• Iridium tetroxide (IrO4, Iridium(VIII) oxide) is a binary compound of oxygen and iridium in oxidation state +8. This compound was formed by photochemical...
    3 KB (275 words) - 17:50, 29 December 2022
  • Thumbnail for Iridium
    Riedel, S. (2009). "Formation and Characterization of the Iridium Tetroxide Molecule with Iridium in the Oxidation State +VIII". Angewandte Chemie International...
    81 KB (7,801 words) - 22:43, 20 March 2024
  • Thumbnail for Oxide
    Oxide (redirect from Tetroxide)
    P4O10. Tetroxides are rare, with a few more common examples being iridium tetroxide, ruthenium tetroxide, osmium tetroxide, and xenon tetroxide. Reduction...
    12 KB (1,526 words) - 20:57, 8 December 2023
  • Thumbnail for Osmium
    Sebastian (2009). "Formation and Characterization of the Iridium Tetroxide Molecule with Iridium in the Oxidation State +VIII". Angewandte Chemie International...
    48 KB (5,537 words) - 03:29, 25 March 2024
  • sesquiselenides are known, as well as IrS 3. Another oxide, iridium tetroxide, is also known, with iridium in the +8 oxiation state. This compound was formed by...
    17 KB (1,795 words) - 18:08, 5 January 2024
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    electron overall. While iridium is known to show a +8 state in iridium tetroxide, as well as a unique +9 state in the iridium tetroxide cation IrO+ 4, the...
    95 KB (13,906 words) - 12:52, 28 January 2024
  • observed in [(η2-O2)IrO2]+; see C&EN: Iridium dressed to the nines. Ir(VIII) has been observed in iridium tetroxide (IrO4); see Gong, Yu; Zhou, Mingfei;...
    46 KB (14,106 words) - 15:20, 24 February 2024
  • Thumbnail for Meitnerium
    Meitnerium (redirect from Eka-Iridium)
    been carried out to confirm that it behaves as the heavier homologue to iridium in group 9 as the seventh member of the 6d series of transition metals...
    30 KB (6,811 words) - 09:19, 28 March 2024
  • Sebastian (2009). "Formation and Characterization of the Iridium Tetroxide Molecule with Iridium in the Oxidation State +VIII". Angewandte Chemie International...
    23 KB (2,385 words) - 01:51, 24 November 2023
  • Thumbnail for Vandenberg Space Launch Complex 4
    launch complex with debris and toxic propellant (hydrazine and dinitrogen tetroxide), resulting in extensive damage. 16 months after the accident, the pad...
    77 KB (2,068 words) - 04:42, 29 March 2024
  • Thumbnail for Ruthenium
    tetrahedral ruthenium tetroxide, RuO4, an aggressive, strong oxidizing agent with structure and properties analogous to osmium tetroxide. RuO4 is mostly used...
    50 KB (5,747 words) - 01:41, 14 March 2024
  • ICl5 Iodine tribromide - IBr3 Iridium(IV) chloride – IrCl4 Iridium(V) fluoride – IrF5 Iridium hexafluoride – IrF6 Iridium tetrafluoride – IrF4 Columbite...
    119 KB (8,722 words) - 14:04, 26 March 2024
  • N2O3 (dinitrogen trioxide), NO2 (nitrogen dioxide), N2O4 (dinitrogen tetroxide), N2O5 (dinitrogen pentoxide), N4O (nitrosylazide), and N(NO2)3 (trinitramide)...
    34 KB (4,288 words) - 09:04, 25 February 2024
  • Thumbnail for Scanning electron microscope
    impregnation with osmium using variants of the OTO staining method (O-osmium tetroxide, T-thiocarbohydrazide, O-osmium). Nonconducting specimens may be imaged...
    66 KB (8,137 words) - 19:19, 17 March 2024
  • Thumbnail for Proton-K
    Proton-K was fuelled by Unsymmetrical dimethylhydrazine and nitrogen tetroxide. These were hypergolic fuels which burn on contact, avoiding the need...
