acetic anhydride

简明释义

醋酸酐

英英释义

Acetic anhydride is a colorless liquid organic compound with the formula (CH3CO)2O, used primarily as a reagent in organic synthesis and as an acetylating agent.

醋酸酐是一种无色液体有机化合物,化学式为(CH3CO)2O,主要用作有机合成中的试剂和乙酰化剂。

例句

1.We added acetic anhydride to the reaction mixture to increase the yield of the product.

我们向反应混合物中添加了醋酸酐以提高产率。

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

纤维素醋酸酯的生产涉及将醋酸酐作为关键试剂。

3.Safety precautions are essential when handling acetic anhydride due to its corrosive nature.

由于其腐蚀性,在处理醋酸酐时必须采取安全预防措施。

4.The reaction between acetic anhydride and alcohol produces esters.

与醇反应的醋酸酐会生成酯。

5.In the laboratory, we used acetic anhydride to synthesize various acetylated compounds.

在实验室中,我们使用醋酸酐合成了各种乙酰化化合物。

作文

Acetic anhydride is a colorless liquid with a pungent odor, and it plays a significant role in organic chemistry. As a reagent, it is primarily used for the acetylation of various compounds. This process involves introducing an acetyl group into a molecule, which can modify its properties and reactivity. The chemical formula for acetic anhydride (醋酸酐) is C4H6O3, and it is derived from acetic acid by the removal of a water molecule. This makes it an important compound in the synthesis of many organic materials.In industrial applications, acetic anhydride (醋酸酐) is utilized in the production of pharmaceuticals, plastics, and dyes. It serves as an intermediate in the synthesis of aspirin, which is one of the most widely used medications worldwide. By acetylating salicylic acid with acetic anhydride (醋酸酐), chemists can produce aspirin, showcasing the importance of this compound in medicinal chemistry.Moreover, acetic anhydride (醋酸酐) is also used in the manufacture of cellulose acetate, a synthetic fiber that is commonly found in clothing and other textiles. The process involves reacting cellulose with acetic anhydride (醋酸酐) to create a material that is both durable and flexible. This highlights the versatility of acetic anhydride (醋酸酐) in various industries beyond pharmaceuticals.However, working with acetic anhydride (醋酸酐) requires caution. It is corrosive and can cause severe burns upon contact with skin. Additionally, inhaling its vapors can lead to respiratory issues. Therefore, proper safety measures must be taken when handling this chemical, including using personal protective equipment and ensuring good ventilation in the workspace.In research laboratories, acetic anhydride (醋酸酐) is often employed in the synthesis of new compounds. Its ability to acetylate amines and alcohols makes it a valuable tool for chemists looking to modify existing structures or create novel substances. For example, in the field of polymer chemistry, acetic anhydride (醋酸酐) can be used to enhance the properties of certain polymers, making them more suitable for specific applications.In conclusion, acetic anhydride (醋酸酐) is a vital compound in organic synthesis with various applications across multiple industries. From pharmaceuticals to textiles, its role cannot be overstated. Understanding its properties and uses is essential for anyone involved in chemistry, whether in academia or industry. As research continues to advance, the potential applications of acetic anhydride (醋酸酐) are likely to expand, further solidifying its importance in the field of chemistry.

醋酸酐是一种无色液体,具有刺鼻的气味,在有机化学中扮演着重要角色。作为一种试剂,它主要用于各种化合物的乙酰化过程。这一过程涉及将乙酰基引入分子中,从而改变其性质和反应性。醋酸酐acetic anhydride)的化学式为C4H6O3,它是由醋酸去除一个水分子而得。这使得它成为许多有机材料合成中的重要化合物。在工业应用中,醋酸酐acetic anhydride)被用于药品、塑料和染料的生产。它作为阿司匹林合成中的中间体,阿司匹林是全球使用最广泛的药物之一。通过用醋酸酐acetic anhydride)对水杨酸进行乙酰化,化学家可以生产出阿司匹林,这展示了该化合物在药物化学中的重要性。此外,醋酸酐acetic anhydride)还用于纤维素醋酸酯的制造,这是一种常见于服装和其他纺织品的合成纤维。这个过程涉及将纤维素与醋酸酐acetic anhydride)反应,以创造出既坚固又灵活的材料。这突显了醋酸酐acetic anhydride)在制药以外的各个行业中的多功能性。然而,处理醋酸酐acetic anhydride)需要谨慎。它具有腐蚀性,接触皮肤可能导致严重烧伤。此外,吸入其蒸汽可能导致呼吸问题。因此,在处理这种化学物质时,必须采取适当的安全措施,包括使用个人防护装备并确保工作空间通风良好。在研究实验室中,醋酸酐acetic anhydride)通常用于新化合物的合成。它能够乙酰化胺和醇,使其成为化学家修改现有结构或创造新物质的宝贵工具。例如,在聚合物化学领域,醋酸酐acetic anhydride)可用于增强某些聚合物的性能,使其更适合特定应用。总之,醋酸酐acetic anhydride)是有机合成中的重要化合物,具有跨多个行业的各种应用。从制药到纺织,其作用不可小觑。理解其特性和用途对于任何参与化学的人来说都是至关重要的,无论是在学术界还是在工业界。随着研究的不断推进,醋酸酐acetic anhydride)的潜在应用可能会扩展,进一步巩固其在化学领域的重要性。

相关单词

acetic

acetic详解:怎么读、什么意思、用法

anhydride

anhydride详解:怎么读、什么意思、用法