Is osmium tetroxide a metal?
Osmium tetroxide (also osmium(VIII) oxide) is the chemical compound with the formula OsO4. The compound is noteworthy for its many uses, despite its toxicity and the rarity of osmium. It also has a number of unusual properties, one being that the solid is volatile....Osmium tetroxide.NamesCompTox Dashboard ( EPA )DTXSID504224556 more rows
Is osmium an oxide?
Osmium dioxide is an inorganic compound with the formula OsO2. It exists as brown to black crystalline powder, but single crystals are golden and exhibit metallic conductivity....Osmium dioxide.NamesDensity11.4 g/cm3Melting point500 °C (932 °F; 773 K) (decomposes)Related compoundsRelated osmium oxidesOsmium tetroxide12 more rows
How is osmium tetroxide made?
Industrially, OsO4 is made from crude platinum concentrates by oxidative acid distillation and is then separated from ruthenium tetroxide. In the laboratory it is best made by direct oxidation of osmium metal (2) or by the acid distillation with chlorate of almost any osmium compound.
Is OsO4 a molecular compound?
Osmium tetroxide (also osmium(VIII) oxide) is the chemical compound with the formula OsO4. The compound is noteworthy for its many uses, despite its toxicity and the rarity of osmium....CHEBI:88215 - osmium tetroxide.ChEBI Nameosmium tetroxideChEBI IDCHEBI:882159 more rows•Oct 14, 2015
What is the function of osmium tetroxide?
Osmium tetroxide is an osmium coordination entity consisting of four oxygen atoms bound to a central osmium atom via covalent double bonds. It has a role as an oxidising agent, a poison, a fixative and a histological dye.
What is osmium made of?
Natural osmium consists of a mixture of seven stable isotopes: osmium-184 (0.02 percent), osmium-186 (1.59 percent), osmium-187 (1.96 percent), osmium-188 (13.24 percent), osmium-189 (16.15 percent), osmium-190 (26.26 percent), and osmium-192 (40.78 percent).
Can you touch osmium?
Osmium tetroxide, OsO4, is highly toxic. Concentrations in air as low as 10-7 g m-3 can cause lung congestion, skin damage, and severe eye damage. The oxide, in particular, should only ever be handled by a properly qualified chemist.
What does osmium tetroxide smell like?
chlorine-likeOsmium tetroxide (otherwise known as osmic acid anhydride, osmium oxide, and osmium tetraoxide) is an extremely toxic substance that is a colorless to pale yellow or white crystalline solid with an acrid and unpleasant “chlorine-like” odor at room temperature.
Can you melt osmium?
They are also among the highest of all elements. Osmium is unworkable as a metal. It cannot be melted and shaped like most metals.
What is the meaning of tetroxide?
Definition of tetroxide : a compound of an element or group with four atoms of oxygen.
What is formula of osmium tetroxide?
OsO4Osmium tetroxide / Formula
What is the oxidation state of OS in OsO4?
+8Hence the oxidation number of osmium is +8.