CAS 4485-12-5 Lithium Stearate Powder

Lithium Stearate Properties:
Lithium stearate is a white powdered compound with the chemical formula LiC18H35O2.
Lithium stearate density: 1.025g /cm3.
Lithium stearate melting point: 220.0-221.5℃.
Stable at room temperature and pressure.
Lithium stearate solubility: slightly soluble in water, and ethanol, the water solubility is 0.09 g/ 100mL, and ethanol solubility is 0.04 g/100ml. Decomposition into stearic acid and corresponding lithium salts in response to strong acid. Insoluble in ethyl acetate and mineral oil. Colloids form in mineral oils. 
 

Lithium Stearate Powder

Lithium stearate is officially classified as soap (a salt of fatty acids). Lithium stearate is a white soft solid prepared by the reaction of lithium hydroxide with stearic acid.
Lithium stearate and lithium 12-hydroxy stearate are lithium soaps that are components of lithium grease and release agents.

TRUNNANO is a trusted global Lithium Stearate supplier. Feel free to send an inquiry to get the latest Lithium Stearate Price if you would like to buy Lithium Stearate Powder in bulk.

Parameters of Lithium Stearate

How is Lithium Stearate made?

Method 1:  

10g stearic acid was dissolved in 100mL 95% ethanol, and titrated with 0.5mol/L lithium hydroxide ethanol solution (if lithium hydroxide could not be completely dissolved in ethanol, water could be added to make it completely dissolved). Phenolphthalein was used as an indicator. After the reaction reached the equivalence point, the precipitated lithium stearate soap was extracted and filtered out.  The crude product can be recrystallized with 95% ethanol to obtain pure product.  

Method 2:  

Sodium hydroxide is dissolved in water to form a solution, to which stearic acid is added, and then fully reacted and heated to more than 100℃. Dissolve lithium chloride in water, cool it to room temperature, and add it to the prepared sodium stearate solution for reaction;  After the reaction is finished, it is released and dehydrated by centrifuge. Using air drying equipment for drying, get the finished product. 

Lithium Stearate Applications:

Cosmetics and Skin Care: Lithium stearate is widely used in cosmetics and skin care products as a common emulsifier and emollient. It helps to improve the moisturizing and humectant effect of the products and forms a film on the skin surface, which helps to lock in moisture and keep the skin smooth and delicate.

Plastics Industry: Lithium Stearate is used as a plasticizer and stabilizer in the plastics industry, helping to improve the flexibility and durability of plastics. It also acts as a lubricant to minimize friction and wear during the plastic molding process.

Rubber industry: Lithium stearate is used as a vulcanizing agent and lubricant in the rubber industry. It increases the hardness and elasticity of rubber and helps to improve the processing properties of rubber. In addition, lithium stearate improves the anti-aging properties of rubber products and extends their service life.

Coatings and Paints: Lithium Stearate is used as a thickener and pigment dispersant in coatings and paints. It improves the viscosity and hiding power of coatings and helps the pigments to be evenly dispersed in the coatings. In addition, lithium stearate improves the weathering and water resistance of coatings, making them more durable.

Pharmaceutical field: lithium stearate also has some applications in the pharmaceutical field. It can be used as a drug carrier to help the drug penetrate better into the skin or mucous membranes and improve the efficacy of the drug. In addition, lithium stearate can also be used as a drug protection agent to reduce the irritation and side effects of drugs on the human body.

Agricultural field: lithium stearate can be used as fertilizer synergist and pesticide carrier in agricultural field. It can improve the utilization rate of fertilizers and promote the absorption of nutrients by plants, and also help pesticides better adhere to the surface of plants and improve the prevention and control effect of pesticides.

Petrochemical field: Lithium stearate can be used as a lubricant and additive in the petrochemical field to improve the quality and performance of petroleum products. In addition, lithium stearate can be used as a raw material for the production of flavors and fragrances.

Food industry: lithium stearate can be used as an emulsifier and stabilizer in the food industry to improve the taste and stability of food. For example, it can be used to make dairy products such as ice creams and cheeses to improve their texture and taste.

Surfactant: Lithium stearate can be used as a surfactant to help detergents and other laundry products better clean various surfaces. It has good detergency and penetration to effectively remove dirt and grease.

