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苯(běn)(英語:benzene),化學式為C6H6,簡稱⌬、⏣或PhH,旧称囷、焑、㷍、菕、輪質等,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。不完全燃燒、吸煙...