acetic anhydride

简明释义

1. 醋酸酐; 2. 乙醋酐; 3. 醋酐;

英英释义

例句

1.Safety precautions are necessary when handling acetic anhydride due to its corrosive nature.

处理醋酸酐时需要采取安全预防措施，因为它具有腐蚀性。

2.The reaction of acetic acid with acetic anhydride produces acetate esters.

醋酸与醋酸酐反应生成醋酸酯。

3.The production of cellulose acetate involves the use of acetic anhydride as a reagent.

纤维素醋酸酯的生产涉及使用醋酸酐作为试剂。

4.We need to store acetic anhydride in a cool, dry place to prevent it from hydrolyzing.

我们需要将醋酸酐储存在阴凉干燥的地方，以防止其水解。

5.In the laboratory, we used acetic anhydride to synthesize aspirin.

在实验室中，我们使用了醋酸酐来合成阿司匹林。

作文

Acetic anhydride, represented by the chemical formula C4H6O3, is a significant reagent in organic chemistry. It is mainly used as an acetylating agent, which means it introduces an acetyl group into various organic compounds. This process is crucial in the synthesis of pharmaceuticals, agrochemicals, and other important chemicals. The importance of acetic anhydride (醋酸酐) cannot be overstated, as it plays a vital role in numerous chemical reactions that lead to the formation of complex molecules.One of the primary uses of acetic anhydride (醋酸酐) is in the production of aspirin. Aspirin, or acetylsalicylic acid, is synthesized by reacting salicylic acid with acetic anhydride (醋酸酐). This reaction not only increases the stability of the compound but also enhances its effectiveness as a pain reliever and anti-inflammatory drug. The introduction of the acetyl group from acetic anhydride (醋酸酐) modifies the properties of salicylic acid, making aspirin one of the most widely used medications in the world today.In addition to pharmaceuticals, acetic anhydride (醋酸酐) is also utilized in the manufacturing of dyes and perfumes. Many synthetic dyes require acetylation to improve their solubility and stability. The use of acetic anhydride (醋酸酐) in these processes allows for the creation of vibrant colors that are essential in the textile industry. Similarly, in the fragrance industry, acetic anhydride (醋酸酐) helps in the synthesis of aromatic compounds, contributing to the development of various perfumes and scents.Another important application of acetic anhydride (醋酸酐) is in the production of cellulose acetate, a derivative of cellulose. Cellulose acetate is widely used in the manufacture of photographic films, coatings, and as a plasticizer in various products. The process of converting cellulose into cellulose acetate involves the use of acetic anhydride (醋酸酐), highlighting its versatility in industrial applications.Despite its many uses, handling acetic anhydride (醋酸酐) requires caution. It is a highly reactive compound and can cause severe burns upon contact with skin. Additionally, it can release acetic acid vapors, which are irritating to the eyes and respiratory system. Therefore, when working with acetic anhydride (醋酸酐), proper safety measures must be taken, including the use of personal protective equipment and working in a well-ventilated area.In conclusion, acetic anhydride (醋酸酐) is an essential chemical in the field of organic chemistry. Its ability to act as an acetylating agent makes it invaluable in the synthesis of various compounds, particularly in the pharmaceutical and dye industries. Understanding the properties and applications of acetic anhydride (醋酸酐) is crucial for chemists and industries that rely on this versatile reagent. As research continues to advance, the potential applications of acetic anhydride (醋酸酐) may expand even further, solidifying its place as a cornerstone in chemical synthesis.

醋酸酐，化学式为C4H6O3，是有机化学中一种重要的试剂。它主要用作乙酰化剂，这意味着它将乙酰基引入各种有机化合物中。这一过程在制药、农用化学品和其他重要化学品的合成中至关重要。醋酸酐（acetic anhydride）的重要性不言而喻，因为它在许多化学反应中扮演着关键角色，从而形成复杂的分子。醋酸酐（acetic anhydride）最主要的用途之一是在阿司匹林的生产中。阿司匹林或乙酰水杨酸是通过将水杨酸与醋酸酐（acetic anhydride）反应合成的。这一反应不仅提高了化合物的稳定性，还增强了其作为止痛药和抗炎药的有效性。从醋酸酐（acetic anhydride）引入的乙酰基改变了水杨酸的性质，使阿司匹林成为当今世界上使用最广泛的药物之一。除了制药，醋酸酐（acetic anhydride）还用于染料和香水的制造。许多合成染料需要乙酰化以改善其溶解性和稳定性。在这些过程中使用醋酸酐（acetic anhydride）可以创造出在纺织工业中至关重要的鲜艳颜色。同样，在香水行业中，醋酸酐（acetic anhydride）有助于合成芳香化合物，为各种香水和气味的发展做出贡献。醋酸酐（acetic anhydride）的另一个重要应用是生产醋酸纤维素，醋酸纤维素是纤维素的衍生物。醋酸纤维素广泛用于摄影胶卷、涂料的制造，以及作为各种产品中的增塑剂。将纤维素转化为醋酸纤维素的过程涉及使用醋酸酐（acetic anhydride），突显了它在工业应用中的多功能性。尽管有许多用途，但处理醋酸酐（acetic anhydride）需要谨慎。它是一种高度反应性的化合物，接触皮肤可能会造成严重烧伤。此外，它可能释放出醋酸蒸气，这对眼睛和呼吸系统有刺激作用。因此，在处理醋酸酐（acetic anhydride）时，必须采取适当的安全措施，包括使用个人防护装备和在通风良好的区域工作。总之，醋酸酐（acetic anhydride）是有机化学领域的一种重要化学品。它作为乙酰化剂的能力使其在合成各种化合物中不可或缺，特别是在制药和染料行业。理解醋酸酐（acetic anhydride）的性质和应用对于依赖这种多功能试剂的化学家和行业至关重要。随着研究的不断推进，醋酸酐（acetic anhydride）的潜在应用可能会进一步扩展，巩固其在化学合成中的基石地位。