{"id":7948,"date":"2025-03-12T19:25:48","date_gmt":"2025-03-12T11:25:48","guid":{"rendered":"https:\/\/www.xindianchem.com\/7948.html"},"modified":"2025-03-12T19:25:48","modified_gmt":"2025-03-12T11:25:48","slug":"%e4%ba%8c%e7%94%b2%e5%9f%ba%e7%8e%af%e5%b7%b1%e8%83%ba%ef%bc%88dmcha%ef%bc%89%e5%9c%a8%e5%bf%ab%e9%80%9f%e5%9b%ba%e5%8c%96%e4%bd%93%e7%b3%bb%e4%b8%ad%e7%9a%84%e8%a1%a8%e7%8e%b0%e5%8f%8a%e5%85%b6","status":"publish","type":"post","link":"https:\/\/www.xindianchem.com\/7948.html","title":{"rendered":"\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\uff08DMCHA\uff09\u5728\u5feb\u901f\u56fa\u5316\u4f53\u7cfb\u4e2d\u7684\u8868\u73b0\u53ca\u5176\u5bf9\u4ea7\u54c1\u8d28\u91cf\u7684\u5f71\u54cd"},"content":{"rendered":"
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DMCHA\u7684\u72ec\u7279\u9b45\u529b\u5728\u4e8e\u5b83\u65e2\u80fd\u6ee1\u8db3\u5de5\u4e1a\u751f\u4ea7\u5bf9\u9ad8\u6548\u80fd\u7684\u9700\u6c42\uff0c\u53c8\u80fd\u517c\u987e\u73af\u4fdd\u548c\u5b89\u5168\u7684\u8981\u6c42\u3002\u8fd9\u79cd\u5316\u5408\u7269\u901a\u8fc7\u7cbe\u786e\u8c03\u8282\u56fa\u5316\u53cd\u5e94\u901f\u7387\uff0c\u4f7f\u73af\u6c27\u6811\u8102\u80fd\u591f\u5728\u8f83\u4f4e\u6e29\u5ea6\u4e0b\u5b9e\u73b0\u5feb\u901f\u56fa\u5316\uff0c\u540c\u65f6\u4fdd\u6301\u826f\u597d\u7684\u7269\u7406\u6027\u80fd\u3002\u76f8\u6bd4\u5176\u4ed6\u4f20\u7edf\u56fa\u5316\u5242\uff0cDMCHA\u8868\u73b0\u51fa\u66f4\u4f4e\u7684\u6325\u53d1\u6027\u548c\u66f4\u9ad8\u7684\u70ed\u7a33\u5b9a\u6027\uff0c\u8fd9\u4f7f\u5176\u6210\u4e3a\u73b0\u4ee3\u5de5\u4e1a\u751f\u4ea7\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u52a9\u5242\u3002<\/p>\n
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DMCHA\u5c5e\u4e8e\u8102\u80aa\u65cf\u80fa\u7c7b\u5316\u5408\u7269\uff0c\u5177\u6709\u5178\u578b\u7684\u80fa\u7c7b\u5316\u5b66\u6027\u8d28\u3002\u5b83\u80fd\u4e0e\u9178\u6027\u7269\u8d28\u53d1\u751f\u4e2d\u548c\u53cd\u5e94\u751f\u6210\u76d0\u7c7b\uff0c\u540c\u65f6\u4e5f\u80fd\u4e0e\u73af\u6c27\u57fa\u56e2\u53d1\u751f\u5f00\u73af\u53cd\u5e94\u5f62\u6210\u7a33\u5b9a\u7684\u52a0\u6210\u4ea7\u7269\u3002\u6839\u636e\u6587\u732e[1]\u7684\u7814\u7a76\u6570\u636e\uff0cDMCHA\u7684\u6cb8\u70b9\u7ea6\u4e3a205\u00b0C\uff0c\u7194\u70b9\u8303\u56f4\u5728-10\u81f3-15\u00b0C\u4e4b\u95f4\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u5e38\u6e29\u6761\u4ef6\u4e0b\u5448\u73b0\u4e3a\u65e0\u8272\u6216\u6de1\u9ec4\u8272\u6db2\u4f53\u3002\u5176\u5bc6\u5ea6\u7ea6\u4e3a0.86 g\/cm\u00b3\uff0c\u6298\u5c04\u7387\u4e3a1.45\u5de6\u53f3\uff0c\u8fd9\u4e9b\u7269\u7406\u53c2\u6570\u90fd\u4e3a\u5176\u5728\u5de5\u4e1a\u5e94\u7528\u4e2d\u63d0\u4f9b\u4e86\u4fbf\u5229\u6761\u4ef6\u3002<\/p>\n
