Isopropyl palmitate, with the CAS number 142 - 91 - 6, is a widely - used chemical compound. It appears as a clear, colorless, and odorless liquid at room temperature. This product is a fatty acid ester, specifically the ester of isopropyl alcohol and palmitic acid. It has a molecular formula of C19H38O2 and a molecular weight of approximately 298.5 g/mol. The refractive index of isopropyl palmitate is around 1.436 - 1.439, and its density is about 0.847 - 0.857 g/cm³ at 20°C. It has good solubility in most organic solvents such as ethanol, diethyl ether, and chloroform, but is insoluble in water.
Isopropyl palmitate has a wide range of applications across different industries. In the cosmetics industry, it is a popular ingredient in skincare products. It acts as an emollient, which means it helps to soften and smooth the skin by forming a protective layer on the skin's surface, preventing moisture loss. It is commonly found in moisturizers, lotions, creams, and makeup products such as foundations and lipsticks. In hair care products, it can improve the manageability and shine of hair.
In the pharmaceutical industry, isopropyl palmitate is used as a carrier or vehicle for drug delivery. It can enhance the solubility of some drugs and improve their absorption through the skin. It is also used in the formulation of some topical medications.
In the industrial field, it can be used as a lubricant and plasticizer in the production of plastics and rubber. It can improve the flexibility and workability of these materials.
When using isopropyl palmitate in cosmetics, it should be added during the formulation process at an appropriate temperature. Usually, it can be mixed with other ingredients at a temperature below 70°C to avoid decomposition. The recommended concentration in skincare products is typically between 5% - 20%, depending on the specific product requirements. In hair care products, the concentration can be adjusted according to the desired effect, usually around 3% - 15%.
In pharmaceutical applications, when used as a drug carrier, it should be formulated according to the specific drug properties and requirements. Strict quality control measures should be followed during the production process to ensure the safety and efficacy of the final product.
In industrial applications, when used as a lubricant or plasticizer, it can be directly added to the plastic or rubber mixture during the processing stage. The dosage should be determined based on the type and properties of the materials being processed.
Case 1: A skincare company wanted to develop a high - end moisturizing lotion. They added 10% isopropyl palmitate to the formula. After market testing, consumers reported that the lotion was easy to spread, absorbed quickly, and left their skin feeling soft and hydrated. The product became very popular, and the company's sales increased significantly.
Case 2: A pharmaceutical company was developing a topical anti - inflammatory drug. They used isopropyl palmitate as a carrier to improve the solubility of the active ingredient. Clinical trials showed that the drug had better absorption through the skin, resulting in more effective treatment of inflammation with fewer side effects.
Case 3: A plastic manufacturing company used isopropyl palmitate as a plasticizer in the production of PVC pipes. By adding an appropriate amount of isopropyl palmitate, the pipes became more flexible and easier to bend during installation. This improved the quality and usability of the pipes, and the company received positive feedback from customers.
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