Overview
Hexadecanedioic Acid, also known as Thapsic acid, is a long-chain dicarboxylic acid with the molecular formula C16H30O4. It is classified as a high-purity chemical, often referred to as '优级品' (premium grade) in industrial contexts. This compound is primarily used in the synthesis of polymers, pharmaceuticals, and specialty chemicals due to its excellent thermal stability and compatibility with various materials. The production of Hexadecanedioic Acid involves controlled oxidation processes to ensure high purity levels, typically above 98%. Its versatility and performance make it a valuable raw material in multiple industrial applications, including lubricants, adhesives, and coatings.
Physical and Chemical Properties
Hexadecanedioic Acid appears as a white crystalline powder with a melting point ranging between 120-124°C. It is soluble in organic solvents such as ethanol and acetone but has limited solubility in water. The compound's molecular weight is 286.41 g/mol, and its density is not commonly specified due to its solid state. Key chemical properties include its dicarboxylic acid functionality, which allows it to participate in condensation reactions, making it ideal for polymer synthesis. Its thermal stability ensures it can withstand high-temperature processes without significant degradation, a critical feature for industrial applications.
Main Applications
Hexadecanedioic Acid is widely used in the production of polyesters and polyamides, where it acts as a monomer to enhance material properties such as flexibility and durability. In the pharmaceutical industry, it serves as an intermediate in the synthesis of active pharmaceutical ingredients (APIs) and drug delivery systems. Additionally, this compound is utilized in specialty chemicals, including lubricants and adhesives, where its long hydrocarbon chain provides excellent lubricity and binding properties. Its compatibility with various polymers makes it a preferred choice for high-performance coatings and composites.
Safety and Storage
Hexadecanedioic Acid should be handled with care to avoid inhalation or direct contact with skin and eyes. Personal protective equipment (PPE) such as gloves, goggles, and lab coats are recommended during handling. In case of exposure, rinse affected areas with plenty of water and seek medical attention if necessary. Storage conditions require a cool, dry environment away from direct sunlight and moisture. Properly sealed containers are essential to prevent contamination and degradation. The compound is stable under normal conditions but should be kept away from strong oxidizing agents to avoid hazardous reactions.
B2B Procurement Guide
When procuring Hexadecanedioic Acid, it is crucial to verify the supplier's credibility and request a Certificate of Analysis (COA) to confirm purity levels, typically above 98%. Bulk purchases may offer cost advantages, but storage capacity and shelf life should be considered. Key procurement considerations include lead times, minimum order quantities, and transportation logistics, especially for international suppliers. Establish clear communication regarding quality standards and delivery schedules to ensure a smooth supply chain. Price ranges vary based on purity and quantity, with premium-grade products commanding higher costs.
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