Lithium Fluoride

LiF

IUPAC: Lithium fluoride

CAS: 7789-24-4

Overview

Lithium fluoride is a white crystalline salt notable for its extremely low solubility compared to other alkali metal halides. It is used in optics as it transmits UV light.

Composition

Element Symbol Atoms Atomic Mass
Lithium Li 1 6.9410
Fluorine F 1 18.9980

Elemental Composition

Uses

  • UV optics
  • Radiation dosimetry
  • Molten salt reactor coolant
  • Brazing flux

Fun Facts

  • Has the highest UV transmission of any crystal, down to 104 nm

Structure

SMILES

[Li+].[F-]

Properties

Type
salt
State
solid
Molar Mass
25.94 g/mol
Density
2.6400 g/cm³
Melting Point
848.2 °C
Boiling Point
1676.0 °C
Solubility
1.3 g/L at 25°C

Molecular Descriptors

Exact Mass
26.0144
TPSA
0.0 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
Complexity
2.0

Frequently Asked Questions

What is Lithium Fluoride?
Lithium Fluoride (LiF) is a salt compound with the IUPAC name Lithium fluoride.
What is the molecular weight of Lithium Fluoride?
Lithium Fluoride has a molar mass of 25.94 g/mol.
What state is Lithium Fluoride at room temperature?
Lithium Fluoride is a solid at room temperature.
Is Lithium Fluoride organic or inorganic?
Lithium Fluoride is classified as an inorganic compound.
What elements make up Lithium Fluoride?
Lithium Fluoride (LiF) is composed of Lithium (Li), Fluorine (F).