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ChemicalBook > Product Catalogue >Analytical Chemistry >Standard >Spectral Standards >4-Oxo-2,2,6,6-tetramethylpiperidinooxy

4-Oxo-2,2,6,6-tetramethylpiperidinooxy

4-Oxo-2,2,6,6-tetramethylpiperidinooxy Structure
  • ₹4027 - ₹13747.75
  • Product name: 4-Oxo-2,2,6,6-tetramethylpiperidinooxy
  • CAS: 2896-70-0
  • MF: C9H16NO2*
  • MW: 170.23
  • EINECS:220-778-7
  • MDL Number:MFCD00006187
  • Synonyms:4-Oxo-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical;4-OXO-TEMPO, FREE RADICAL 80+%;4-OXO-TEMPO, FREE RADICAL 99+%;4-OXO-2,2,6,6-TETRAMETHYLPIPERIDINOXY;4-Oxo-2,2,6,6-tetramethylpiperidine-1-oxyl(4-Oxo-TEMPO,freeradical);4-Oxo-2,2,6,6;4-Oxo-2,2,6,6-trtramethyl-1-piperidi nyloxy,free radical;2,2,6,6-Tetramethyl-4-piperidone 1-oxyl, free radical
9 prices
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Brand

  • Sigma-Aldrich
  • TCI Chemicals (India)
  • Sigma-Aldrich(India)
  • ALFA India

Package

  • 1G
  • 5G
  • 25G
  • ManufacturerSigma-Aldrich
  • Product number179485
  • Product description4-Oxo-TEMPO
  • Packaging1G
  • Price₹5791.38
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number179485
  • Product description4-Oxo-TEMPO
  • Packaging5G
  • Price₹13747.75
  • Updated2022-06-14
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberO0521
  • Product description4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation) min. 98.0 %
  • Packaging1G
  • Price₹5700
  • Updated2022-05-26
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberO0266
  • Product description4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical min. 99.0 %
  • Packaging5G
  • Price₹5800
  • Updated2022-05-26
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberO0266
  • Product description4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical min. 99.0 %
  • Packaging25G
  • Price₹10800
  • Updated2022-05-26
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number179485
  • Product description4-Oxo-TEMPO
  • Packaging1G
  • Price₹5791.38
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number179485
  • Product description4-Oxo-TEMPO
  • Packaging5G
  • Price₹13747.75
  • Updated2022-06-14
  • Buy
  • ManufacturerALFA India
  • Product numberALF-L01084-06
  • Product description4-Oxo-TEMPO, free radical, 96%
  • Packaging5g
  • Price₹6095
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-L01084-03
  • Product description4-Oxo-TEMPO, free radical, 96%
  • Packaging1g
  • Price₹4027
  • Updated2022-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Sigma-Aldrich 179485 4-Oxo-TEMPO 1G ₹5791.38 2022-06-14 Buy
Sigma-Aldrich 179485 4-Oxo-TEMPO 5G ₹13747.75 2022-06-14 Buy
TCI Chemicals (India) O0521 4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation) min. 98.0 % 1G ₹5700 2022-05-26 Buy
TCI Chemicals (India) O0266 4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical min. 99.0 % 5G ₹5800 2022-05-26 Buy
TCI Chemicals (India) O0266 4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical min. 99.0 % 25G ₹10800 2022-05-26 Buy
Sigma-Aldrich(India) 179485 4-Oxo-TEMPO 1G ₹5791.38 2022-06-14 Buy
Sigma-Aldrich(India) 179485 4-Oxo-TEMPO 5G ₹13747.75 2022-06-14 Buy
ALFA India ALF-L01084-06 4-Oxo-TEMPO, free radical, 96% 5g ₹6095 2022-05-26 Buy
ALFA India ALF-L01084-03 4-Oxo-TEMPO, free radical, 96% 1g ₹4027 2022-05-26 Buy

Properties

Melting point :33-38 °C
Boiling point :299.88°C (rough estimate)
Density :1.0710 (rough estimate)
vapor pressure :2.254Pa at 25℃
refractive index :1.4640 (estimate)
storage temp. :2-8°C
solubility :DMF: 30 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/ml; PBS (pH 7.2): 10 mg/ml
form :Needles, Crystals or Crystalline Powder
color :Orange
Water Solubility :Soluble in water (partly), acetone, DMSO, 100% ethanol, and diethylether. Insoluble in water.
BRN :1818579
LogP :0.28 at 22℃
CAS DataBase Reference :2896-70-0(CAS DataBase Reference)
NIST Chemistry Reference :1-Piperidinyloxy, 2,2,6,6-tetramethyl-4-oxo-(2896-70-0)
EPA Substance Registry System :1-Piperidinyloxy, 2,2,6,6-tetramethyl-4-oxo- (2896-70-0)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning GHS hazard pictograms P273, P391, P501
Precautionary statements:
P273 Avoid release to the environment.

Description

2,2,6,6-tetramethylpiperidin-1-oxyl (TEMPO) is a stable radical that will react with reactive oxygen species (ROS). This conversion, followed by ESR, provides an indirect way to monitor ROS production in biological systems. TEMPONE is the 4-oxo derivative of TEMPO. In addition to possible uses as a spin trap, this nitroxyl radical can be used in hydrogen transfer experiments and as a polarizing agent in dynamic nuclear polarization NMR spectroscopy. TEMPONE and other nitroxyl radicals have also been shown to reduce mean arterial pressure in spontaneously hypertensive rats when administered intravenously.

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