Osmium Tetroxide

OsO₄

IUPAC: Osmium(VIII) oxide

CAS: 20816-12-0

Tổng quan

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

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Oxygen O 4 15,9990
Osmium Os 1 190,2300

Thành phần nguyên tố

O
25,2%
Os
74,8%

Công dụng

  • Electron microscopy stain
  • Sharpless dihydroxylation
  • Fingerprint development

Sự thật thú vị

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

An toàn

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

Structure

SMILES

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

Tính chất

Loại
inorganic
Trạng thái
solid
Khối lượng mol
254,23 g/mol
Mật độ
5,1000 g/cm³
Điểm nóng chảy
40,6 °C
Điểm sôi
129,7 °C
Độ hòa tan
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).