{"id":3877,"date":"2023-11-09T09:47:46","date_gmt":"2023-11-09T01:47:46","guid":{"rendered":"https:\/\/app.lemaidi888.com\/?p=3877"},"modified":"2023-11-09T09:47:46","modified_gmt":"2023-11-09T01:47:46","slug":"%e5%9b%9b%e6%b0%a2%e5%91%8b%e5%96%83-109-99-9-2","status":"publish","type":"post","link":"https:\/\/app.lemaidi888.com\/?p=3877","title":{"rendered":"\u56db\u6c22\u544b\u5583 109-99-9"},"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>
Henrys Law Constant<\/td>1.54 (static headspace-GC, Welke et al., 1998)<\/td><\/tr>
\u66b4\u9732\u9650\u503c<\/td>TLV-TWA 200 ppm (590 mg\/m3<\/sup>) (ACGIH,
MSHA, and OSHA); STEL 250 ppm
(ACGIH); IDLH 20,000 ppm (NIOSH).<\/td><\/tr>
\u7a33\u5b9a\u6027<\/td>Stable. Incompatible with halogens, strong oxidizing agents, strong reducing agents, strong bases, oxygen. May generate explosive peroxides in storage if in contact with air. Highly flammable. Store at room temperature under nitrogen. Hazardous polymerisation may occur. Light sensitive. May contain 2,6-di-tertbutyl-4-methylphenol (BHT) as a s<\/td><\/tr>
InChIKey<\/td>WYURNTSHIVDZCO-UHFFFAOYSA-N<\/td><\/tr>
(IARC)\u81f4\u764c\u7269\u5206\u7c7b<\/td>2B (Vol. 119) 2019<\/td><\/tr>
NIST\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>Furan, tetrahydro-(109-99-9)<\/td><\/tr>
EPA\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>Tetrahydrofuran (109-99-9)<\/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-3877","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/3877","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=3877"}],"version-history":[{"count":1,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/3877\/revisions"}],"predecessor-version":[{"id":3878,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/3877\/revisions\/3878"}],"wp:attachment":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}