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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
2026年09月23日 14:16
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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