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SUOYI Lithium fluoride Factory Supply Lithium fluoride lithium powder salt CAS 171611-11-3
| Name | lithium fluoride |
| Chemical formula | LiF |
| Relative molecular weight | 25.94 |
| CAS | 7789-24-4 |
| EINECS | 232-152-0 |
| Appearance and Appearance | White powder or cubic crystals. |
| Melting point (℃) | 848 |
| Relative density (water=1) | 2.6350 |
| Boiling point (℃) | 1681 (volatile at 1100-1200 ℃) |
| Solubility in water | 2.7g/L |
| Saturated vapor pressure (kPa) | 0.133/1047 ℃ |
| Solubility | insoluble in water, insoluble in alcohol, and soluble in acid. Soluble in acids, but insoluble in alcohol and other organic solvents. At room temperature, lithium fluoride is easily soluble in nitric acid and sulfuric acid, but insoluble in hydrochloric acid. |
Lithium fluoride is a salt with the chemical formula LiF, which is an alkali metal halide. It is a white crystal at room temperature and is insoluble in water. Used in nuclear industry, enamel industry, optical glass manufacturing, desiccants, fluxes, etc. It can be obtained by crystallization of lithium carbonate or lithium hydroxide with hydrofluoric acid in lead or platinum dishes.
|
Composition |
Standard/Reqiured ( % ) |
Analysis |
|
LiF |
≥99.0 |
99.16 |
|
Fe |
≤0.01 |
0.0024 |
|
Ca |
≤0.1 |
0.036 |
|
H2O |
≤0.1 |
0.046 |
|
Na+K |
≤0.05 |
0.029 |
|
SO42- |
≤0.05 |
0.024 |
|
SiO2 |
≤0.1 |
0.024 |
In the ceramic industry, it is used to reduce kiln temperature and improve heat resistance, impact resistance, wear resistance, and acid corrosion resistance. Used as a flux for metal welding together with other fluorides, chlorides, and borate salts. It is the basic component of fluoride electrolysis cell electrolyte. In high-temperature batteries, the molten state is used as the electrolyte component. Used as a carrier in a breeding reactor. A large amount of welding flux and brazing flux used in aluminum and magnesium alloys are also used as additives to improve electrical efficiency in the electrolytic aluminum industry; Used as a neutron shielding material in the atomic energy industry and as a solvent in molten salt reactors; Used as a transparent window for ultraviolet radiation in optical materials (with a transmittance of 77-88%).
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