{"id":505,"date":"2023-07-22T21:34:59","date_gmt":"2023-07-22T21:34:59","guid":{"rendered":"https:\/\/chemuza.org\/cn\/%e4%b9%99%e7%83%af\/"},"modified":"2023-07-22T21:34:59","modified_gmt":"2023-07-22T21:34:59","slug":"%e4%b9%99%e7%83%af","status":"publish","type":"post","link":"https:\/\/chemuza.org\/cn\/%e4%b9%99%e7%83%af\/","title":{"rendered":"\u4e59\u70ef\uff08\u4e59\u70ef\uff09\u2014\u2014c2h4\uff0c74-85-1"},"content":{"rendered":"<p>\u4e59\u70ef\uff0c\u53c8\u79f0\u4e59\u70ef\uff0c\u662f\u4e00\u79cd\u65e0\u8272\u3001\u6709\u751c\u5473\u7684\u6613\u71c3\u6c14\u4f53\u3002\u5b83\u662f\u5316\u5b66\u5de5\u4e1a\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u7528\u4e8e\u751f\u4ea7\u5851\u6599\u3001\u6eb6\u5242\u548c\u5176\u4ed6\u5316\u5b66\u54c1\u3002<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>\u56fd\u9645\u7eaf\u7cb9\u548c\u5e94\u7528\u5316\u5b66\u8054\u5408\u4f1a\u540d\u79f0<\/td>\n<td>\u4e59\u70ef<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u5b50\u5f0f<\/td>\n<td>C2H4<\/td>\n<\/tr>\n<tr>\n<td> CAS \u53f7<\/td>\n<td>74-85-1<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u4e49\u8bcd<\/td>\n<td>\u4e59\u70ef\u3001\u4e59\u70ef\uff08\u9519\u8bef\uff09\u3001\u6cb9\u5316\u6c14\u4f53\u3001Elayl\u30011,2-\u4e8c\u6c22\u4e59\u70ef<\/td>\n<\/tr>\n<tr>\n<td>\u4e59\u9170\u80c6\u78b1<\/td>\n<td>InChI=1S\/C2H4\/c1-2\/h1-2H2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h6 class=\"wp-block-heading\">\u4e59\u70ef\u5f0f<\/h6>\n<p>\u4e59\u70ef\u7684\u5316\u5b66\u5f0f\u662fC2H4\u3002\u5b83\u4ee3\u8868\u4e59\u70ef\u5206\u5b50\u4e2d\u5b58\u5728\u7684\u539f\u5b50\u6570\u91cf\u548c\u7c7b\u578b\u3002\u8be5\u516c\u5f0f\u7528\u4e8e\u6d89\u53ca\u4e59\u70ef\u7684\u5316\u5b66\u53cd\u5e94\u548c\u8ba1\u7b97\uff0c\u4f8b\u5982\u786e\u5b9a\u53cd\u5e94\u7684\u5316\u5b66\u8ba1\u91cf\u6216\u7279\u5b9a\u5de5\u4e1a\u8fc7\u7a0b\u6240\u9700\u7684\u4e59\u70ef\u91cf\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/ethene.jpg\" alt=\"\u4e59\u70ef\" width=\"167\" height=\"157\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h6 class=\"wp-block-heading\">\u4e59\u70ef\u7ed3\u6784\u5f0f<\/h6>\n<p>\u4e59\u70ef\u5177\u6709\u7b80\u5355\u7684\u7ebf\u6027\u7ed3\u6784\uff0c\u5177\u6709\u901a\u8fc7\u53cc\u952e\u8fde\u63a5\u7684\u4e24\u4e2a\u78b3\u539f\u5b50\u548c\u6bcf\u4e2a\u78b3\u539f\u5b50\u8fde\u63a5\u7684\u56db\u4e2a\u6c22\u539f\u5b50\u3002\u78b3-\u78b3\u53cc\u952e\u8d1f\u8d23\u4e59\u70ef\u7684\u53cd\u5e94\u6d3b\u6027\uff0c\u4f7f\u5176\u6210\u4e3a\u5316\u5b66\u5de5\u4e1a\u4e2d\u6709\u7528\u7684\u7ec4\u6210\u90e8\u5206\u3002\u8be5\u5206\u5b50\u5177\u6709\u5e73\u9762\u7ed3\u6784\uff0c\u6240\u6709\u539f\u5b50\u90fd\u4f4d\u4e8e\u540c\u4e00\u5e73\u9762\u4e0a\u3002<\/p>\n<h6 