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Lithium 12-Hydroxystearate
Lithium 12-hydroxystearate, known as 12-羟基硬脂酸锂 in Chinese, is a lithium soap with the chemical formula C18H35LiO3 and a CAS number of 7620-77-1. This compound is widely recognized for its exceptional properties and is frequently utilized as a thickening agent in various lubricants and greases.
Product Description
Chemical Properties
- Molecular Weight: 306.41 g/mol
- Melting Point: Approximately 200 °C
- Appearance: White solid
- EINECS Number: 231-536-5
- InChI: InChI=1/C18H36O3.Li/c1-2-3-4-11-14-17(19)15-12-9-7-5-6-8-10-13-16-18(20)21;/h17,19H,2-16H2,1H3,(H,20,21);/q;+1/p-1/t17-;/m0./s1
Lithium 12-hydroxystearate is distinguished by its high oxidation stability and relatively high dropping point, qualities that make it particularly suitable for applications requiring thermal stability.
Physical Properties
| Property | Value |
|---|---|
| Melting Point | 200 °C |
| Molecular Formula | C18H35LiO3 |
| Molecular Weight | 306.41 g/mol |
| Appearance | White solid |
Applications
1. Lubricating Greases
Lithium 12-hydroxystearate is predominantly used in the formulation of lubricating greases across diverse industries:
- Automotive Industry: It serves as a key component in greases used for vehicle maintenance, providing excellent lubrication and protection against wear.
- Aerospace Applications: Its high dropping point allows it to function effectively in the extreme conditions typical of aerospace environments.
- Industrial Machinery: The compound enhances the performance of greases used in heavy machinery, ensuring reliability under high loads.
2. Thickening Agent
As a thickener, lithium 12-hydroxystearate improves the viscosity of lubricants, allowing them to adhere better to surfaces and maintain their properties over time. This property is crucial for:
- Water Resistance: Greases formulated with lithium soaps exhibit superior resistance to water washout.
- Mechanical Stability: They maintain their structure and performance under mechanical stress.
3. Specialty Applications
Lithium 12-hydroxystearate also finds use in:
- Functional Materials: Research indicates its potential applications in battery materials and catalysts due to its unique chemical properties.
- Complex Lithium Greases: It serves as a base for producing lithium complex greases, which offer enhanced performance characteristics compared to standard lithium soap greases.
Seller Information
Classification of the Substance or Mixture
Lithium 12-hydroxystearate is classified according to international chemical regulations, with specific hazard statements and precautionary measures outlined in its GHS label.
GHS Label Elements
- Signal Word: Danger
- Hazard Statements: H315 (Causes skin irritation), H319 (Causes serious eye irritation)
- Precautionary Statements: P261 (Avoid breathing dust/fume/gas/mist/vapours/spray), P264 (Wash hands thoroughly after handling), and more as per GHS standards.
Other Hazards Which Do Not Result in Classification
While lithium 12-hydroxystearate does not pose significant hazards beyond its GHS classification, it should be handled with care to avoid unnecessary exposure.
Precautions for Safe Handling
- Wear appropriate personal protective equipment, including gloves, goggles, and respiratory protection.
- Handle in a well-ventilated area and avoid contact with incompatible materials.
- Follow proper spill containment and cleanup procedures in case of accidental exposure.
Conditions for Safe Storage
- Store in a cool, dry place away from heat and open flames.
- Keep away from incompatible substances such as acids and oxidizing agents.
- Observe the shelf life and recommended retesting intervals to ensure product integrity.
Conclusion
Lithium 12-hydroxystearate is an essential compound in the lubrication industry due to its excellent thermal stability, water resistance, and mechanical properties. Its diverse applications range from automotive to aerospace and industrial sectors, making it a vital ingredient in high-performance lubricants. As a supplier of high-quality, competitively priced lithium 12-hydroxystearate, we invite you to contact us for further inquiries, samples, or orders. Our team is dedicated to providing exceptional customer support and ensuring your satisfaction with our products.