Isosorbide (CAS 652 - 67 - 5) is a bicyclic diol derived from sorbitol. It is a white to off - white crystalline powder with a mild sweet taste. Isosorbide has a molecular formula of C6H10O4 and a molecular weight of approximately 146.14 g/mol. It is highly soluble in water and polar organic solvents like ethanol.
The melting point of isosorbide is around 60 - 65°C, and it has a boiling point of about 275 - 280°C. The product is typically available in high purity levels, often exceeding 98%, and is produced under strict quality control standards in our factory to ensure its consistency and reliability.
Isosorbide has a wide range of applications across various industries:
Pharmaceutical Industry: It is used as a building block for the synthesis of pharmaceutical compounds. Isosorbide derivatives can have vasodilatory effects, which are useful in the treatment of angina and heart failure. It can also be used as an excipient in drug formulations due to its good solubility and biocompatibility.
Polymer Industry: Isosorbide is an important monomer for the production of high - performance polymers. It can be incorporated into polyester, polycarbonate, and polyurethane resins, enhancing their mechanical properties, thermal stability, and biodegradability. These polymers are used in the production of packaging materials, optical lenses, and automotive parts.
Food and Beverage Industry: Due to its mild sweet taste and low calorie content, isosorbide can be used as a sugar substitute or flavor enhancer in food and beverage products. It can also improve the texture and shelf - life of certain products.
Handling: When handling isosorbide, it is recommended to wear appropriate personal protective equipment (PPE), such as gloves and safety glasses. The product should be stored in a cool, dry place away from direct sunlight and sources of ignition. It should be kept in a tightly sealed container to prevent moisture absorption and contamination.
Solubility and Dissolution: As isosorbide is highly soluble in water, it can be easily dissolved in water - based solutions. For organic solvents, gentle heating and stirring may be required to ensure complete dissolution. The appropriate solvent and dissolution conditions should be determined based on the specific application.
Reaction Conditions: In chemical synthesis, the reaction conditions for using isosorbide, such as temperature, pressure, and reaction time, should be carefully controlled according to the reaction mechanism and the desired product. Catalysts may be required in some reactions to improve the reaction rate and selectivity.
Pharmaceutical Case: A pharmaceutical company was developing a new drug for the treatment of angina. They used isosorbide as a key intermediate in the synthesis of a novel vasodilatory compound. By carefully controlling the reaction conditions and purification steps, they were able to obtain a high - purity product with excellent pharmacological activity. In clinical trials, the new drug showed significant improvement in patients' symptoms compared to existing treatments.
Polymer Case: A polymer manufacturer was looking to develop a more sustainable packaging material. They incorporated isosorbide into their polyester resin formulation. The resulting polymer had improved mechanical strength, transparency, and biodegradability. The new packaging material was well - received in the market due to its environmental friendliness and high performance.
Food and Beverage Case: A beverage company wanted to reduce the calorie content of their soft drinks without sacrificing taste. They used isosorbide as a sugar substitute. By optimizing the formulation and taste profile, they were able to produce a low - calorie soft drink that tasted almost the same as the original product. The new product was a commercial success, attracting health - conscious consumers.
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