dichloromethane

dichloromethane的音标为[daɪ"klɔːrməθeɪn]，基本翻译为“二氯甲烷”，速记技巧为“d-c-m-c-a-n-e”。

Dichloromethane，二氯甲烷，是一种有机化合物，化学式为CH2Cl2。

英文词源：

词源：dichloro-（双氯-），methane（甲烷）。

变化形式：

Dihalomethane（二卤甲烷）：包括 dibromomethane（二溴甲烷）、tetrachloromethane（四氯甲烷）等。

相关单词：

1. Carbon tetrachloride：四氯化碳。一种无色易挥发的有毒液体，常用于工业和实验室中。

2. Halomethane：卤代烃。一类含有卤素原子的烃类化合物。

3. Chloromethane：一氯甲烷。一种无色易挥发的有毒液体，是二氯甲烷的同分异构体。

4. Methane：甲烷。一种无色无味的气体，是天然气、沼气、煤矿坑道气的主要成分。

5. Methanol：甲醇。一种有机化合物，可作燃料和溶剂等。

6. Methylenetetrahydrofuran：甲基-四氢呋喃。一种有机化合物，常用于有机合成和药物制备。

7. Methylenedioxymethane：甲醛。一种无色易溶于水的有毒气体，是室内装修污染的主要成分之一。

8. Methylethane：乙烷。一种有机化合物，是天然气的主要成分之一。

9. Methylenediamine：二甲基胺。一种有机化合物，常用于合成高分子材料和药物制备。

10. Methylpentane：甲基戊烷。一种有机化合物，常用于石油化工和燃料添加剂的生产。

以上内容仅供参考，建议查阅专业化学词典或咨询专业化学研究人员获取更准确的信息。

dichloromethane常用短语：

1. dichloromethane solution

2. dichloromethane extraction

3. dichloromethane extraction solvent

4. dichloromethane extraction process

5. dichloromethane extraction method

6. dichloromethane extraction procedure

7. dichloromethane extraction protocol

例句：

1. The sample was dissolved in dichloromethane and filtered before analysis.

2. The dichloromethane solution was then transferred to a separating funnel for further purification.

3. The dichloromethane extraction solvent was evaporated to dryness to yield the pure product.

4. The dichloromethane extraction process was carried out using a simple laboratory setup.

5. The dichloromethane extraction method was used to extract the active ingredient from the plant material.

6. The dichloromethane extraction protocol was followed strictly to ensure reproducibility.

7. The dichloromethane solvent is toxic and should be handled with care.

英文小作文：

Dichloromethane is a common solvent used in many chemical experiments. It is a colorless liquid with a pungent odor that is highly soluble in water and organic solvents. It is commonly used to dissolve substances that are difficult to dissolve in water or other organic solvents.

When using dichloromethane, it is important to follow safety precautions to avoid exposure to the solvent and any substances it may dissolve. It should be handled with care and stored in a well-ventilated area to prevent any potential health risks.

In addition, it is essential to use appropriate equipment and methods when using dichloromethane to ensure that the experiment is conducted safely and effectively. Dichloromethane can be used in various chemical reactions and experiments, but it should always be used with caution and care to avoid any potential hazards.