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和PhCN等。\nKF可促进有机氟代硅烷与碘代芳烃在钯催化下的羰基偶联反应。\nDMSO中的KF是一种很好的脱HCl试剂。卤代烯或卤代烷在KF作用下能脱HCl生成炔烃、丙二烯、链烯及共轭二烯等。反应体系中有冠醚存在的条件下有利于消除反应，尤其在MeCN作为溶剂的时候。KF还可以促进醇、酚、硫醇、胺与卤代烷的烷烃化反应。这种方法已被用于冠醚的合成。杂环也可以被烯丙基卤代物烷基化。KF作催化剂，苯酚可以与活化的芳基氟发生芳基化反应。\n在羧酸和卤代烷转化成酯的反应中加入KF能够大大提高反应产率。这个反应用反应物酸作为溶剂；当起始原料酸为固体时，则可以用DMF为溶剂。反应活性最好的底物是碘代烷。\nKF还能用于促进Fischer烷氧基卡宾复合物的氧化。在KF或Bu\n4\nNF作用下，Fischer烷氧基卡宾复合物的金属部分可以被氧化除去，形成相应的酯类似物。该方法简单且低成本。\n3.稳定性 稳定\n4.禁配物 强酸\n5.聚合危害 不聚合",{"label":219,"labelZh":219,"value":220},"水溶解性","92.3 g\u002F100 mL (18 ºC)",{"label":222,"labelZh":223,"value":224},"Molecular Structure","分子结构","1、摩尔折射率：无可用的\n2、摩尔体积（cm\n3\n\u002Fmol）：无可用的\n3、等张比容（90.2K）：无可用的\n4、表面张力（dyne\u002Fcm）：无可用的\n5、介电常数：无可用的\n6、极化率：无可用的\n7、单一同位素质量：57.96211 Da\n8、标称质量：58 Da\n9、平均质量：58.0967 Da",{"label":226,"labelZh":227,"value":228},"Computational Chemistry","计算化学","1.疏水参数计算参考值（XlogP）:无\n2.氢键供体数量:0\n3.氢键受体数量:1\n4.可旋转化学键数量:0\n5.互变异构体数量:无\n6.拓扑分子极性表面积0\n7.重原子数量:2\n8.表面电荷:0\n9.复杂度:2\n10.同位素原子数量:0\n11.确定原子立构中心数量:0\n12.不确定原子立构中心数量:0\n13.确定化学键立构中心数量:0\n14.不确定化学键立构中心数量:0\n15.共价键单元数量:2",{"label":230,"labelZh":230,"value":231},"更多","1.性状：无色立方结晶，易潮解。\n2.熔点（℃）：858\n3.沸点（℃）：1505\n4.相对密度（水=1）：2.48\n5.饱和蒸气压（kPa）：0.133Pa（885℃）\n6.溶解性：溶于水、氢氟酸、液氨，不溶于乙醇。",{"pictogram":233,"signal":234,"hazards":235},"Acute Toxicity","Danger",[],[],"\u003Ctd>\n\u003Cdiv class=\"\" id=\"MSDSTbl\">\n\u003Ctable class=\"_table_all\">\n\u003Ctbody>\n\u003Ctr class=\"_tr_1\">\n\u003Ctd class=\"_td_header_1\">\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_1\"> 61513 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_2\">\n\u003Ctd class=\"_td_header_2\">\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_2\"> 7789-23-3 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_3\">\n\u003Ctd class=\"_td_header_3\">\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_3\"> 氟化钾 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_4\">\n\u003Ctd class=\"_td_header_4\">\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_4\"> potassium fluoride \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_5\">\n\u003Ctd class=\"_td_header_5\">\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_5\"> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_6\">\n\u003Ctd class=\"_td_header_6\">\u003Cstrong> 分子式: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_6\"> KF \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_7\">\n\u003Ctd class=\"_td_header_7\">\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_7\"> 58.10 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_8\">\n\u003Ctd class=\"_td_header_8\">\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_8\"> 858℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_9\">\n\u003Ctd class=\"_td_header_9\">\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_9\"> 相对密度(水=1)2.48 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_10\">\n\u003Ctd class=\"_td_header_10\">\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_10\"> 溶于水、氢氟酸、液氨，不溶于醇 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_11\">\n\u003Ctd class=\"_td_header_11\">\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_11\"> 溶于水，微溶于醇 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_12\">\n\u003Ctd class=\"_td_header_12\">\u003Cstrong> 稳定性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_12\"> 稳定 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_13\">\n\u003Ctd class=\"_td_header_13\">\u003Cstrong> 外观与性状: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_13\"> 无色立方结晶，易潮解 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_14\">\n\u003Ctd class=\"_td_header_14\">\u003Cstrong> 危险标记: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_14\"> 15(有害品) \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_15\">\n\u003Ctd class=\"_td_header_15\">\u003Cstrong> 用 途: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_15\"> 用作分析试剂、络合物形成剂，及用于玻璃雕刻和食物防腐，还用作杀虫剂等 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr\u002F>\n\u003Ch3>\u003C\u002Fh3>\n\u003Cp>2.