一、光气概论1.光气简介光气,一种无色剧毒气体,分子式COCl2,又名氧氯化碳、碳酰氯、氯代甲酰氯等。是无色或略带黄色气体,当浓缩时,具有强烈刺激性气味或窒息性气味。微溶于水并逐渐水解,溶于芳烃、四氯化碳、氯仿等有机溶剂。2.光气作为化工原料的优缺点优点:光气是一种重要的化工原料,特点是工艺简单、产品纯度高、成本低廉、应用广泛,以其为原料生产的精细化工产品多达1万余种。在农药、二苯甲酮 First, the phosgene Introduction 1. Phosgene gas phosgene, a colorless toxic gas, molecular formula COCl2, also known as oxychloride, phosgene, chlorocarbonyl chloride and so on. Is a colorless or slightly yellow gas, when concentrated, with a strong irritating or asphyxiating odor. Slightly soluble in water and gradually hydrolyzed, soluble in aromatic hydrocarbons, carbon tetrachloride, chloroform and other organic solvents. 2. Phosgene as the advantages and disadvantages of chemical raw materials Advantages: Phosgene is an important chemical raw materials, characterized by simple process, high purity, low cost, wide range of applications, with its raw materials for the production of chemical products as many as 10,000 More species. In pesticides, benzophenone