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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜,2-甲基四氫呋喃</p><p><span>***更新：</span>2020-12-20 00:26:38</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="maocij8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海蔚云化工有限公司</a></p><p><span>聯(lián)系人：</span>盛志華</p><p><span>郵箱: </span>3273929241@qq.com</p><p><span>電話: </span>18721726651</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.weiyunhuagong.com</p><p><span>手機(jī): </span>021-52909928</p><p><span>地址: </span>靜安區(qū)靈石路709號(hào)55幢A2113室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="eh9d23i" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8xymmi8" class="box"><p><p style="text-indent:25px">四氫-2-甲基呋喃;喃;;2-甲基四喃;2-甲基四氫呋喃(METHF);A-甲基四氫呋喃;2-甲基四氫呋喃,大約150-400PPMBHT作為穩(wěn)定劑，C5H10O分子量：86.13安全術(shù)語(yǔ)遠(yuǎn)離火源。不慎與眼睛接觸后，預(yù)防靜電發(fā)生?？赡苌尚赃^(guò)氧化物。刺激眼睛和呼吸系統(tǒng)?？扇夹晕ｋU(xiǎn)特性：遇明火、高溫、氧化劑易燃;燃燒產(chǎn)生刺激煙霧滅火劑：干粉、干砂、二氧化碳，安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜、泡沫，安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜、1211滅火劑2一甲基四氫呋喃有毒嗎屬于危險(xiǎn)品毒性分級(jí)：中毒急性毒性：4500 毫克/公斤可燃性危險(xiǎn)特性：遇明火、高溫、氧化劑易燃;燃燒產(chǎn)生刺激煙霧物危險(xiǎn)特性：其蒸氣與空氣可形成性混合物，安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜,遇明火、高熱極易燃燒。四氫呋喃并用于天然氣加味。安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624016490617/6540095.png"></div><p style="text-indent:25px">呋喃是很好的富電芳香雜環(huán)，可與金屬形成金屬有機(jī)化合物參與反應(yīng)，可發(fā)生[2+2]光反應(yīng)、[2+3]環(huán)加成、[4+3]環(huán)加成和Diels-Alder反應(yīng)，也可以發(fā)生卡賓反應(yīng)。2-鹵代、?；?、氰基、磺酰基和羰基呋喃的合成呋喃作為富電的芳香雜環(huán)可以與很多的親電試劑發(fā)生反應(yīng)，用以制備鹵代呋喃、?；秽⑶璐秽推渌s原子取代呋喃等產(chǎn)物 (式1)。一般情況下C-2位比C-3位更容易受親電試劑的進(jìn)攻。烷基呋喃的合成烷基呋喃可由呋喃經(jīng)過(guò)親電取代反應(yīng)制得。呋喃發(fā)生Mannich反應(yīng)可生成2-(N,N-二烷基氨基)甲基呋喃衍生物，TMSI存在下呋喃也可以與β-酮發(fā)生反應(yīng)。而在Ag+催化下，1,3-二苯基硒丙烷 (式2) 或者氯代環(huán)丙烷可與呋喃發(fā)生烯丙基化。舟山2-甲基四氫呋喃供應(yīng)公司四氫呋喃是一種重要的有機(jī)合成原料且是性能優(yōu)良的溶劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623894254288/5270430.png"></div><p style="text-indent:25px">包裝方法：小開口鋼桶；安瓿瓶外普通木箱；螺紋口玻璃瓶、鐵蓋壓口玻璃瓶、塑料瓶或金屬桶（罐）外普通木箱。監(jiān)測(cè)方法：工程控制：生產(chǎn)過(guò)程密閉，加強(qiáng)通風(fēng)。