class=\"wp-block-heading\">\u4e59\u70ef \u6469\u5c14\u8d28\u91cf<\/h6>\n<p>\u4e59\u70ef\u7684\u6469\u5c14\u8d28\u91cf\u4e3a 28.05 g\/mol\u3002\u5b83\u662f\u7531\u4e24\u4e2a\u78b3\u539f\u5b50\u548c\u56db\u4e2a\u6c22\u539f\u5b50\u7ec4\u6210\u7684\u7b80\u5355\u6709\u673a\u5206\u5b50\uff0c\u5316\u5b66\u5f0f\u4e3aC2H4\u3002\u6469\u5c14\u8d28\u91cf\u662f\u901a\u8fc7\u5c06\u5206\u5b50\u4e2d\u5404\u4e2a\u539f\u5b50\u7684\u539f\u5b50\u8d28\u91cf\u76f8\u52a0\u6765\u8ba1\u7b97\u7684\u3002<\/p>\n<p>\u6469\u5c14\u8d28\u91cf\u662f\u6d89\u53ca\u4e59\u70ef\u7684\u5316\u5b66\u53cd\u5e94\u548c\u8ba1\u7b97\u4e2d\u7684\u91cd\u8981\u53c2\u6570\u3002\u5b83\u7528\u4e8e\u786e\u5b9a\u53cd\u5e94\u4e2d\u6240\u9700\u7684\u4e59\u70ef\u91cf\u4ee5\u53ca\u53ef\u4ee5\u751f\u4ea7\u7684\u4ea7\u7269\u7684\u91cf\u3002<\/p>\n<h6 class=\"wp-block-heading\">\u4e59\u70ef\u7684\u6cb8\u70b9<\/h6>\n<p>\u4e59\u70ef\u7684\u6cb8\u70b9\u4e3a-103.7\u00b0C (-154.7\u00b0F)\u3002\u4e59\u70ef\u5728\u5e38\u6e29\u5e38\u538b\u4e0b\u662f\u6c14\u4f53\uff0c\u5176\u6cb8\u70b9\u6bd4\u6c34\u4f4e\u5f97\u591a\uff0c\u56e0\u6b64\u5728\u5de5\u4e1a\u8fc7\u7a0b\u4e2d\u66f4\u5bb9\u6613\u4e0e\u5176\u4ed6\u7269\u8d28\u5206\u79bb\u3002<\/p>\n<p>\u4e59\u70ef\u7684\u6cb8\u70b9\u53d6\u51b3\u4e8e\u6837\u54c1\u7684\u538b\u529b\u548c\u7eaf\u5ea6\u3002\u5728\u8f83\u9ad8\u538b\u529b\u4e0b\uff0c\u4e59\u70ef\u7684\u6cb8\u70b9\u5347\u9ad8\u3002\u540c\u6837\uff0c\u6837\u54c1\u4e2d\u5b58\u5728\u7684\u6742\u8d28\u4e5f\u4f1a\u5bfc\u81f4\u6cb8\u70b9\u4e0e\u9884\u671f\u503c\u4e0d\u540c\u3002<\/p>\n<h6 class=\"wp-block-heading\">\u4e59\u70ef\u7194\u70b9<\/h6>\n<p>\u4e59\u70ef\u7684\u7194\u70b9\u4e3a-169.2\u00b0C (-272.6\u00b0F)\u3002\u4e59\u70ef\u662f\u4e00\u79cd\u5177\u6709\u7ebf\u6027\u5f62\u72b6\u7684\u975e\u6781\u6027\u5206\u5b50\uff0c\u4e0e\u8bb8\u591a\u5176\u4ed6\u6709\u673a\u5316\u5408\u7269\u76f8\u6bd4\uff0c\u5b83\u662f\u4e00\u79cd\u76f8\u5bf9\u7b80\u5355\u7684\u5206\u5b50\u3002\u8fd9\u53cd\u6620\u5728\u5b83\u7684\u4f4e\u7194\u70b9\u4e0a\u3002<\/p>\n<p>\u5c31\u50cf\u6cb8\u70b9\u4e00\u6837\uff0c\u4e59\u70ef\u7684\u7194\u70b9\u4e5f\u4f1a\u6839\u636e\u6837\u54c1\u7684\u7eaf\u5ea6\u800c\u53d8\u5316\u3002\u6742\u8d28\u4f1a\u964d\u4f4e\u7194\u70b9\uff0c\u5bfc\u81f4\u96be\u4ee5\u83b7\u5f97\u7528\u4e8e\u5b9e\u9a8c\u76ee\u7684\u7684\u7eaf\u6837\u54c1\u3002<\/p>\n<h6 