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化工英语在线翻译
摘要 三氯甲烷又称氯仿、哥罗仿,结构式CHCL3,分子量119.39.无色透明易挥发液体,有特殊甜味..相对密度(20℃/4℃)1.489,凝固点-63.55℃,沸点61.6℃,折射率(n25D)1.4467,溶解度参数δ=9.4.能与乙醚、乙醇、苯、石油醚、四氯化碳、苯、二硫化碳和油类等混溶.微溶于水.不易燃烧,但长期曝露在空气中可以燃烧,发出火焰或高温.有麻醉性,有毒,被认为是致癌物质.在日光、氧气、湿气中,特别是和铁接触时,则反应生成剧毒的光气.LD50909mg/kg,空气中最高容许浓度240mg/m3(或0.005%).
用作树脂和橡胶的溶剂,能溶解聚苯乙烯、ABS、聚甲基丙烯酸甲酯、聚乙烯醇缩丁醛、聚砜、氯化聚醚、丁苯橡胶等,配制溶剂型胶粘剂
关键词: 四氯化碳,三氯甲烷,氢气 ,甲烷

提问时间:2021-11-16

答案
Chloroform also known as chloroform,Montenegro imitation,structured CHCL3,molecular weight of 119.39.Clear,colorless volatile liquid,a special sweetness..The relative density (20 ℃ / 4 ℃) 1.489,freezing point -63.55 ℃,the boiling point 61.6 ℃,refractive index (n25D) 1.4467,solubility parameter δ = 9.4.With ether,ethanol,benzene,petroleum ether,carbon tetrachloride,benzene,carbon disulfide and oils,such as compatibility.Micro-soluble in water.Difficult to burn,but long-term exposure to combustion in the air,a flame or heat.A narcotic,toxic,is considered carcinogenic substances.In sunlight,oxygen,moisture,particularly iron and contacts,the reaction of the highly toxic phosgene.LD50909mg/kg,the maximum admissible concentration in the air 240 mg/m3 (or 0.005 percent).
Resin and rubber used as the solvent,to dissolve polystyrene,ABS,PMMA,polyvinyl butyral,polysulfone,polyether chloride,styrene butadiene rubber,solvent-based adhesive preparation
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