呼吸系統(tǒng)防護(hù)：空氣中濃度較高時(shí)，應(yīng)該佩戴防毒面具。眼睛防護(hù)：戴化學(xué)安全防護(hù)眼鏡。身體防護(hù)：穿防靜電工作服。手防護(hù)：戴防護(hù)手套。其他防護(hù)：工作現(xiàn)場(chǎng)嚴(yán)禁吸煙。工作后，淋浴更衣。保持良好的衛(wèi)生習(xí)慣。理化特性外觀與性狀：無(wú)色揮發(fā)性液體，有類似醚的氣味。粘性：溶解性：微溶于水，可混溶于多數(shù)有機(jī)溶劑。主要用途：用作合成藥物磷酸氯喹、磷酸伯氨喹等的原料，也可用作溶劑。穩(wěn)定性：在常溫常壓下穩(wěn)定禁配物：強(qiáng)氧化劑、潮濕空氣。避免接觸的條件：接觸空氣。聚合危害：不能出現(xiàn)。</p><p style="text-indent:25px">幾種溶解性能良好的化工溶劑,被稱為都能溶劑.二甲基亞砜普遍用作溶劑和反應(yīng)試劑,特別是丙烯腈聚合反應(yīng)中作加工溶劑和抽絲溶劑,作聚氨酯合成及抽絲溶劑,作聚酰胺,聚酰亞胺和聚砜樹脂的合成溶劑,以及芳烴,丁二烯抽提溶劑和合成氯氟苯胺的溶劑等.四氫呋喃具有低毒、低沸點(diǎn)、流動(dòng)性好等特點(diǎn),是一種重要的有機(jī)合成原料和優(yōu)良的溶劑,具有普遍的用途,四氫呋喃對(duì)許多有機(jī)物有良好的溶解性,它能溶解除聚乙烯,聚丙烯及氟樹脂以外的所有有機(jī)化合物,特別是對(duì)聚氯乙烯,聚偏氯乙烯,和叮苯胺有良好的溶解作用,有都能溶劑之稱。甲基四氫呋喃應(yīng)與氧化劑等分開存放，切忌混儲(chǔ)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624283199578/5832986.png"></div><p style="text-indent:25px">應(yīng)用實(shí)例：鹽酸曲馬多合成中的應(yīng)用鹽酸曲馬多，在抗HIV藥替普那韋合成中的應(yīng)用替普那韋，在血管緊張素轉(zhuǎn)化酶控制劑馬來(lái)酸依那普利合成中的應(yīng)用馬來(lái)酸依那普利，在抗***藥氟康唑合成中的應(yīng)用氟康唑，在抗藥三尖杉酯堿合成中的應(yīng)用，在抗抑郁藥鹽酸安非他酮合成中的應(yīng)用芳樟醇芳香酮，在芳樟醇/香酮合成中的應(yīng)用，在農(nóng)藥草銨膦合成中的應(yīng)用，在聯(lián)苯醇的合成中應(yīng)用。 MeTHF凝固點(diǎn)為-136℃，因而它可以替代THF用于低溫下有機(jī)鋰反應(yīng)。在有機(jī)鋰化學(xué)中，使用MeTHF作溶劑與THF相比，不僅分離方便，而且所得的鋰。2-甲基四氫呋喃沸點(diǎn)較高。舟山2-甲基四氫呋喃供應(yīng)公司</p><p style="text-indent:25px">四氫呋喃分子是由4個(gè)C原子、8個(gè)H原子和1個(gè)O原子組成的。安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜</p><p style="text-indent:25px">聚四亞甲基醚二醇，又稱聚(四氫呋喃)，簡(jiǎn)稱PTMEG，是一種重要的高分子材料，用途十分普遍。氨綸工業(yè)PTMEG的主要領(lǐng)域是氨綸工業(yè)。氨綸是一種性能優(yōu)良的彈性纖維，主要用于生產(chǎn)內(nèi)衣、泳衣、運(yùn)動(dòng)裝和襪類。彈性體由PTMEG合成的聚氨酯，具有抗水解、耐老化、彈性好、耐磨等優(yōu)點(diǎn)，是特種橡膠的原料，可以用來(lái)制作航空軟管、升降機(jī)輪胎、工業(yè)膠帶、運(yùn)動(dòng)鞋、醫(yī)用假體等。其他領(lǐng)域PTMEG具有強(qiáng)度高、彈性好、耐霉變等優(yōu)點(diǎn)，也可以用于合成革制品、輪胎、傳送帶、建筑涂料和地板，以及防護(hù)材料等領(lǐng)域的生產(chǎn)。安徽2-甲基四氫呋喃生產(chǎn)廠家排行榜</p><p style="text-indent:25px">上海蔚云化工有限公司位于靜安區(qū)靈石路709號(hào)55幢A2113室。上海蔚云化工致力于為客戶提供良好的環(huán)戊酮，甲基異丙基酮，丙二胺，二甘醇胺，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造化工良好品牌。上海蔚云化工秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: 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