class=\"wp-block-heading\">\u4e59\u70ef\u5bc6\u5ea6g\/ml<\/h6>\n<p>\u5728\u6807\u51c6\u6e29\u5ea6\u548c\u538b\u529b (STP) \u6761\u4ef6\u4e0b\uff0c\u4e59\u70ef\u7684\u5bc6\u5ea6\u4e3a 0.958 g\/mL\uff0c\u5b9a\u4e49\u4e3a 0\u00b0C (32\u00b0F) \u548c 1 atm \u538b\u529b\u3002\u4e59\u70ef\u7684\u5bc6\u5ea6\u6bd4\u7a7a\u6c14\u5c0f\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u4e0a\u5347\u5e76\u5206\u6563\u5728\u5927\u6c14\u4e2d\u3002<\/p>\n<p>\u5bc6\u5ea6\u662f\u4e59\u70ef\u7684\u91cd\u8981\u7269\u7406\u6027\u8d28\uff0c\u56e0\u4e3a\u5b83\u5728\u5de5\u4e1a\u8fc7\u7a0b\u4e2d\u7528\u4e8e\u786e\u5b9a\u7ed9\u5b9a\u4f53\u79ef\u7a7a\u95f4\u6240\u9700\u7684\u4e59\u70ef\u91cf\u3002\u5b83\u8fd8\u7528\u4e8e\u8ba1\u7b97\u6837\u54c1\u4e2d\u4e59\u70ef\u7684\u8d28\u91cf\u3002<\/p>\n<h6 class=\"wp-block-heading\">\u4e59\u70ef\u7684\u5206\u5b50\u91cf<\/h6>\n<p>\u4e59\u70ef\u7684\u5206\u5b50\u91cf\u4e3a28.05\u514b\/\u6469\u5c14\u3002\u5b83\u662f\u6784\u6210\u5206\u5b50\u7684\u539f\u5b50\u7684\u539f\u5b50\u91cf\u4e4b\u548c\u3002\u5206\u5b50\u91cf\u662f\u8bb8\u591a\u5316\u5b66\u8ba1\u7b97\u4e2d\u7684\u91cd\u8981\u53c2\u6570\uff0c\u7279\u522b\u662f\u5728\u786e\u5b9a\u53cd\u5e94\u7684\u5316\u5b66\u8ba1\u91cf\u4ee5\u53ca\u6240\u9700\u6216\u4ea7\u751f\u7684\u53cd\u5e94\u7269\u548c\u4ea7\u7269\u7684\u91cf\u65f6\u3002<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>\u5916\u8c8c<\/td>\n<td>\u65e0\u8272\u6c14\u4f53<\/td>\n<\/tr>\n<tr>\n<td>\u6bd4\u91cd<\/td>\n<td>20\u00b0C (68\u00b0F) \u65f6\u4e3a 0.968 \u514b\/\u6beb\u5347<\/td>\n<\/tr>\n<tr>\n<td>\u989c\u8272<\/td>\n<td>\u65e0\u8272<\/td>\n<\/tr>\n<tr>\n<td>\u95fb<\/td>\n<td>\u751c\u3001\u8fa3<\/td>\n<\/tr>\n<tr>\n<td>\u6469\u5c14\u8d28\u91cf<\/td>\n<td>28.05 \u514b\/\u6469\u5c14<\/td>\n<\/tr>\n<tr>\n<td>\u5bc6\u5ea6<\/td>\n<td>0\u00b0C \u548c 1 atm \u4e0b\u4e3a 0.958 g\/mL<\/td>\n<\/tr>\n<tr>\n<td>\u878d\u5408\u70b9<\/td>\n<td>-169.2\u00b0C (-272.6\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td>\u6cb8\u70b9<\/td>\n<td>1 atm \u538b\u529b\u4e0b -103.7\u00b0C (-154.7\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td>\u95ea\u70b9<\/td>\n<td>-136\u00b0C (-213\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td>\u6c34\u4e2d\u6eb6\u89e3\u5ea6<\/td>\n<td>25\u00b0C (77\u00b0F) \u65f6\u4e3a 