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278904 Aldrich

Potassium dioxide

powder

Synonym: Potassium superoxide

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Properties

Related Categories Materials Science, Metal and Ceramic Science, Oxides, Potassium
form   powder

Description

Packaging

50, 250 g in glass bottle

Price and Availability

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Potassium dioxide

chunks, 5-10 mm

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granular, +140 mesh particle size, reagent grade, 97%

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
Reacts violently with water.
Hazard Codes (Europe) 
O,C
Risk Statements (Europe) 
Safety Statements (Europe) 
17-27-36/37/39
RIDADR 
UN 2466 5.1 / PGI
WGK Germany 
3
RTECS 
TT6053000

Protocols & Articles

Articles

Oxidizing and Reducing Agents

Oxidation and reduction reactions are some of the most common transformations encountered in organic synthesis, and are some of the organic chemist’s most powerful tools for creating novel products. ...
ChemFiles Volume 1 Article 3
Keywords: Organic synthesis, Oxidations, Reductions, Tools

Peer-Reviewed Papers

References

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[Paramagnetic calcium melanins]. Lebedev AV, Ivanova MV, Timoshin AA, et al. Biofizika 58(1), 47-53, (2013)

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Detection and study of the products of photooxidation of N-retinylidene-N-retinylethanolamine (A2E), the fluorophore of lipofuscin granules from retinal pigment epithelium of human donor eyes. Yakovleva MA, Sakina NL, Kononikhin AS, et al. Dokl. Biochem. Biophys. 409, 223-5, (2006)

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Superoxide reacts with hydroethidine but forms a fluorescent product that is distinctly different from ethidium: potential implications in intracellular fluorescence detection of superoxide. Zhao H, Kalivendi S, Zhang H, et al. Free Radic. Biol. Med. 34(11), 1359-68, (2003)

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Identification of the reactive oxygen species responsible for carbon tetrachloride degradation in modified Fenton's systems. Smith BA, Teel AL, and Watts RJ Environ. Sci. Technol. 38(20), 5465-9, (2004)

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Candida albicans response regulator gene SSK1 regulates a subset of genes whose functions are associated with cell wall biosynthesis and adaptation to oxidative stress. Chauhan N, Inglis D, Roman E, et al. Eukaryotic Cell 2(5), 1018-24, (2003)

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Role of 20-HETE in the hypoxia-induced activation of Ca2+-activated K+ channel currents in rat cerebral arterial muscle cells. Gebremedhin D, Yamaura K, and Harder DR Am. J. Physiol. Heart Circ. Physiol. 294(1), H107-20, (2008)

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Effects of Cu/Zn superoxide dismutase on estrogen responsiveness and oxidative stress in human breast cancer cells. Rao AK, Ziegler YS, McLeod IX, et al. Mol. Endocrinol. 22(5), 1113-24, (2008)

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Potassium superoxide as an alternative reagent for Winterfeldt oxidation of beta-carbolines. Jiang W, Zhang X, and Sui Z Org. Lett. 5(1), 43-6, (2003)

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Oxidation and nitrosation in the nitrogen monoxide/superoxide system. Daiber A, Frein D, Namgaladze D, et al. J. Biol. Chem. 277(14), 11882-8, (2002)

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Effects of tannins and related polyphenols on superoxide-induced histamine release from rat peritoneal mast cells. Kanoh R, Hatano T, Ito H, et al. Phytomedicine 7(4), 297-302, (2000)

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Production of superoxide dismutase by Deinococcus radiophilus. Yun YS and Lee YN J. Biochem. Mol. Biol. 36(3), 282-7, (2003)

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A superoxide dismutase from the archaeon Sulfolobus solfataricus is an extracellular enzyme and prevents the deactivation by superoxide of cell-bound proteins. Cannio R, D'angelo A, Rossi M, et al. Eur. J. Biochem. 267(1), 235-43, (2000)

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GC-MS and HPLC methods for peroxynitrite (ONOO- and O15NOO-) analysis: a study on stability, decomposition to nitrite and nitrate, laboratory synthesis, and formation of peroxynitrite from S-nitrosoglutathione (GSNO) and KO2. Tsikas D Analyst 136(5), 979-87, (2011)

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Reduced fluoresceinamine as a fluorescent sensor for nitric oxide. Duarte AJ and da Silva JC Sensors (Basel.) 10(3), 1661-9, (2010)

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Superoxide anion reacts with enzyme intermediate in the bacterial luciferase reaction competitive with intramolecular electron transfer. Wada N, Hastings JW, and Watanabe H J. Biolumin. Chemilumin. 12(1), 15-20, (1997)

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Radical scavenging by N-aminoazaaromatics. Itoh T, Miyazaki M, Maeta H, et al. Bioorg. Med. Chem. 8(8), 1983-9, (2000)

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Superoxide anion radical mediated dissection of rat sperm: an in vitro study. Chatterjee S, Laloraya M, and Kumar PG Arch. Androl. 39(2), 101-4, (1997)

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Evaluation of the probe dihydrocalcein acetoxymethylester as an indicator of reactive oxygen species formation and comparison with oxidative DNA base modification determined by modified alkaline elution technique. Rohnstock A and Lehmann L Toxicol. In Vitro 21(8), 1552-62, (2007)

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Nitric oxide stimulates the erythrocyte for ascorbate recycling. Spagnuolo MS, Carlucci A, Cigliano L, et al. Nitric Oxide 14(3), 272-7, (2006)

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Hydroxylation of nitrated naphthalenes with KO2/crown ether. Fukuhara K, Hara Y, Nakanishi I, et al. Chem. Pharm. Bull. 48(10), 1532-5, (2000)

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Direct observation of release of cytochrome c from lipid-encapsulated protein by peroxide and superoxide: a possible mechanism for drug-induced apoptosis. Das N, Gupta S, and Mazumdar S Biochem. Biophys. Res. Commun. 286(2), 311-4, (2001)

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Electrochemical determination of the superoxide ion concentration from KO2 dissolved in dimethyl sulfoxide. Kishioka SY, Takekawa T, and Yamada A Anal. Sci. 20(10), 1465-6, (2004)

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Efficient "one-pot" synthesis of novel 3-azabicyclic spiro-1',2',4'-triazolidin-3'-thiones catalyzed by potassium superoxide and their in vitro antibacterial and antifungal activities. Kanagarajan V and Gopalakrishnan M Eur. Rev. Med. Pharmacol. Sci. 14(6), 513-20, (2010)

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Isoforms of glucose 6-phosphate dehydrogenase in Deinococcus radiophilus. Sung JY and Lee YN J. Microbiol. 45(4), 318-25, (2007)

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Comparative evaluation of the genotoxic properties of potassium bromate and potassium superoxide in V79 Chinese hamster cells. Speit G, Haupter S, Schütz P, et al. Mutat. Res. 439(2), 213-21, (1999)

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Fieser 6,488 / Fieser 7,304 / Fieser 8,417 / Fieser 9,391 / Fieser 11,442 / Fieser 12,413 / Fieser 13,260 / Fieser 15,275

Corp MSDS 1 (2), 2909:D / RegBook 1 (3), 3293:I

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