
Benzene - Wikipedia
Benzene is an organic chemical compound with the molecular formula C 6 H 6. The benzene molecule is composed of six carbon atoms joined in a planar hexagonal ring with one hydrogen atom attached to each. Because it contains only carbon and hydrogen atoms, benzene is classed as a hydrocarbon.
苯 - 维基百科,自由的百科全书
苯 běn (英語: benzene),化學式為C 6 H 6,簡稱 ⌬ 、 ⏣ 或 PhH,旧称 囷 、 焑 、 㷍 、 菕 、 輪質 等 [6],是 芳香烃,在 常温 为 易燃 、易挥发、氣味刺鼻、 无色 液體。 苯有较强毒性,是 致癌物質。 [7] 苯是最简单的芳香烃,难溶于 水,易溶于 有机溶剂,本身也可作有机溶剂。 苯是 石油化工 基本原料,其产量和生产的技术水平是国家石油化工发展水平的标志。 苯的环系叫 苯环,是最简单的 芳香环。 苯分子去掉一粒氢后的结构叫 苯基,用Ph表示;因此苯也可表示 …
苯 - 維基百科,自由的百科全書
苯 ( ㄅㄣˇ ) (英語: benzene ),化學式為C 6 H 6 ,簡稱 ⌬ 、 ⏣ 或PhH,舊稱囷、焑、㷍、菕、輪質等 [6] ,是芳香烴,在常溫為易燃、易揮發、氣味刺鼻、無色液體。
Benzene | Definition, Discovery, Structure, Properties, & Uses
benzene (C6H6), simplest organic, aromatic hydrocarbon and parent compound of numerous important aromatic compounds. Benzene is a colourless liquid with a characteristic odour and is primarily used in the production of polystyrene. It is highly toxic and is a known carcinogen; exposure to it may cause leukemia.
Benzene | C6H6 | CID 241 - PubChem
Benzene is used to make chemicals used in the manufacture of industrial products such as dyes, detergents, explosives, pesticides, synthetic rubber, plastics, and pharmaceuticals. Benzene is found in gasoline and trace amounts are found in cigarette smoke.
Benzene | Chemical Emergencies | CDC
2024年9月6日 · Benzene is a colorless or light-yellow liquid chemical at room temperature. Signs and symptoms of benzene poisoning depend on how you were exposed. Get clean and get medical care if you were exposed.
Benzene and Cancer Risk - American Cancer Society
Benzene is a colorless, flammable liquid with a sweet odor. It evaporates quickly when exposed to air. Benzene is formed from natural processes, such as volcanoes and forest fires, but most people are exposed to benzene through human activities. Benzene is one of the 20 most widely used chemicals in the United States.
Benzene - American Chemical Society
2023年7月3日 · Benzene is the cornerstone of aromatic organic molecules. It has a long and checkered history—much too long to cover here—so the focus will be on the very old and very new.
BENZENE中文(简体)翻译:剑桥词典 - Cambridge Dictionary
Experimental data are presented for the growth of vapour bubbles in various superheated liquids, such as carbon tetrachloride, benzene, ethyl alcohol, and methyl alcohol. In a classic example, they used an organic solvent called pazoxyanisole and benzene as a solute. 示例中的观点不代表剑桥词典编辑、剑桥大学出版社和其许可证颁发者的观点。 苯… benceno… benzeno… 需要一个翻译器吗? 获得快速、免费的翻译!
苯_化工百科 - ChemBK
在常温常压下为无色透明挥发性液体。 易挥发,能与乙醇、乙醚、丙酮、氯仿、冰乙酸、二硫化碳、四氯化碳及油类等有机溶剂相混溶。 溶于水:23.5℃、0.188%cw/w)。 苯是一种不易分解的化合物。 其蒸气能与空气形成爆炸性的混合物。 遇到高热或明火极容易引起燃烧和爆炸。 容易产生和积聚静电。 与氧化剂接触反应激烈。 将工业苯用浓硫酸连续洗涤去除杂质噻吩含量合格后,再经水、5%的氢氧化钠溶液洗涤之后,用无水氯化钙干燥,将上清液进行蒸馏即可。 测定折射 …