Osmium tetroxide (OsO₄) is a colorless, crystalline solid or pale-yellow mass with an unpleasant, acrid, chlorine-like odor. Osmium tetroxide is highly poisonous. Exposure to osmium tetroxide may cause harm to the skin, eyes, and respiratory system.

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, a histological dye and a NMR chemical shift reference compound.

Osmium tetroxide (OsO4) is a highly poisonous, pale yellow solid that is volatile. It is a corrosive oxidizer that produces an acrid chlorine like odor. Osmium tetroxide is most commonly used in oxidation reactions and as a fixative for biological staining.

2022年7月19日 · Osmium tetroxide causes long-term toxicity to liver and kidneys. Osmium tetroxide has poor warning properties of over-exposure and symptoms may be delayed. Seek medical attention if you experience any of the following symptoms during or after work with osmium tetroxide.

Osmic acid anhydride, Osmium oxide. Colorless, crystalline solid or pale-yellow mass with an unpleasant, acrid, chlorine-like odor. [Note: A liquid above 105°F.] Hydrochloric acid, easily oxidized organic materials [Note: Begins to sublime below BP. …

Osmium tetroxide is the chemical compound with the formula OsO4. The compound is noteworthy for its many uses, despite the rarity of osmium. Pure OsO 4 is colorless and volatile; it has a characteristic acrid chlorine-like odor and is soluble in a wide range of organic solvents.

Osmium tetroxide (1), a yellow, crystalline, low melting point solid, is probably the most reliable reagent known for transforming an alkene (e.g., (2)) into the corresponding cis -diol.

Description: Colorless to pale yellow crystalline solid or mass with pungent (unpleasant), acrid, chlorine-like odor. High acute toxicity; severe irritant of the eyes and respiratory tract; vapor can cause serious eye damage. Routes of exposure include skin & …

2018年1月31日 · ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Osmium tetroxide [20816-12-0], as Os. See annual publication for most recent information.

2007年9月1日 · Osmium tetroxide or osmic acid anhydride (OsO 4) is a pale yellow or colorless crystalline solid with a pungent odor. 1 It is volatile at room temperature and easily sublimes. It is synthesized industrially by heating osmium metal to 300–400 °C in the presence of air or oxygen.