Osmium Tetroxide

OsO₄

IUPAC: Osmium(VIII) oxide

CAS: 20816-12-0

概要

Osmium tetroxide is a powerful oxidizing agent used to stain biological tissue for electron microscopy and to dihydroxylate alkenes in organic synthesis.

組成

元素 記号 原子 原子質量
Oxygen O 4 15.9990
Osmium Os 1 190.2300

元素組成

O
25.2%
Os
74.8%

用途

  • Electron microscopy stain
  • Sharpless dihydroxylation
  • Fingerprint development

豆知識

  • The Sharpless asymmetric dihydroxylation using OsO₄ won the 2001 Nobel Prize in Chemistry

安全性

  • ⚠ Extremely toxic
  • ⚠ Volatile
  • ⚠ Damages eyes and lungs at ppb levels

Structure

SMILES

O=[Os](=O)(=O)=O

特性

タイプ
inorganic
状態
solid
モル質量
254.23 g/mol
密度
5.1000 g/cm³
融点
40.6 °C
沸点
129.7 °C
溶解度
57 g/L at 25°C

Molecular Descriptors

Exact Mass
255.9411
TPSA
68.3 Ų
H-Bond Donors
0
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
5
Complexity
138.0

Frequently Asked Questions

What is Osmium Tetroxide?
Osmium Tetroxide (OsO₄) is a inorganic compound with the IUPAC name Osmium(VIII) oxide.
What is the molecular weight of Osmium Tetroxide?
Osmium Tetroxide has a molar mass of 254.23 g/mol.
What state is Osmium Tetroxide at room temperature?
Osmium Tetroxide is a solid at room temperature.
Is Osmium Tetroxide organic or inorganic?
Osmium Tetroxide is classified as an inorganic compound.
What elements make up Osmium Tetroxide?
Osmium Tetroxide (OsO₄) is composed of Oxygen (O), Osmium (Os).