Sulfur Hexafluoride

SF₆

IUPAC: Sulfur hexafluoride

CAS: 2551-62-4

Overview

SF₆ is an extremely stable, non-toxic, non-flammable gas with the highest known dielectric strength. It is used as an electrical insulator in high-voltage equipment.

Composition

Element Symbol Atoms Atomic Mass
Fluorine F 6 18.9980
Sulfur S 1 32.0600

Elemental Composition

F
Fluorine ×6
78.0%
S
Sulfur ×1
21.9%

Uses

  • • Electrical insulation
  • • Magnesium casting cover gas
  • • Eye surgery
  • • Sound insulation

Fun Facts

  • ✦ Inhaling SF₆ makes your voice deeper, the opposite of helium

Safety

  • ⚠ Potent greenhouse gas (23,500x CO₂)

Structure

SMILES

FS(F)(F)(F)(F)F

Properties

Type
inorganic
State
gas
Molar Mass
146.06 g/mol
Density
0.0062 g/cm³
Melting Point
-50.7 °C
Boiling Point
-63.9 °C
Solubility
slightly soluble

Molecular Descriptors

Exact Mass
145.9625
XLogP
4.2
TPSA
1.0 Ų
H-Bond Donors
0
H-Bond Acceptors
6
Rotatable Bonds
0
Heavy Atoms
7
Complexity
62.0

Related Compounds

Aluminum Chloride

AlCl₃

Aluminum Nitride

AlN

Ammonium Persulfate

(NH₄)₂S₂O₈

Arsine

AsH₃

Barium Ferrite

BaFe₁₂O₁₉

Barium Titanate

BaTiO₃

Boron Nitride

BN

Boron Trichloride

BCl₃

Calcium Aluminate Cement

CaO·Al₂O₃

Calcium Carbide

CaC₂

Frequently Asked Questions

What is Sulfur Hexafluoride?
Sulfur Hexafluoride (SF₆) is a inorganic compound with the IUPAC name Sulfur hexafluoride.
What is the molecular weight of Sulfur Hexafluoride?
Sulfur Hexafluoride has a molar mass of 146.06 g/mol.
What state is Sulfur Hexafluoride at room temperature?
Sulfur Hexafluoride is a gas at room temperature.
Is Sulfur Hexafluoride organic or inorganic?
Sulfur Hexafluoride is classified as an inorganic compound.
What elements make up Sulfur Hexafluoride?
Sulfur Hexafluoride (SF₆) is composed of Fluorine (F), Sulfur (S).