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2896-70-0 - 4-Oxo-TEMPO, free radical, 96% - 4-Oxo-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical - L01084 - Alfa Aesar

L01084 4-Oxo-TEMPO, free radical, 96%

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

Dimensions Prix ($) Quantité Disponibilité
1g 38,70
5g 134,00
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4-Oxo-TEMPO, free radical, 96%


Propriétés chimiques

Poids formulaire
Point de fusion
Soluble in water (partly), acetone, DMSO, 100% ethanol, and diethylether. Insoluble in water.


4-Oxo-Tempo, Free radical is used as a useful Spin Trap for in Vitro Experiments. Reaction Between Tempone And Biologically Significant Reactive Oxygen Species can be monitored By Esr Spectroscopy. It is also used In the synthesis And Reactions Of Stable Nitroxyl Radicals.


Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from oxidizing agents. Stable under recommended storage conditions.

Références bibliographiques

KH Kuo.; WY Chiu.; KC Cheng. Influence of DMF on the polymerization of tert-butyl acrylate initiated by 4-oxo-TEMPO-capped polystyrene macroinitiator. Polymer International. 200857(5) , 730-737.

D Stewart. Synthesis and characterization of spin-labelled and spin-probed side-chain liquid crystal polymers. Polymer. 199637(15) , 3419-3425.

Reviews: Synthesis and reactions of stable nitroxyl radicals: Synthesis, 190, 401 (1971); Advances in the chemistry of nitroxide spin labels: Chem. Rev., 78, 37 (1978); Recent advances in the chemistry of nitroxides and their applications in spin labelling: J. Sci. Ind. Res., 54, 623 (1995).

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Mentions de prudence: P260u-P201-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Code tarifaire harmonisé


  • A12497

    4-Hydroxy-TEMPO, free radical, 98+%
  • A12683

    Nicotinic acid, 99%
  • A13538

    trans-Cinnamic acid, 99+%
  • A14475

    Hydrogen bromide, 33% w/w (45% w/v) soln. in acetic acid
  • A17381

    Carbamoyl-2,2,5,5-tetramethyl-3-pyrrolin-1-yloxy, free radical, 99%

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