dihydric alcohol

简明释义

二羟醇

英英释义

例句

1.In the production of antifreeze, dihydric alcohol is often used due to its low freezing point.

在防冻剂的生产中，二醇通常由于其低冰点而被使用。

2.When formulating cosmetics, chemists often include dihydric alcohol for its moisturizing properties.

在化妆品配方中，化学家们常常加入二醇以其保湿特性。

3.The chemical formula for dihydric alcohol is C2H6O, which indicates it has two hydroxyl groups.

化学式为二醇的化合物是C2H6O，这表明它有两个羟基。

4.Ethanol is a common type of dihydric alcohol used in alcoholic beverages.

乙醇是一种常见的二醇，用于酒精饮料中。

5.The sweet taste of many fruits can be attributed to the presence of dihydric alcohol like glycerol.

许多水果的甜味可以归因于像甘油这样的二醇的存在。

作文

Dihydric alcohol, also known as diols, is a type of organic compound that contains two hydroxyl (-OH) groups. This unique structure allows them to participate in various chemical reactions and makes them valuable in many industrial applications. One of the most common examples of a dihydric alcohol (二醇) is ethylene glycol, which is widely used as an antifreeze agent in automotive engines and as a raw material in the production of polyester fibers.The presence of two hydroxyl groups in dihydric alcohol (二醇) molecules not only enhances their solubility in water but also increases their boiling points compared to their monohydric counterparts. This property is particularly important in the formulation of products such as cosmetics and pharmaceuticals, where solubility and stability are crucial.In addition to ethylene glycol, another well-known dihydric alcohol (二醇) is propylene glycol. It is commonly used in food and pharmaceutical industries as a safe and effective solvent. Its ability to retain moisture makes it a popular ingredient in skin care products, where it helps to keep the skin hydrated and smooth. Furthermore, propylene glycol is recognized for its low toxicity, making it suitable for use in products intended for human consumption.The versatility of dihydric alcohol (二醇) compounds extends beyond just their applications in consumer products. In the field of polymer chemistry, they serve as important building blocks for creating polyurethanes and other polymers. By reacting with isocyanates, dihydric alcohol (二醇) can form urethane linkages, leading to materials with diverse properties and uses, from flexible foams to rigid plastics.Moreover, dihydric alcohol (二醇) compounds play a significant role in the synthesis of various pharmaceuticals. Their ability to act as intermediates in chemical reactions allows chemists to create complex molecules that may be required for drug development. For instance, the presence of hydroxyl groups in these compounds can facilitate nucleophilic attacks, leading to the formation of new chemical bonds and ultimately contributing to the creation of effective medications.Despite their many advantages, it is essential to handle dihydric alcohol (二醇) with care, as some of them can be toxic if ingested in large quantities. Ethylene glycol, for example, is highly toxic and can cause severe health issues if consumed. Therefore, safety measures must be taken when using products that contain dihydric alcohol (二醇), especially in industrial settings.In conclusion, dihydric alcohol (二醇) compounds are integral to numerous industries due to their unique chemical properties and versatility. From their applications in antifreeze and personal care products to their role in polymer synthesis and pharmaceuticals, the importance of dihydric alcohol (二醇) cannot be overstated. As research continues to explore new ways to utilize these compounds, we can expect to see even more innovative applications in the future.