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单词 dichloromethane
释义
dichloromethane

Chemistry
  • A colourless, slightly toxic liquid, CH2Cl2, b.p. 41°C. It has a characteristic odour similar to that of trichloromethane (chloroform), from which it is made by heating with zinc and hydrochloric acid. It is used as a refrigerant and solvent (for paint stripping and degreasing).


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