{"id":283,"date":"2022-11-23T14:30:07","date_gmt":"2022-11-23T06:30:07","guid":{"rendered":"https:\/\/app.lemaidi888.com\/?p=283"},"modified":"2023-06-19T17:12:57","modified_gmt":"2023-06-19T09:12:57","slug":"%e5%9b%9b%e6%b0%a2%e5%91%8b%e5%96%83-109-99-9","status":"publish","type":"post","link":"https:\/\/app.lemaidi888.com\/?p=283","title":{"rendered":"\u56db\u6c22\u544b\u5583 \u4e28109-99-9\u4e28\u745e\u5a01\u5c14\u751f\u7269\u79d1\u6280"},"content":{"rendered":"\n
\u4e2d\u6587\u540d<\/td>\u56db\u6c22\u544b\u5583<\/td><\/tr>
\u4e2d\u6587\u540c\u4e49<\/td>\u8d85\u5e72THF;\u56db\u6c22\u544b\u5583(\u9700\u8981\u76f8\u5173\u8bc1\u660e);\u805a\u56db\u6c22\u544b\u5583,AVERAGE MN ~1,000;\u56db\u6c22\u544b\u5583,AR,99.0%;\u56db\u6c22\u544b\u5583,FOR HPLC,\u226599.9%;\u65e0\u6c34THF;THF\u56db\u6c22\u544b\u5583;\u56db\u6c22\u544b\u5583, 99.5%, SPCDRY, WITH MOLECULAR SIEVES, WATER\u226450 PPM (BY K.F.), SPCSEAL<\/td><\/tr>
\u82f1\u6587\u540d<\/td>Tetrahydrofuran<\/td><\/tr>
\u82f1\u6587\u540c\u4e49<\/td>TETRAMETHYLENE ETHER GLYCOL 2000 POLYMER;Tetrahydrofuran ,99.8% [Tetrahydrofuran,ACS\/HPLC Certified];Tetrahydrofuran, 99.6%, stabilized with BHT, for analysis ACS;Tetrahydrofuran, 99+%, stabilized with BHT, extra pure;Tetrahydrofuran, 99.9%, anhydrous, stabilized, extra pure;Tetrahydrofuran, 99.5+%, for spectroscopy;Tetrahydrofuran, 99.8%, unstabilized, for HPLC;Tetrahydrofuran, 99.85%, water <50 ppm, stabilized, extra dry<\/td><\/tr>
CAS<\/td>109-99-9<\/strong><\/td><\/tr>
\u5206\u5b50\u5f0f<\/td>C4H8O<\/td><\/tr>
\u5206\u5b50\u91cf<\/td>72.11<\/td><\/tr>
EINECS<\/td>203-726-8<\/td><\/tr>
\u7ed3\u6784\u5f0f<\/td>\"\u56db\u6c22\u544b\u5583\"<\/td><\/tr>
\u6027\u8d28<\/td><\/tr>
\u7194\u70b9<\/td>-108\u00b0C<\/td><\/tr>
\u6cb8\u70b9<\/td>66 \u00b0C<\/td><\/tr>
\u5bc6\u5ea6<\/td>0.887 g\/mL at 20 \u00b0C<\/td><\/tr>
\u84b8\u6c14\u5bc6\u5ea6<\/td>2.5 (vs air)<\/td><\/tr>
\u84b8\u6c14\u538b<\/td><0.01 mm Hg ( 25 \u00b0C)<\/td><\/tr>
\u6298\u5c04\u7387<\/td>n<\/em>20\/D 1.465<\/td><\/tr>
\u95ea\u70b9<\/td>>230 \u00b0F<\/td><\/tr>
\u50a8\u5b58\u6761\u4ef6<\/td>Store at +5\u00b0C to +30\u00b0C.<\/td><\/tr>
\u6eb6\u89e3\u5ea6<\/td>water: soluble<\/td><\/tr>
\u5f62\u6001<\/td>Liquid<\/td><\/tr>
\u989c\u8272<\/td><10(APHA)<\/td><\/tr>
\u6bd4\u91cd<\/td>0.89<\/td><\/tr>
\u76f8\u5bf9\u6781\u6027<\/td>0.207<\/td><\/tr>
\u6c14\u5473 (Odor)<\/td>Ethereal, detectable at 2 to 50 ppm<\/td><\/tr>
PH\u503c<\/td>7-8 (200g\/l, H2O, 20\u2103)<\/td><\/tr>
\u9178\u78b1\u6307\u793a\u5242\u53d8\u8272ph\u503c\u8303\u56f4<\/td>7<\/td><\/tr>
\u7206\u70b8\u6781\u9650\u503c(explosive limit)<\/td>1.5-12.4%(V)<\/td><\/tr>
\u6c34\u6eb6\u89e3\u6027<\/td>miscible<\/td><\/tr>
\u51dd\u56fa\u70b9<\/td>-108\u2103<\/td><\/tr>
\u6700\u5927\u6ce2\u957f(\u03bbmax)<\/td>\u03bb: 245 nm Amax: \u22640.26
\u03bb: 275 nm Amax: \u22640.046
\u03bb: 315 \u03bcm Amax: \u22640.0044<\/td><\/tr>
\u654f\u611f\u6027<\/td>Air Sensitive & Hygroscopic<\/td><\/tr>
Merck<\/td>14,9211<\/td><\/tr>
BRN<\/td>102391<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

\u4e2d\u6587\u540d \u56db\u6c22\u544b\u5583 \u4e2d\u6587\u540c\u4e49 \u8d85\u5e72THF;\u56db\u6c22\u544b\u5583(\u9700\u8981\u76f8\u5173\u8bc1\u660e);\u805a\u56db\u6c22\u544b\u5583,AVERAGE MN ~1,00 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-283","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=283"}],"version-history":[{"count":3,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions"}],"predecessor-version":[{"id":2875,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions\/2875"}],"wp:attachment":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}