Overview
Distearate, commonly referred to as dibasic ester, is a chemical compound derived from stearic acid. It is widely utilized in various industrial applications due to its excellent lubricating properties and thermal stability. The compound is typically available as a white to off-white powder or flakes and is insoluble in water but soluble in organic solvents. Distearate is valued for its versatility in formulations, particularly in the production of lubricants, plasticizers, and emulsifiers. Its chemical stability and low volatility make it a preferred choice for high-temperature applications. The compound is also used in coatings and other specialty chemical products.
Physical and Chemical Properties
Distearate exhibits a molecular weight of approximately 566.94 g/mol and a density of around 0.9 g/cm³. It has a melting point range of 60-70°C and a boiling point exceeding 300°C, indicating its thermal stability. The compound is insoluble in water but dissolves readily in organic solvents such as ethanol and acetone. Key properties of distearate include high lubricity, which makes it ideal for reducing friction in mechanical systems, and its ability to act as a plasticizer, enhancing the flexibility of polymers. These characteristics are critical for its applications in industrial lubricants and plastic products.
Main Applications
Distearate is primarily used in the formulation of industrial lubricants, where its high lubricity and thermal stability are advantageous. It is also employed as a plasticizer in the production of flexible plastics, improving their durability and workability. Additionally, distearate serves as an emulsifier in various chemical processes, aiding in the stabilization of mixtures. Other applications include its use in coatings, where it enhances texture and performance, and in specialty chemicals for niche industrial needs. The compound's versatility and reliability make it a staple in many manufacturing sectors.
Safety and Storage
When handling distearate, it is essential to avoid inhalation and direct contact with skin or eyes. Personal protective equipment (PPE) such as gloves and goggles should be worn to minimize exposure. The compound should be stored in a cool, dry place away from direct sunlight to maintain its stability. In case of accidental exposure, rinse affected areas with plenty of water and seek medical attention if necessary. Proper storage and handling procedures are crucial to ensuring safety and preserving the quality of the product.
B2B Procurement Guide
When procuring distearate, B2B buyers should prioritize verifying the purity and certifications of the product. Reputable suppliers should provide detailed specifications and safety data sheets (SDS) to ensure compliance with industry standards. Bulk purchases may offer cost advantages, but buyers should also consider storage capabilities. It is advisable to request samples for testing before committing to large orders. Additionally, buyers should evaluate the supplier's reliability, delivery timelines, and customer support to ensure a smooth procurement process.
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