dimethylamine

简明释义

英[daɪˈmiːθaɪləˌmiːn]美[daɪmeθɪləˈmiːn]

n. [有化] 二甲胺

英英释义

单词用法

同义词

反义词

例句

1.Elementary reaction pathways of the reductants such as dimethylamine borane, hypophosphite ion, formaldehyde, and titanium trichloride were quantitatively examined in terms of the heat of reaction.

一些基本的化学反应如：二苯胺硼烷、次磷酸离子、甲醛以及三氯化钛通过计算反应热来定量描述。

2.Elementary reaction pathways of the reductants such as dimethylamine borane, hypophosphite ion, formaldehyde, and titanium trichloride were quantitatively examined in terms of the heat of reaction.

一些基本的化学反应如：二苯胺硼烷、次磷酸离子、甲醛以及三氯化钛通过计算反应热来定量描述。

3.Ziram was synthesized in an one-step with aqueous solution of dimethylamine carbon disulfide and zinc oxide, in yield 97%. waste water is reused.

以二甲胺水溶液、二硫化碳和氧化锌为原料一步法合成了福美锌，产率达到97%以上。废水循环利用。

4.Influences of feedstock ingredients and ratio, water content on methylamine production were analyzed. The yield of dimethylamine can be moderately increased by adjusting the ratio of feedstock.

分析了在甲胺生产过程中，配料的组成、水含量、配比对甲胺生产的影响。通过调整配比可以适当提高二甲胺产量。

5.It has been found that the Ca, Mg, la ion exchanged mordenites have both high activity and high selectivity toward dimethylamine with the yield of around 55%.

发现钙、镁、镧离子交换的丝光沸石，在表现出较高活性的同时，还对二甲胺具有55%左右的高选择性。

6.Ziram was synthesized in an one-step with aqueous solution of dimethylamine carbon disulfide and zinc oxide.

以二甲胺水溶液、二硫化碳和氧化锌为原料一步合成了福美锌。

7.A new technology for preparation of Ethoprophos from o, o Diethyl Dithiophosphoric acid, Propance Bromide and Dimethylamine was introduced.

介绍了以硫磷酸为原料，与溴丙烷、二甲胺反应合成丙线磷的新工艺。

8.Amphoteric monomer is prepared with acrylic acid, dimethylamine, and chloroethanol by Mannich reaction.

以丙烯酸、二甲胺、环氧氯丙烷为原料，通过曼尼希反应制得两性离子单体。

9.The selective catalytic synthesis of dimethylamine from ammonia and methylalcohol over cerium modified mordenite under ambient pressure in a fixed bed reactor has been studied.

研究了氨和甲醇以铈改性丝光沸石为催化剂，在常压固定床上选择性合成二甲胺的反应。

10.The chemical reaction produced a byproduct of dimethylamine which is used in various industrial applications.

该化学反应产生了一种副产品二甲胺，用于各种工业应用。

11.Researchers found that dimethylamine can enhance the solubility of certain compounds in organic solvents.

研究人员发现二甲胺可以增强某些化合物在有机溶剂中的溶解度。

12.In the synthesis of pharmaceuticals, dimethylamine is often utilized as a building block.

在药物合成中，二甲胺通常被用作构建块。

13.Safety data sheets recommend proper ventilation when working with dimethylamine due to its strong odor.

安全数据表建议在处理二甲胺时保持良好的通风，因为它有强烈的气味。

14.The presence of dimethylamine in the sample indicated contamination from industrial waste.

样品中存在二甲胺表明受到工业废物的污染。

作文

Dimethylamine is a simple aliphatic amine with the chemical formula (CH3)2NH. It is a colorless gas at room temperature and has a strong fishy odor that can be quite pungent. Due to its structure, it is classified as a secondary amine, which means that it has two methyl groups attached to the nitrogen atom. This compound plays a significant role in various chemical processes and is used in the production of pharmaceuticals, agricultural chemicals, and other industrial applications. Understanding the properties and applications of dimethylamine (二甲胺) is essential for those involved in chemistry and related fields. In the laboratory, dimethylamine (二甲胺) can be synthesized through several methods. One common method involves the reaction of formaldehyde with methylamine. The resulting product can be further purified and utilized in various reactions. Its ability to act as a nucleophile makes it valuable in organic synthesis, where it can participate in alkylation and acylation reactions. Moreover, dimethylamine (二甲胺) is often used as a building block for more complex molecules, enabling chemists to create a wide range of compounds. One of the most notable applications of dimethylamine (二甲胺) is in the pharmaceutical industry. It serves as an intermediate in the synthesis of various drugs, including antihistamines and antipsychotics. The versatility of this compound allows for modifications that can lead to the development of new medications with improved efficacy and reduced side effects. As the field of medicinal chemistry continues to evolve, the importance of dimethylamine (二甲胺) in drug development cannot be overstated. Additionally, dimethylamine (二甲胺) is utilized in the agricultural sector, particularly in the formulation of herbicides and pesticides. Its basic properties enable it to interact effectively with various active ingredients, enhancing the effectiveness of these products. By understanding how dimethylamine (二甲胺) can be applied in agriculture, researchers are able to develop safer and more efficient chemicals that protect crops while minimizing environmental impact. However, it is important to note that dimethylamine (二甲胺) also poses certain health and safety risks. Exposure to high concentrations of this compound can lead to respiratory irritation and other health issues. Therefore, proper handling and storage procedures must be followed when working with dimethylamine (二甲胺). Safety data sheets should be consulted, and appropriate protective equipment should be worn to minimize exposure. In conclusion, dimethylamine (二甲胺) is a crucial compound in both industrial and research settings. Its unique properties and versatility make it an essential building block in the synthesis of various chemicals. As we continue to explore its applications in pharmaceuticals and agriculture, it is vital to remain aware of the potential risks associated with its use. By fostering a deeper understanding of dimethylamine (二甲胺), we can harness its benefits while ensuring safety and efficiency in its applications.