Octadecanedioic acid, with the CAS number 871 - 70 - 5, is a high - quality product known for its excellent performance and competitive price. Its chemical formula is C18H34O4, and the molar mass is approximately 314.46 g/mol. It appears as a white crystalline powder under normal conditions. This product is characterized by its high purity, which ensures reliable and consistent results in various applications. It has a melting point in the range of 122 - 125°C, and a boiling point that is relatively high, making it stable under a wide range of temperature conditions.
Octadecanedioic acid has diverse uses across different industries. In the field of polymer chemistry, it is an important monomer for the synthesis of high - performance polyamides and polyesters. These polymers are widely used in the manufacturing of engineering plastics, fibers, and films due to their excellent mechanical properties, heat resistance, and chemical resistance. In the cosmetic industry, it is used as an emollient and a thickening agent. It can improve the texture and feel of cosmetic products, such as creams and lotions, providing a smooth and moisturizing effect on the skin. Additionally, in the field of lubricants, octadecanedioic acid can be used to produce high - quality lubricating oils, which can reduce friction and wear in mechanical systems, thereby extending the service life of equipment.
When using octadecanedioic acid, it is crucial to follow proper safety and handling procedures. First, ensure that you are working in a well - ventilated area. Wear appropriate personal protective equipment, such as gloves and safety glasses, to prevent direct contact with the skin and eyes. For chemical synthesis applications, dissolve the octadecanedioic acid in a suitable solvent, such as ethanol or acetone, according to the reaction requirements. The amount of solvent used should be carefully controlled to ensure proper reaction conditions. In the cosmetic industry, it can be added to the formulation at the appropriate stage of the manufacturing process. Heat the mixture gently to ensure uniform dispersion. For lubricant applications, add the octadecanedioic acid to the base oil in the recommended proportion, and then use mechanical agitation or high - shear mixing to ensure thorough blending.
Case 1: Polymer Production
A plastics manufacturing company wanted to develop a new type of high - strength polyamide. They used octadecanedioic acid as one of the main monomers. By precisely controlling the reaction conditions and the ratio of monomers, they were able to produce a polyamide with excellent mechanical properties. The new polyamide was used to manufacture automotive parts, such as engine covers and gearboxes. These parts showed high resistance to heat, chemicals, and mechanical stress, significantly improving the performance and durability of the vehicles.
Case 2: Cosmetic Formulation
A well - known cosmetic brand was looking to improve the texture and moisturizing effect of their body cream. They incorporated octadecanedioic acid into the formula. After conducting a series of consumer tests, it was found that the new body cream had a smoother and more luxurious feel. Consumers reported that their skin felt softer and more hydrated after using the product. This led to an increase in customer satisfaction and a boost in sales.
Case 3: Lubricant Enhancement
A machinery maintenance company was experiencing excessive wear and tear on the gears of some industrial equipment. They decided to use a lubricating oil formulated with octadecanedioic acid. After applying the new lubricant, the friction between the gears was significantly reduced. The equipment ran more smoothly, and the frequency of breakdowns decreased. This not only saved on maintenance costs but also increased the overall productivity of the industrial facility.
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