Ruthenium tetroxide
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Ruthenium tetroxide
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CAS No:
20427-56-9
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Formula:
O4Ru
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Chemical Name:
Ruthenium tetroxide
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Synonyms:
Ruthenium oxide (RuO4),(T-4)-;Ruthenium oxide (RuO4);Ruthenium tetroxide;Ruthenium tetraoxide;Ruthenium(VIII) oxide;Ruthenium(VIII) tetraoxide;Tetraoxoruthenium
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CAS No:
Description
Ruthenium tetroxide is a golden-yellow volatile solid with an acrid odor, sparingly soluble in water and freely soluble in CCl4, in which it forms stable solutions. In comparison with the analogous compound OsO4, ruthenium tetroxide is a stronger oxidizing agent that reacts violently-resulting in explosion and/or flames-with most common organic solvents such as ether, alcohols, benzene, and pyridine, 1 and also with filter paper.
Ruthenium tetroxide is a clear orange to gold colore
Characteristics
68.3
-0.47520
White Crystalline Powder
3.290
25 °C
bp 40°
H2O: 2.03g/100mL H2O (20°C); very soluble CCl4, other chlorinated hydrocarbons [KIR82]
Refrigerator (+4°C)
Ruthenium tetroxide Use and Manufacturing
The powdered metal ruthenium is heated in oxygen at 800-900°C for 1 h; or the ruthenium sulfide, sulfate, and chloride are burned in air or oxygen to prepare a ruthenium dioxide product.
Oxidizing agent similar to osmium tetroxide, but more difficult to handle.The solvents normally employed in OsO4 oxidations (ether, benzene, pyridine) cannot be used because of their violent reaction with RuO4.Only CCl4 is recommended:Djerassi, Engle, J. Am. Chem. Soc. 75, 3838 (1953).
Computed Properties
Molecular Weight:165.1
Hydrogen Bond Acceptor Count:4
Exact Mass:165.883999
Monoisotopic Mass:165.883999
Topological Polar Surface Area:68.3
Heavy Atom Count:5
Complexity:138
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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