Oleic acid, with the CAS number 112 - 80 - 1, is a monounsaturated omega - 9 fatty acid. It is a colorless to pale yellowish - oily liquid. Chemically, it has the molecular formula C₁₈H₃₄O₂, and its molar mass is approximately 282.46 g/mol. Oleic acid has a melting point around 13.4 °C and a boiling point of about 360 °C. It is insoluble in water but soluble in many organic solvents such as ethanol, ether, and chloroform. High - quality oleic acid with a good price often meets strict purity standards, usually having a purity of over 99%. The high purity ensures its effectiveness in various applications.
Oleic acid has a wide range of uses across different industries. In the food industry, it is used as an emulsifier, a flavoring agent, and a lubricant. It can improve the texture and stability of food products such as margarine, salad dressings, and bakery items. In the cosmetic industry, oleic acid is a key ingredient in many skincare and haircare products. It helps to moisturize the skin, reduce dryness and flakiness, and improve the softness and smoothness of hair. In the pharmaceutical industry, it can be used as a solvent for certain drugs and as an excipient in drug formulations. Additionally, oleic acid is also used in the production of soaps, detergents, and lubricants due to its surfactant and lubricating properties.
When using oleic acid in the food industry, it should be added in appropriate amounts according to the specific recipe and regulatory requirements. For example, when used as an emulsifier in salad dressings, it is usually added during the mixing process. In cosmetic products, it can be incorporated into creams, lotions, or serums during the formulation stage. However, it is important to ensure proper mixing and homogenization to achieve a stable product. In the pharmaceutical field, the use of oleic acid requires strict adherence to pharmaceutical manufacturing standards. It may need to be sterilized before use in injectable formulations. When using oleic acid in industrial applications such as lubricants, it should be properly proportioned with other components to achieve the desired performance.
Food Industry: Salad Dressing: A well - known salad dressing manufacturer was facing issues with the stability of their dressing. The dressing would separate over time, which was not visually appealing to consumers. By adding high - quality oleic acid as an emulsifier, they were able to improve the stability of the dressing. They added 2% oleic acid during the mixing process, and the dressing remained homogeneous for a much longer period, leading to increased customer satisfaction and sales.
Cosmetic Industry: Moisturizing Cream: A skincare company wanted to develop a new moisturizing cream with enhanced moisturizing properties. They incorporated oleic acid into their formulation at a concentration of 5%. The cream was tested on a group of volunteers with dry skin. After two weeks of use, the volunteers reported a significant improvement in skin hydration, reduced dryness, and increased softness. This led to the successful launch of the new product in the market.
Pharmaceutical Industry: Oral Suspension: A pharmaceutical company was developing an oral suspension for a pediatric drug. They used oleic acid as a solvent for the active ingredient. By carefully controlling the amount of oleic acid and ensuring proper solubilization, they were able to produce a stable and palatable oral suspension. Clinical trials showed that children were more willing to take the medication, and the drug's efficacy was maintained.
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