炔烃 alkynes： 炔烃，为分子中含有碳碳三键的碳氢化合物的总称，是一种不饱和的脂肪烃，直链单炔烃的分子通式为CnH2n-2（其中n为非1正整数），简单的炔烃化合物有乙炔（C2H2），丙炔（C3H4）等。其中，乙炔是最重要的一种炔烃，在工业中可用以照明、焊接及切断金属（氧炔焰），也是制造乙醛、醋酸、苯、合成橡胶、合成纤维等的基本原料。
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![127346-14-9|6-甲氧基-3-(丙-2-炔-1-基)苯并[d]噻唑-2(3H)-亚胺氢溴酸盐|6-methoxy-3-(prop-2-yn-1-yl)-2,3-dihydro-1,3-benzothiazol-2-imine hydrobromide](https://images.chemany.com/attachments/products_new/svg/127346-14-9.svg)
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