DMCHA\u7684pKa\u503c\u7ea6\u4e3a10.6\uff0c\u663e\u793a\u51fa\u8f83\u5f3a\u7684\u78b1\u6027\u7279\u5f81\u3002\u8fd9\u79cd\u78b1\u6027\u7279\u6027\u662f\u5176\u4f5c\u4e3a\u73af\u6c27\u6811\u8102\u56fa\u5316\u50ac\u5316\u5242\u7684\u6838\u5fc3\u5c5e\u6027\uff0c\u80fd\u591f\u6709\u6548\u4fc3\u8fdb\u73af\u6c27\u57fa\u56e2\u7684\u5f00\u73af\u805a\u5408\u53cd\u5e94\u3002\u6b64\u5916\uff0cDMCHA\u8fd8\u5177\u6709\u8f83\u9ad8\u7684\u95ea\u70b9\uff08\u7ea690\u00b0C\uff09\uff0c\u8fd9\u4f7f\u5176\u5728\u50a8\u5b58\u548c\u8fd0\u8f93\u8fc7\u7a0b\u4e2d\u5177\u6709\u8f83\u597d\u7684\u5b89\u5168\u6027\u3002\u5176\u84b8\u6c14\u538b\u8f83\u4f4e\uff0c\u6325\u53d1\u6027\u76f8\u5bf9\u8f83\u5c0f\uff0c\u8fd9\u5bf9\u51cf\u5c11\u751f\u4ea7\u8fc7\u7a0b\u4e2d\u7684\u73af\u5883\u6c61\u67d3\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n
\u5728\u5ba4\u6e29\u6761\u4ef6\u4e0b\uff0cDMCHA\u901a\u5e38\u4ee5\u900f\u660e\u6db2\u4f53\u5f62\u5f0f\u5b58\u5728\uff0c\u5177\u6709\u8f7b\u5fae\u7684\u80fa\u5473\u3002\u5176\u7c98\u5ea6\u9002\u4e2d\uff0c\u7ea6\u4e3a5-8 cP\uff0825\u00b0C\uff09\uff0c\u8fd9\u6709\u52a9\u4e8e\u5176\u5728\u914d\u65b9\u4f53\u7cfb\u4e2d\u7684\u5747\u5300\u5206\u6563\u3002DMCHA\u5728\u6c34\u4e2d\u7684\u6eb6\u89e3\u5ea6\u6709\u9650\uff0c\u4f46\u80fd\u591f\u4e0e\u591a\u79cd\u6781\u6027\u6709\u673a\u6eb6\u5242\u5982\u9187\u7c7b\u3001\u916e\u7c7b\u548c\u916f\u7c7b\u826f\u597d\u76f8\u5bb9\u3002\u6839\u636e\u5b9e\u9a8c\u6d4b\u5b9a\uff0c\u5176\u5728\u4e2d\u7684\u6eb6\u89e3\u5ea6\u53ef\u8fbe30 wt%\uff0c\u800c\u5728\u6b63\u5e9a\u70f7\u7b49\u975e\u6781\u6027\u6eb6\u5242\u4e2d\u7684\u6eb6\u89e3\u5ea6\u5219\u8f83\u4f4e\u3002<\/p>\n
\u88681\u5c55\u793a\u4e86DMCHA\u7684\u4e3b\u8981\u7269\u7406\u5316\u5b66\u53c2\u6570\uff1a<\/p>\n
\u53c2\u6570\u540d\u79f0<\/th>\n | \u6570\u503c\u8303\u56f4<\/th>\n<\/tr>\n<\/thead>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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\u5206\u5b50\u91cf<\/td>\n | 127.23 g\/mol<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
\u6cb8\u70b9<\/td>\n | 205\u00b0C<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
