High-Purity Lithium Chloride for Industrial Applications and Research

• Customization: Available
• CAS No.: 7447 - 41 - 8
• Formula: Licl
• EINECS: 231 - 212 - 3
• Purity: ≥99%
• Grade Standard: Industrial Grade
• Melting Point: Excellent
• Transport Package: Bag
• Specification: 25kg/50kg
• Trademark: //
• Origin: China
• Production Capacity: 500000t

Product Description

 

Product Description

 

Basic Information

 

• Chemical Name and Structure: Lithium Chloride, with the chemical formula LiCl. Structurally, it is an ionic compound composed of lithium ions (Li⁺) and chloride ions (Cl^-). The lithium ion has a relatively small radius and a relatively high charge density, which endows lithium chloride with some unique physical and chemical properties.
• Appearance and Properties: Lithium chloride usually appears as a white crystalline powder and is deliquescent. In a dry environment, it presents a typical crystalline appearance. However, in an environment with slightly higher humidity, it will absorb moisture from the air, and its surface may become damp or even dissolve. This deliquescence is due to the strong affinity of lithium chloride for water molecules.

 

Physical and Chemical Properties

 

• Solubility: Lithium chloride has good solubility. Its solubility in water increases significantly with increasing temperature. For example, at 0°C, its solubility is approximately 63.7g/100mL, and at 100°C, the solubility can reach 127.5g/100mL. It can also dissolve in some organic solvents such as ethanol , but its solubility in these organic solvents is relatively small.
• Melting Point and Boiling Point: The melting point of lithium chloride is 605°C, and the boiling point is 1382°C. The relatively high melting point and boiling point indicate that it is a relatively stable solid at room temperature, but its state will change in a high - temperature environment. These thermal properties have important reference value for its application in some high - temperature processes.
• Density: The density of lithium chloride is approximately 2.07g/cm³. The density affects the weight and volume calculation during its storage and transportation and also plays a certain role in some application scenarios involving material mixing or layering.
• Acidity and Alkalinity: The aqueous solution of lithium chloride is neutral. This is because lithium ions (Li⁺) and chloride ions (Cl^-) do not undergo hydrolysis reactions in water and do not cause significant changes in the concentration of hydrogen ions (H⁺) or hydroxide ions (OH^-).

 

Sources and Production Methods

 

• Ore Extraction: The main lithium - containing ores include spodumene and lepidolite. Taking spodumene as an example, the ore is first pretreated through processes such as ore dressing, crushing, and grinding, and then chemical methods such as the sulfuric acid method are used for extraction. In the sulfuric acid method, spodumene reacts with sulfuric acid to generate lithium sulfate (Li2SO4), and then through a series of conversion reactions, lithium chloride is finally obtained.
• Salt Lake Brine Extraction: In some salt lake brines rich in lithium, lithium chloride is one of the main lithium salt forms. By evaporating and concentrating the brine, lithium chloride and other salts are crystallized. Subsequently, chemical separation methods are used to remove impurities and further purify lithium chloride. This method has a relatively low cost and is the main production method in some regions with abundant salt lake resources.

 

Quality Standards and Specifications

 

• Purity Requirements: The purity of industrial - grade lithium chloride is generally around 98% - 99% and is mainly used in some industrial fields where the purity requirement is not extremely high, such as metallurgy and welding. In fields such as electronics and medicine, the purity of lithium chloride used is required to be higher, usually reaching more than 99.9% to ensure the performance and quality of the product.
• Impurity Limitations: There are strict limitations on the impurity content in lithium chloride. Common impurities include metal ions such as sodium (Na), potassium (K), calcium (Ca), and magnesium (Mg), as well as anions such as sulfate (SO4²^-) and carbonate (CO3²^-). In high - quality lithium chloride products, the content of these impurities is usually controlled at a very low level. For example, the sodium content may not exceed 0.01%, and the sulfate content may not exceed 0.05%.

 

Uses and Application Fields

 

• Battery Industry: Lithium chloride plays an important role in the manufacture of lithium - ion batteries. It can be used as an additive for electrolytes to improve battery performance. For example, in some high - performance lithium - ion battery electrolytes, adding an appropriate amount of lithium chloride can improve the ionic conductivity of the battery, thereby improving the charging - discharging efficiency and cycle life of the battery.
• Metallurgical Industry: In the production process of metallic lithium, lithium chloride is an important raw material. High - purity metallic lithium can be produced by electrolyzing lithium chloride. At the same time, in the preparation of some alloy materials such as aluminum alloys, lithium chloride can be used as a flux to reduce the melting point of the metal and facilitate the smelting operation.
• Medical Field: Lithium chloride has certain applications in the medical field. In the research of some drugs for treating mental diseases, it has been found that lithium chloride may have a regulatory effect on the nervous system. In addition, it can also be used as a reagent in pharmaceutical synthesis to synthesize certain compounds with specific pharmacological activities.
• Air - Conditioning Industry: The lithium chloride solution has a strong water - absorbing property and is used as an absorbent in absorption refrigeration systems. In air - conditioning equipment, the absorption and release of water vapor by the lithium chloride solution are utilized to achieve the refrigeration effect. This refrigeration method is relatively environmentally friendly and has certain energy - saving advantages.

 

 

 

 

 

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