    20 KB (887 words) - 18:41, 9 January 2023
  • Thumbnail for Nitrogen
    N2O3 (dinitrogen trioxide), NO2 (nitrogen dioxide), N2O4 (dinitrogen tetroxide), N2O5 (dinitrogen pentoxide), N4O (nitrosylazide), and N(NO2)3 (trinitramide)...
    105 KB (12,177 words) - 20:06, 9 February 2024
  • the main stages and associated liquid rocket boosters use dinitrogen tetroxide (N2O4) as the oxidizing agent and UDMH as the fuel. The upper stages (third...
    37 KB (3,302 words) - 19:04, 31 January 2024
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    consumed over a period of two months to three years). Exposure to osmium tetroxide (OsO4) may cause permanent eye damage and can lead to respiratory failure...
    179 KB (15,069 words) - 07:45, 19 March 2024
  • Thumbnail for Long March 2C
    two-stage launch vehicle with storable propellants, consisting of Nitrogen Tetroxide and Unsymmetrical Dimethylhydrazine. The launch vehicle was derived from...
    21 KB (678 words) - 13:09, 23 March 2024
  • properties than other traditional propellants such as hydrazine and nitrogen tetroxide. The latter are pure liquids, which (except for trace contaminants) can...
    7 KB (653 words) - 18:09, 12 March 2024
  • Thumbnail for Karl Ernst Claus
    osmium tetroxide – a rather toxic chemical – he described its taste as astringent and pepper-like. In April 1845, he was poisoned by osmium tetroxide vapors...
    10 KB (1,035 words) - 04:31, 12 February 2024
  • iridium(V) fluoride 14568–19–5 IrF6 iridium(VI) fluoride 7783–75–7 IrI2 iridium(II) iodide 19253–38–4 IrI3 iridium(III) iodide 7790–41–2 IrI4 iridium(IV)...
    139 KB (120 words) - 19:28, 6 February 2024
  • Thumbnail for Hydrazine
    are used in two-component rocket fuels, often together with dinitrogen tetroxide, N2O4. A 50:50 mixture by weight of hydrazine and UDMH was used in the...
    50 KB (5,177 words) - 14:05, 8 March 2024
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    properties have been measured, such as enthalpy of adsorption of hassium tetroxide, but properties of hassium metal remain unknown and only predictions are...
    9 KB (909 words) - 23:48, 5 December 2023
  • are oxidizing agents such as potassium permanganate (KMnO4) and osmium tetroxide (OsO4). Compounds such as these are widely used for converting alkenes...
    19 KB (1,843 words) - 23:14, 16 January 2024
  • Thumbnail for Xenon
    yields gaseous xenon tetroxide: Ba 2XeO 6 + 2 H 2SO 4 → 2 BaSO 4 + 2 H 2O + XeO 4 To prevent decomposition, the xenon tetroxide thus formed is quickly...
    110 KB (11,984 words) - 06:03, 21 March 2024
  • Thumbnail for History of the periodic table
    all, and as such, their placement in a group where elements should form tetroxides was seen as merely auxiliary and not natural; Mendeleev doubted inclusion...
    90 KB (10,896 words) - 23:51, 24 March 2024
  • Thumbnail for Noble gas
    (XeF 2), xenon tetrafluoride (XeF 4), xenon hexafluoride (XeF 6), xenon tetroxide (XeO 4), and sodium perxenate (Na 4XeO 6). Xenon reacts with fluorine...
    72 KB (7,317 words) - 04:04, 29 March 2024
  • went a step further, in 1895, and proposed the existence of hydrogen tetroxide HO–O–O–OH as a transient intermediate in the decomposition of hydrogen...
    61 KB (8,905 words) - 02:09, 7 December 2023
  • Thumbnail for Antimony
    concentrated nitric acid. Antimony also forms a mixed-valence oxide, antimony tetroxide (Sb 2O 4), which features both Sb(III) and Sb(V). Unlike oxides of phosphorus...
    60 KB (6,879 words) - 18:02, 21 March 2024