Ricinoleic acid, with the CAS number 141 - 22 - 0, is a high - quality product offered at the best price. It is an unsaturated omega - 9 fatty acid that is a major component of castor oil, accounting for about 85% - 95% of the oil's fatty acid content. Its chemical formula is C18H34O3, and it has a molecular weight of approximately 298.46 g/mol. Ricinoleic acid is a viscous, pale - yellow liquid at room temperature with a characteristic fatty acid odor. It is insoluble in water but soluble in many organic solvents such as ethanol, ether, and chloroform.
1. **Cosmetics and Personal Care Products**: Ricinoleic acid is widely used in the cosmetics industry. It has excellent emollient properties, which means it can soften and smooth the skin. It is often found in lotions, creams, and lip balms, helping to prevent moisture loss and keep the skin hydrated. In hair care products, it can improve the manageability and shine of hair by coating the hair shafts.
2. **Pharmaceuticals**: It serves as a raw material for the synthesis of various pharmaceutical compounds. For example, it can be used to prepare surfactants and emulsifiers, which are crucial in formulating drugs in different dosage forms such as creams, ointments, and suspensions.
3. **Lubricants and Plastics**: Ricinoleic acid is used in the production of lubricants due to its good anti - wear and anti - corrosion properties. In the plastics industry, it can be used as a plasticizer, improving the flexibility and durability of plastic products.
1. **Cosmetic and Personal Care Applications**: When formulating cosmetic products, ricinoleic acid should be added to the oil phase of the emulsion. First, heat the oil phase containing ricinoleic acid to around 70 - 80°C until it is completely melted and homogeneous. Then, slowly add the water phase while stirring vigorously to form a stable emulsion. The concentration of ricinoleic acid can range from 2% - 10% depending on the specific product requirements.
2. **Pharmaceutical Applications**: In pharmaceutical manufacturing, the synthesis process involving ricinoleic acid should follow strict Good Manufacturing Practice (GMP) guidelines. It needs to be accurately weighed and mixed with other raw materials in a clean and controlled environment. The reaction conditions, such as temperature, pressure, and reaction time, should be precisely controlled according to the specific synthetic route.
3. **Lubricant and Plastic Applications**: In the production of lubricants, ricinoleic acid can be directly blended with base oils. For plastics, it can be added during the plastic extrusion or molding process, usually in a proportion of 5% - 15% to achieve the desired plasticizing effect.
1. **Cosmetic Case Study**: A well - known cosmetic company developed a new line of moisturizing creams. By incorporating 5% ricinoleic acid into the formulation, they observed a significant improvement in the product's moisturizing ability. In a consumer trial, 80% of the participants reported that their skin felt softer and more hydrated after using the cream for a week. The product also received positive feedback on its smooth texture and non - greasy feel.
2. **Pharmaceutical Case Study**: A pharmaceutical research team used ricinoleic acid to synthesize a new surfactant for a topical anti - inflammatory cream. The new surfactant improved the stability of the cream and enhanced the delivery of the active ingredient to the skin. In animal tests, the cream showed better anti - inflammatory effects compared to the previous formulation, and human clinical trials are currently underway to confirm its efficacy.
3. **Lubricant Case Study**: A machinery manufacturing company replaced a traditional lubricant with a lubricant containing 10% ricinoleic acid. They found that the new lubricant reduced the wear and tear of machine parts by 30%, resulting in longer equipment service life and lower maintenance costs.
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Este es William, CEO de Zhishang Chemical Co., Ltd.
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