乙炔的危险特性--qsf999的安全生产小屋

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乙炔的危险特性 | 2011-10-9 15:25:00

乙炔的危险特性

乙炔CH≡CH26.0 Acetylene dissolvel 2.1类易燃气体，CNNO.21024,UNNO.1001。
　　物化性质：无色，略带乙醚气味，大多数市售商品因含有磷化氢、硫化氢和氨等杂质，而有蒜样臭气。相对密度1.175，凝点-81.8℃，蒸气密度0.9，微溶于水，溶于乙醇，易溶于丙酮。化学性质很活泼，能起加成反应和聚合反应。
　　危险特性：极易着火、爆炸，闪点-32℃，自燃点305℃，气体能与空气形成爆炸性混合物，爆炸极限2.8%～81%；必须使乙炔溶解于丙酮和二基甲酰氨中，才能在高压下保持稳定，否则容易分解成氢和碳，产生爆炸。乙炔能与铜、银、汞等化合物生成爆炸性混合物。受撞击、摩擦或干状态下升温可导致强裂分解，并能与氟、氯发生爆炸性反应，遇热、明火和氧气化剂有着火、爆炸危险；有毒、麻醉作用，甚至引起昏迷，人吸入10%，轻度中毒反应，吸入20%显著缺氧、昏睡、发绀，吸入30%，动作不协调，步态蹒跚。
　　辨识事故类型：火灾、爆炸、中毒。

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Re:在漫画中识别身边的违章 | 2016-10-22 19:29:34

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Re:在漫画中识别身边的违章 | 2016-10-22 8:31:37

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Re:在漫画中识别身边的违章 | 2016-10-22 2:23:19

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Re:在漫画中识别身边的违章 | 2016-10-20 0:27:59

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Re:在漫画中识别身边的违章 | 2016-10-11 14:43:10

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Re:在漫画中识别身边的违章 | 2016-10-11 9:12:13

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原创 | 2016-9-30 16:01:16

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原创 | 2016-9-28 21:17:56

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原创 | 2016-9-6 21:43:45

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