\u7194\u70b9<\/td>\n | -10\u81f3-15\u00b0C<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
\u5bc6\u5ea6<\/td>\n | 0.86 g\/cm\u00b3<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
\u6298\u5c04\u7387<\/td>\n | 1.45<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
pKa\u503c<\/td>\n | 10.6<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
\u95ea\u70b9<\/td>\n | 90\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n DMCHA\u7684\u5206\u5b50\u7ed3\u6784\u4e2d\uff0c\u73af\u5df1\u70f7\u9aa8\u67b6\u63d0\u4f9b\u4e86\u8f83\u597d\u7684\u7a7a\u95f4\u4f4d\u963b\u6548\u5e94\uff0c\u800c\u4e24\u4e2a\u7532\u57fa\u53d6\u4ee3\u57fa\u5219\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u5176\u7acb\u4f53\u9009\u62e9\u6027\u3002\u8fd9\u79cd\u7ed3\u6784\u7279\u5f81\u4f7f\u5176\u5728\u50ac\u5316\u53cd\u5e94\u4e2d\u8868\u73b0\u51fa\u8f83\u9ad8\u7684\u4e13\u4e00\u6027\u548c\u53ef\u63a7\u6027\uff0c\u80fd\u591f\u6709\u6548\u8c03\u63a7\u73af\u6c27\u6811\u8102\u7684\u56fa\u5316\u8fc7\u7a0b\u3002<\/p>\n \u5b89\u5168\u7279\u6027\u4e0e\u6bd2\u6027\u8bc4\u4f30<\/h3>\n\u5c3d\u7ba1DMCHA\u5177\u6709\u4f18\u826f\u7684\u50ac\u5316\u6027\u80fd\uff0c\u4f46\u5176\u6bd2\u6027\u548c\u5b89\u5168\u6027\u4e5f\u662f\u9700\u8981\u91cd\u70b9\u5173\u6ce8\u7684\u65b9\u9762\u3002\u7814\u7a76\u8868\u660e\uff0cDMCHA\u7684\u6025\u6027\u6bd2\u6027\u8f83\u4f4e\uff0cLD50\u503c\uff08\u5927\u9f20\u7ecf\u53e3\uff09\u7ea6\u4e3a1500 mg\/kg\u3002\u7136\u800c\uff0c\u957f\u671f\u63a5\u89e6\u53ef\u80fd\u5f15\u8d77\u76ae\u80a4\u523a\u6fc0\u548c\u547c\u5438\u9053\u4e0d\u9002\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9700\u91c7\u53d6\u9002\u5f53\u7684\u9632\u62a4\u63aa\u65bd\u3002\u5176\u5206\u89e3\u4ea7\u7269\u4e3b\u8981\u4e3a\u7b80\u5355\u7684\u80fa\u7c7b\u5316\u5408\u7269\u548c\u4e8c\u6c27\u5316\u78b3\uff0c\u7b26\u5408\u73b0\u4ee3\u5de5\u4e1a\u5bf9\u73af\u4fdd\u6750\u6599\u7684\u8981\u6c42\u3002<\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0cDMCHA\u7684\u72ec\u7279\u5206\u5b50\u7ed3\u6784\u548c\u7406\u5316\u6027\u8d28\u4f7f\u5176\u6210\u4e3a\u7406\u60f3\u7684\u73af\u6c27\u6811\u8102\u56fa\u5316\u50ac\u5316\u5242\uff0c\u5176\u5404\u9879\u53c2\u6570\u5747\u7ecf\u8fc7\u4e25\u683c\u6d4b\u8bd5\u548c\u9a8c\u8bc1\uff0c\u4e3a\u540e\u7eed\u7684\u5e94\u7528\u7814\u7a76\u5960\u5b9a\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n