What’s lithium sulfide?
Lithium Sulfide
It is a yellow to white crystal that has an inverted fluorite structure. Li2S, which is a lithium sulfide, is its molecular formula. It has a molecular weight 45.95. The specific gravity of lithium sulfide to water is 1.66 (water = 1). The melting temperature of lithium sulfide at 938°C is the boiling point at 1372°C. Lithium-sulfide dissolves easily in water. Rechargeable lithium-ion batteries can use lithium sulfide as an electrolyte.
Lithium sulfide’s physical and chemical properties
Physical properties
You can find white or yellow crystals.
Features an anti-fluorite design
The specific gravity of water is 1.66.
Water soluble, easily soluble, soluble, ethanol soluble, soluble, acid soluble, insoluble, alkali insoluble
Chemistry
Highly toxic hydrogen sulfide is released when lithium sulfide absorbs the water vapor from the air.
Separating lithium sulfide with acid will liberate hydrogen sulfuride. It can also react violently to nitric acids, but it is only possible for hydrobromic and hydroiodic acids to decompose the metal when it’s heated. The reaction with concentrated sulfuric Acid is slow, while it reacts strongly with dilute. The acid is heated to approximately 300°C, and it becomes oxidized by oxygen. It does not create sulfur dioxide. Instead, it produces lithium sulfate.
Preparation and use of lithium sulfuride
You can prepare lithium sulfide in a number of ways. It was common to combine sulfur and lithium in order to create a reactant. Carbon or hydrogen could then be used to heat lithium sulfate to form lithium sulfide. The discovery that lithium and sulfur could act together in liquid ammonia was made later. Also, lithium ethoxide is capable of decomposing the ethanol-adduct from lithium hydrosulfide, thereby producing lithium sulfide. A few people started using hydrogen sulfide (lithium pentoxide) to create lithium hydrogen. They then vacuum-heated the lithium hydrogen to form lithium sulfide.
Anhydrous lithium sulfuride is a high quality product that can be made by reacting metallic lithium in tetrahydrofuran with hydrogen sulfide.
Lithium sulfide can be used
Lithium sulfuride can be used primarily as an electrolyte for rechargeable lithiumion batteries.
Precautions and storage of lithium sulfide
It is easy to absorb water vapor from the air, and it hyrolyzes. This releases highly toxic hydrogen Sulfide gas. You should keep it in a dry, ventilated place, at room temperature.
The slightest amount of hydrogen sulfide can cause water body damage. Don’t expose large or undiluted amounts of product to groundwater, sewers or sewage systems. Also, don’t discharge any materials into the environs without treating.
Itching from lithium sulfide
The skin: Itching of the mucous membranes or skin
Irritation: The Effects of Irritation
Sensitization: No evidence of sensitization
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