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ChemicalBook--->CAS DataBase List--->20427-56-9

20427-56-9

20427-56-9 Structure

20427-56-9 Structure
IdentificationBack Directory
[Name]

RUTHENIUM TETROXIDE
[CAS]

20427-56-9
[Synonyms]

RuO4
RUTHENIUM TETROXIDE
rutheniumtetraoxide
Ruthenium(Ⅷ) Oxide
RUTHENIUM (VIII) OXIDE
Ruthenium oxide (RuO4)
0.5%stabilizedaqueoussolution
Ruthenium oxide (RuO4), (T-4)-
ruthenium dioxide hydrate,superfine powder
ruthenium(viii)oxide(0.5%stabilizedaqueoussolution)
Ruthenium tetroxide, 0.5% solution in water, stabilized
RutheniuM tetroxide, 0.5% solution in water, stabilized 10ML
[EINECS(EC#)]

243-813-8
[Molecular Formula]

O4Ru
[MDL Number]

MFCD00074857
[MOL File]

20427-56-9.mol
[Molecular Weight]

165.07
Chemical PropertiesBack Directory
[Appearance]

Clear orange to gold colored solution
[Melting point ]

25.4°
[Boiling point ]

bp 40°
[density ]

3.290
[storage temp. ]

Refrigerator (+4°C)
[solubility ]

slightly soluble in H2O; very soluble in ctc; reacEtOH
[form ]

Crystalline Powder
[color ]

White
[Stability:]

Stable.
[Water Solubility ]

2.03g/100mL H2O (20°C); very soluble CCl4, other chlorinated hydrocarbons [MER06] [KIR82]
[Sensitive ]

heat sensitive, store cold
[CAS DataBase Reference]

20427-56-9
Hazard InformationBack Directory
[Chemical Properties]

Clear orange to gold colored solution
[Uses]

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).
[Hazard]

Fire risk in contact with organic materials.
[Preparation]

Ruthenium tetroxide can be conveniently handled as a carbon tetrachloride solution that is easily prepared by stirring an aqueous solution of sodium periodate NaIO4 with a suspension of hydrated ruthenium dioxide in CCl4. Ruthenium tetroxide partitions between CCl4 and water, resulting in a 60:1 concentration ratio.
[Production Methods]

Ruthenium(VIII) oxide (ruthenium tetraoxide) RuO4 is formed when an alkaline ruthenium solution is treated with a strong oxidant, such as chlorine, or bromate ion when the Ru is in acid solution.
[Toxicity evaluation]

Ruthenium tetroxide(RuO4) is a toxic and explosive compound, and, although it is less toxic than OsO4, it must be handled in a well ventilated fume hood using goggles and gloves. It can be destroyed with a sodium bisulfite solution, resulting in the much safer and less toxic ruthenium dioxide, which is a dark insoluble solid with very low vapor pressure.
Safety DataBack Directory
[Safety Statements ]

16-17-36/37/39
[RIDADR ]

3139
[HazardClass ]

5.1
[PackingGroup ]

I
[HS Code ]

28439000
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Oxygen-->Ruthenium-->Ruthenium dioxide-->Potassium chlorate-->Sodium hydroxide-->Potassium permanganate-->Sodium periodate-->Ruthenium(III) chloride
[Preparation Products]

QUAZEPAM
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