DL - Pantolactone, with the CAS number 79 - 50 - 5, is a high - quality chemical compound. It is a lactone form of DL - pantothenic acid. Physically, it appears as a white to off - white crystalline powder. The molecular formula of DL - Pantolactone is C₅H₈O₃, and its molecular weight is approximately 116.12 g/mol. It has a melting point range of 80 - 83 °C. In terms of solubility, it is soluble in water, ethanol, and ether, which makes it suitable for a variety of applications. Our product is of high quality and comes at a low price, providing excellent cost - effectiveness for our customers.
1. **Pharmaceutical Industry**: DL - Pantolactone is an important intermediate in the synthesis of pantothenic acid and its derivatives. Pantothenic acid, also known as vitamin B5, is essential for many biological processes in the human body, such as the synthesis of coenzyme A. It is used in the production of various vitamin supplements and drugs to treat vitamin B5 deficiency - related conditions.
2. **Cosmetic Industry**: It is widely used in skin - care products. Due to its moisturizing and skin - conditioning properties, it can help improve the skin's texture, increase skin moisture content, and make the skin look smoother and more supple. It is also used in hair - care products to enhance hair shine and strength.
3. **Food Industry**: As a precursor of pantothenic acid, it can be used as a food additive to fortify food products with vitamin B5, ensuring the nutritional value of the food.
1. **In Pharmaceutical Synthesis**: When using DL - Pantolactone in pharmaceutical synthesis, it should be handled in a well - equipped laboratory environment. Wear appropriate personal protective equipment, such as gloves and goggles. First, dissolve the DL - Pantolactone in a suitable solvent according to the reaction requirements. Then, add it to the reaction mixture under controlled temperature and stirring conditions. The reaction time and temperature should be strictly controlled according to the specific synthesis process.
2. **In Cosmetic Formulation**: In cosmetic products, it can be added during the formulation process. Usually, it is added to the water phase of the emulsion at an appropriate temperature, generally around 50 - 70 °C. After adding, stir the mixture thoroughly to ensure uniform dispersion of DL - Pantolactone in the cosmetic base.
3. **In Food Fortification**: For food fortification, it should comply with relevant food safety regulations. Calculate the appropriate amount of DL - Pantolactone according to the fortification requirements of the food product. It can be added during the food processing stage, such as mixing it with other ingredients in the dough or liquid food.
1. **Pharmaceutical Case**: A pharmaceutical company was developing a new vitamin B5 supplement. They used DL - Pantolactone as the key intermediate in the synthesis process. By precisely controlling the reaction conditions, they were able to produce high - purity pantothenic acid. The final vitamin B5 supplement had excellent stability and bioavailability. After clinical trials, it was found to be effective in treating patients with mild vitamin B5 deficiency, improving their fatigue and skin problems.
2. **Cosmetic Case**: A cosmetic brand launched a new moisturizing cream. They added DL - Pantolactone to the formula. During the product development, they conducted a series of skin tests. The results showed that after using the cream for two weeks, the skin moisture content of the test subjects increased significantly, and the skin became softer and more elastic. The product received positive feedback from consumers and became one of the best - selling products of the brand.
3. **Food Case**: A food manufacturer added DL - Pantolactone to a cereal product to fortify it with vitamin B5. They carefully calculated the addition amount to meet the daily vitamin B5 requirements of consumers. After market research, consumers were satisfied with the fortified cereal, as it not only provided a good taste but also increased the nutritional value.
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