3.5 \u514b\/\u5347<\/td>\n<\/tr>\n<tr>\n<td>\u6eb6\u89e3\u5ea6<\/td>\n<td>\u4e0d\u6eb6\u4e8e\u6c34\uff0c\u6eb6\u4e8e\u6709\u673a\u6eb6\u5242<\/td>\n<\/tr>\n<tr>\n<td>\u84b8\u6c7d\u538b\u529b<\/td>\n<td>20\u00b0C (68\u00b0F) \u65f6\u4e3a 114.6 kPa<\/td>\n<\/tr>\n<tr>\n<td>\u84b8\u6c14\u5bc6\u5ea6<\/td>\n<td>0.97\uff08\u7a7a\u6c14=1\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u9178\u5ea6<\/td>\n<td>44<\/td>\n<\/tr>\n<tr>\n<td>\u9178\u78b1\u5ea6<\/td>\n<td>\u4e0d\u9002\u7528\uff0c\u56e0\u4e3a\u4e59\u70ef\u4e0d\u662f\u6c34\u6eb6\u6db2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"><strong>\u4e59\u70ef\u5b89\u5168\u548c\u5371\u5bb3<\/strong><\/h5>\n<p>\u4e59\u70ef\u662f\u4e00\u79cd\u9ad8\u5ea6\u6613\u71c3\u6c14\u4f53\uff0c\u53ef\u4e0e\u7a7a\u6c14\u5f62\u6210\u7206\u70b8\u6027\u6df7\u5408\u7269\u3002\u5982\u679c\u6d53\u5ea6\u8db3\u591f\u9ad8\uff0c\u5b83\u53ef\u4ee5\u5728\u7a7a\u6c14\u4e2d\u81ea\u71c3\u3002\u4e59\u70ef\u4e5f\u662f\u4e00\u79cd\u7a92\u606f\u5242\uff0c\u53ef\u4ee5\u5728\u5bc6\u95ed\u7a7a\u95f4\u4e2d\u53d6\u4ee3\u6c27\u6c14\uff0c\u9020\u6210\u4ee4\u4eba\u9707\u60ca\u7684\u5371\u9669\u3002<\/p>\n<p>\u63a5\u89e6\u6db2\u4f53\u4e59\u70ef\u6216\u66b4\u9732\u4e8e\u9ad8\u6d53\u5ea6\u6c14\u4f53\u53ef\u80fd\u4f1a\u5bfc\u81f4\u51bb\u4f24\u6216\u70e7\u4f24\u3002\u4e59\u70ef\u65e0\u6bd2\uff0c\u4f46\u5176\u71c3\u70e7\u4ea7\u7269\uff0c\u5305\u62ec\u4e00\u6c27\u5316\u78b3\u548c\u4e8c\u6c27\u5316\u78b3\uff0c\u53ef\u80fd\u5bf9\u4eba\u4f53\u5065\u5eb7\u6709\u5bb3\u3002<\/p>\n<p>\u5904\u7406\u4e59\u70ef\u9700\u8981\u91c7\u53d6\u9002\u5f53\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u5305\u62ec\u8db3\u591f\u7684\u901a\u98ce\u3001\u4e2a\u4eba\u9632\u62a4\u8bbe\u5907\u548c\u6d88\u9632\u5b89\u5168\u9884\u9632\u63aa\u65bd\u3002\u4e59\u70ef\u5e94\u8d2e\u5b58\u548c\u8fd0\u8f93\u4e8e\u901a\u98ce\u826f\u597d\u7684\u5730\u65b9\uff0c\u8fdc\u79bb\u706b\u6e90\u3002<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>\u5371\u9669\u7b26\u53f7<\/td>\n<td>\u6613\u71c3\u6c14\u4f53 (GHS02)\u3001\u7b80\u5355\u7a92\u606f\u5242 (GHS09)<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u8bf4\u660e<\/td>\n<td>\u8fdc\u79bb\u706b\u6e90\u2014\u2014\u7981\u6b62\u5438\u70df\u3002\u4ec5\u4f7f\u7528\u4e0d\u4ea7\u751f\u706b\u82b1\u7684\u5de5\u5177\u3002\u4e0d\u8981\u5438\u5165\u6c14\u4f53\u3002\u4ec5\u5728\u5ba4\u5916\u6216\u901a\u98ce\u826f\u597d\u7684\u533a\u57df\u4f7f\u7528\u3002\u6234\u9632\u62a4\u624b\u5957\/\u9632\u62a4\u670d\/\u62a4\u76ee\u955c\/\u9762\u90e8\u9632\u62a4\u7f69\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8054\u5408\u56fd\u8bc6\u522b\u53f7<\/td>\n<td>UN 