DMCHA\u5728\u5feb\u901f\u56fa\u5316\u4f53\u7cfb\u4e2d\u7684\u50ac\u5316\u673a\u5236\u4e0e\u53cd\u5e94\u52a8\u529b\u5b66<\/h2>\nDMCHA\u5728\u73af\u6c27\u6811\u8102\u56fa\u5316\u8fc7\u7a0b\u4e2d\u7684\u6838\u5fc3\u4f5c\u7528\u673a\u5236\u53ef\u4ee5\u6982\u62ec\u4e3a"\u53cc\u9636\u6bb5\u50ac\u5316\u7406\u8bba"\u3002\u9636\u6bb5\u662f\u521d\u59cb\u6d3b\u5316\u9636\u6bb5\uff0cDMCHA\u901a\u8fc7\u5176\u5f3a\u78b1\u6027\u7684\u6c2e\u539f\u5b50\u6355\u83b7\u4f53\u7cfb\u4e2d\u7684\u6c34\u5206\u6216\u5fae\u91cf\u9178\u6027\u6742\u8d28\uff0c\u751f\u6210\u8d28\u5b50\u5316\u7684\u80fa\u6b63\u79bb\u5b50\uff08DMCHA-H+\uff09\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e0d\u4ec5\u6d88\u9664\u4e86\u53ef\u80fd\u5bfc\u81f4\u526f\u53cd\u5e94\u7684\u5e72\u6270\u56e0\u7d20\uff0c\u66f4\u91cd\u8981\u7684\u662f\u4e3a\u540e\u7eed\u7684\u50ac\u5316\u53cd\u5e94\u51c6\u5907\u4e86\u6d3b\u6027\u4e2d\u95f4\u4f53\u3002<\/p>\n \u5f53\u8d28\u5b50\u5316\u7684DMCHA\u9047\u5230\u73af\u6c27\u6811\u8102\u5206\u5b50\u65f6\uff0c\u4fbf\u8fdb\u5165\u7b2c\u4e8c\u9636\u6bb5\u2014\u2014\u4e3b\u50ac\u5316\u9636\u6bb5\u3002\u6b64\u65f6\uff0cDMCHA-H+\u901a\u8fc7\u6c22\u952e\u4f5c\u7528\u4e0e\u73af\u6c27\u57fa\u56e2\u76f8\u4e92\u4f5c\u7528\uff0c\u964d\u4f4e\u4e86\u73af\u6c27\u57fa\u56e2\u7684\u7535\u5b50\u4e91\u5bc6\u5ea6\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u4e86\u5176\u5bf9\u4eb2\u6838\u8bd5\u5242\u7684\u53cd\u5e94\u6d3b\u6027\u3002\u8fd9\u79cd\u7535\u5b50\u91cd\u5206\u5e03\u6548\u5e94\u4f7f\u5f97\u73af\u6c27\u57fa\u56e2\u66f4\u5bb9\u6613\u88ab\u5f00\u73af\uff0c\u5e76\u4e0e\u56fa\u5316\u5242\u53d1\u751f\u4ea4\u8054\u53cd\u5e94\u3002\u6574\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u7528\u4ee5\u4e0b\u5316\u5b66\u65b9\u7a0b\u5f0f\u8868\u793a\uff1a<\/p>\n [ text{DMCHA} + H_2O rightarrow text{DMCHA-H}^+ + OH^- ]<\/p>\n [ text{DMCHA-H}^+ + text{Epoxide} rightarrow text{Intermediate} + text{DMCHA} ]<\/p>\n \u4e3a\u4e86\u66f4\u76f4\u89c2\u5730\u7406\u89e3DMCHA\u7684\u50ac\u5316\u6548\u679c\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u5176\u4e0e\u5176\u4ed6\u5e38\u89c1\u56fa\u5316\u50ac\u5316\u5242\u7684\u53cd\u5e94\u901f\u7387\u5e38\u6570\u6765\u91cf\u5316\u5176\u6027\u80fd\u5dee\u5f02\u3002\u88682\u5217\u51fa\u4e86\u51e0\u79cd\u5178\u578b\u50ac\u5316\u5242\u5728\u76f8\u540c\u6761\u4ef6\u4e0b\u5bf9\u73af\u6c27\u6811\u8102\u56fa\u5316\u7684\u4fc3\u8fdb\u6548\u679c\uff1a<\/p>\n
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