090.00
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1 G
NOK 801.00
5 G
NOK 1,090.00
About This Item
Empirical Formula (Hill Notation):
C9H16NO2
CAS Number:
Molecular Weight:
170.23
EC Number:
MDL number:
UNSPSC Code:
12352000
PubChem Substance ID:
NACRES:
NA.22
form:
solid
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form
solid
Quality Level
functional group
ketone
storage temp.
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
General description
Application
4-Oxo-TEMPO was employed as nitroxide standard to investigate the generation of singlet oxygen by photoexcited TiO2 in ethanol by ESR spectroscopy.[1] It may be employed as free radical polarizing agent in dynamic nuclear polarization (DNP) studies.[3]
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
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Acute 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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.
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
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