1962\uff08\u538b\u7f29\u6c14\u4f53\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u6d77\u5173\u7f16\u7801<\/td>\n<td>2901.21.00<\/td>\n<\/tr>\n<tr>\n<td>\u5371\u9669\u7b49\u7ea7<\/td>\n<td>2.1\uff08\u53ef\u71c3\u6c14\u4f53\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88c5\u7ec4\u522b<\/td>\n<td>\u4e0d\u9002\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u6bd2\u6027<\/td>\n<td>\u65e0\u6bd2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h5 class=\"wp-block-heading\"><strong>\u4e59\u70ef\u5408\u6210\u65b9\u6cd5<\/strong><\/h5>\n<p>\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u5408\u6210\u4e59\u70ef\uff0c\u5305\u62ec\u70c3\u7684\u70ed\u88c2\u5316\u548c\u9187\u7684\u8131\u6c34\u3002<\/p>\n<p>\u5728\u70ed\u88c2\u89e3\u4e2d\uff0c\u8be5\u8fc7\u7a0b\u6d89\u53ca\u5728\u50ac\u5316\u5242\u5b58\u5728\u4e0b\u5c06\u7532\u70f7\u3001\u4e19\u70f7\u548c\u77f3\u8111\u6cb9\u7b49\u78b3\u6c22\u5316\u5408\u7269\u5728\u9ad8\u6e29\uff08500\u81f3900\u00b0C\uff09\u4e0b\u52a0\u70ed\uff0c\u5c06\u957f\u94fe\u5206\u5b50\u5206\u89e3\u6210\u8f83\u5c0f\u7684\u5206\u5b50\uff0c\u4ece\u800c\u4ea7\u751f\u4e59\u70ef\u3002\u4ea7\u54c1\u3002<\/p>\n<p>\u53e6\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u9187\u8131\u6c34\uff0c\u6d89\u53ca\u4f7f\u7528\u6c27\u5316\u94dd\u6216\u4e8c\u6c27\u5316\u7845\u7b49\u50ac\u5316\u5242\u5728\u9ad8\u6e29\uff08250-350\u2103\uff09\u4e0b\u4f7f\u4e59\u9187\u6216\u5176\u4ed6\u9187\u8131\u6c34\u5e76\u5f62\u6210\u4e59\u70ef\u548c\u6c34\u3002<\/p>\n<p>\u84b8\u6c7d\u88c2\u89e3\u662f\u53e6\u4e00\u79cd\u7528\u4e8e\u751f\u4ea7\u4e59\u70ef\u7684\u5de5\u827a\uff0c\u5176\u4e2d\u5728\u9ad8\u6e29\uff08700-900\u00b0C\uff09\u4e0b\u5c06\u84b8\u6c7d\u6dfb\u52a0\u5230\u78b3\u6c22\u5316\u5408\u7269\u4e2d\u4ee5\u751f\u6210\u4e59\u70ef\u548c\u5176\u4ed6\u4ea7\u54c1\u7684\u6df7\u5408\u7269\u3002<\/p>\n<p>\u6728\u6750\u3001\u7eb8\u5f20\u548c\u5851\u6599\u7b49\u6709\u673a\u6750\u6599\u7684\u70ed\u5206\u89e3\u4e5f\u53ef\u4ea7\u751f\u4e59\u70ef\u3002<\/p>\n<p>\u5408\u6210\u4e59\u70ef\u7684\u5176\u4ed6\u65b9\u6cd5\u5305\u62ec\u4e59\u70f7\u6c27\u5316\u8131\u6c22\u548c\u5c06\u7532\u9187\u8f6c\u5316\u4e3a\u70ef\u70c3\u7684\u8fc7\u7a0b\u3002<\/p>\n<h5 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