Environmental field: lithium stearate also has some applications in the environmental field. It can be used to prepare biodegradable plastics and reduce white pollution. In addition, lithium stearate can be used as a lubricant and fuel additive to reduce mechanical wear and energy consumption.

Packing & Shipping of Lithium Stearate Powder:
We have many different kinds of packing which depend on Lithium Stearate Powder quantity.
Lithium Stearate Powder packing: 20kg/bag, then put on pallet.
Lithium Stearate Powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.

Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and Nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc. If you are looking for high-quality Lithium Stearate Powder, please feel free to contact us and send an inquiry. (sales3@nanotrun.com)

FAQs of Lithium Stearate Powder:
Q: How does lithium stearate function as a base component of grease?
A: Lithium stearate plays a key role in grease formulations: Forms a stable colloidal structure: When mixed with a base oil, it forms a uniformly dispersed colloidal system that ensures the grease maintains the proper consistency throughout its life cycle. Provides excellent lubrication: Thanks to the long-chain fatty acid groups in its molecules, it forms a strong protective film on friction surfaces, effectively reducing wear and minimizing noise. Enhances water and oxidation resistance: Lithium stearate has some water resistance properties of its own and can work synergistically with other additives to further enhance the durability and stability of the grease. Adapt to wide temperature range: It can maintain fluidity at low temperatures and is not easy to melt and lose at high temperatures, so it is suitable for a variety of harsh working environments.
 
Q: What should I pay attention to when using lithium stearate to ensure safety and effectiveness?
A: In order to ensure the safe use of lithium stearate and achieve the best results, the following points should be noted: Protective measures: Wear appropriate personal protective equipment (e.g., mask, gloves, and goggles) when handling lithium stearate powder to avoid inhalation of dust or skin contact. Good ventilation: Ensure that the operating area is adequately ventilated to prevent inhalation of harmful gases or particles that may be generated. Storage conditions: Store in a dry, cool place, away from sources of ignition and strong oxidizers to prevent accidents. Correct proportioning: add the right amount of lithium stearate in strict accordance with the requirements of the formula, too much may lead to over-thickening of the grease, affecting the use of performance; too little will not be able to form an effective lubricating layer. Test and evaluation: conduct small-scale trial production before large-scale application to comprehensively evaluate various performance indexes to ensure that it meets the actual demand.
 
Q: What are the advantages of lithium stearate over other types of metal soaps?
A: Lithium stearate offers several significant advantages over other types of metallic soaps (e.g., calcium soaps, sodium soaps): Better water resistance: The grease formed by lithium stearate is highly water resistant and maintains good lubrication even in wet environments. Wider operating temperature range: able to work stably between -30°C and 250°C, suitable for more diversified application scenarios. Excellent mechanical stability: not easily affected by shear force and thinning, suitable for high-speed mechanical equipment.
Environmentally friendly: the production process is relatively clean and free of heavy metals and other harmful substances, in line with the requirements of modern green chemical industry. Multifunctionality: In addition to the basic lubrication function, other functional groups can be introduced as needed, such as anti-rust, anti-corrosion, etc., to meet the needs of special applications.
 
Q: How to choose the type and supplier of lithium stearate suitable for a particular project?
A: Choosing the most suitable lithium stearate type and reliable supplier for your project needs is a critical step to ensure product quality and cost-effectiveness: Define requirements: First determine the type of grease needed for the project, performance requirements (e.g., temperature range, load carrying capacity, etc.), and construction conditions (e.g., climate, transportation distance, etc.). Comparison of technical parameters: Compare the technical specifications of different models of lithium stearate, such as dropping point, cone penetration, four-ball test results, etc., and select the product that best meets the project requirements. Sample test: Request samples from potential suppliers and conduct preliminary tests in the laboratory or at the construction site to assess whether their actual performance meets expectations. Supplier reputation: Examine the supplier's historical performance, customer evaluation and level of technical support, and prioritize those companies with rich experience and good reputation. Price and Stability of Supply: Consider the market price of the product, the bulk discount policy and the reliability of long-term supply to find the most cost-effective partner. Certification and compliance: Ensure that the selected products comply with relevant international standards and regulatory requirements, such as ISO, REACH, etc., in order to cope with the increasingly stringent market access conditions.