对环境的影响\u003C\u002Fp>\n\u003Cp>该物质对环境有危害，应特别注意对水体的污染。\u003C\u002Fp>\n\u003Cp>一、健康危害\u003C\u002Fp>\n\u003Cp>侵入途径：吸入、食入。 健康危害：本品对粘膜、上呼吸道、眼睛、皮肤组织有极强的破坏作用。吸入后可因喉及支气管的炎症、水肿、痉挛及化学性肺炎、肺水肿而致死。中毒表现有烧灼感、咳嗽、喘息、喉炎、气短、头痛、恶心和呕吐。\u003C\u002Fp>\n\u003Cp>二、毒理学资料及环境行为\u003C\u002Fp>\n\u003Cp>急性毒性：LD50245mg\u002Fkg(大鼠经口) 刺激性：兔经眼20mg(24小时)，中度刺激。 虽然适当量的氟是人体所必需的但超过安全范围就会造成危害及病变，病变的程度与饮用水、食物、空气及组织中的氟含量呈正相并。当长期从被污染的水中摄入大量氟化物后，最初常有类似风湿病的病疼、颈椎和腰椎疼痛及僵硬感；以后发生四肢疼痛及感觉迟钝，而后出现活动不便、关节畸形、景晕、耳鸣、恶心、厌食、便秘等症状。主要临床症状为氟斑牙、牙齿出现黄色、褐色或黑色斑点及腐蚀，易于磨损、破碎或脱落。急性中毒时，主要表现为口渴，胃肠道反应是溃疡、出血和痉挛、虚脱及麻痹等。\u003C\u002Fp>\n\u003Cp>危险特性：未有特殊的燃烧爆炸特性。 燃烧(分解)产物：氟化氢。\u003C\u002Fp>\n\u003Cp>3.现场应急监测方法\u003C\u002Fp>\n\u003Cp>速测管法；离子选择电极法《突发性环境污染事故应急监测与处理处置技术》万本太主编\u003C\u002Fp>\n\u003Cp>4.实验室监测方法\u003C\u002Fp>\n\u003Cp>离子选择性电极法(GB7484-87，水质，氟化物)石灰滤纸-氟离子选择电极法(GB\u002FT15433-95，空气，氟化物)滤膜氟离子选择电极法(GB\u002FT15434-95，空气，氟化物)\u003C\u002Fp>\n\u003Cp>5.环境标准\u003C\u002Fp>\n\u003Ctable height=\"407\">\n\u003Ctbody>\n\u003Ctr class=\"_tr_16\">\n\u003Ctd class=\"_td_header_16\" height=\"20\">中 国 (TJ36-79)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_16\" height=\"20\">车间空气中有害物质的最高容许浓度\u003C\u002Ftd>\n\u003Ctd height=\"20\">1mg\u002Fm\u003Csup>3\u003C\u002Fsup>[F]\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_17\">\n\u003Ctd class=\"_td_header_17\" height=\"33\">中 国 (TJ36-79)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_17\" height=\"33\">居住区大气中有害物质的最高容许浓度(氟化物)\u003C\u002Ftd>\n\u003Ctd height=\"33\">0.02mg\u002Fm\u003Csup>3\u003C\u002Fsup>(一次值)；0.007mg\u002Fm\u003Csup>3\u003C\u002Fsup>(日均值)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_18\">\n\u003Ctd class=\"_td_header_18\" height=\"128\">中国(GB16297-1996)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_18\" height=\"128\">大气污染物综合排放标准(氟化物)\u003C\u002Ftd>\n\u003Ctd height=\"128\">①最高允许排放浓度(mg\u002Fm\u003Csup>\u003Csup>3\u003C\u002Fsup>\u003C\u002Fsup>)：\u003Cbr\u002F>9～90(表2)；11～100(表1)\u003Cbr\u002F>②最高允许排放速率(kg\u002Fh)：\u003Cbr\u002F>二级0.10～4.2(表2)；0.12～4.9(表1)\u003Cbr\u002F>三级0.15～6.3(表2)；0.18～7.5(表1)\u003Cbr\u002F>\u003Cdiv id=\"msdsControl\">③无组织排放监控浓度限值(mg\u002Fm\u003Csup>3\u003C\u002Fsup>)：\u003Cbr\u002F>0.02(表2)；0.02(表1)\u003C\u002Fdiv>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_19\">\n\u003Ctd class=\"_td_header_19\" height=\"16\">中国(GB5048-92) \u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_19\" height=\"16\">农田灌溉水质标准(氟化物) \u003C\u002Ftd>\n\u003Ctd height=\"16\">2.0～3.0mg\u002FL(水作，旱作，蔬菜)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_20\">\n\u003Ctd class=\"_td_header_20\" height=\"19\">中国(GB11607-89)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_20\" height=\"19\">渔业水质标准 \u003C\u002Ftd>\n\u003Ctd height=\"19\">1mg\u002FL(氟化物)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_21\">\n\u003Ctd class=\"_td_header_21\" height=\"16\">中国(GB5749-85)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_21\" height=\"16\">生活饮用水卫生标准\u003C\u002Ftd>\n\u003Ctd height=\"16\">1.0mg\u002FL(氟化物)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_22\">\n\u003Ctd class=\"_td_header_22\" height=\"32\">中国(GB\u002FT14848-93)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_22\" height=\"32\">地下水质量标准(mg\u002FL)\u003C\u002Ftd>\n\u003Ctd height=\"32\">I类1.0；II类1.0；III类1.0；IV类2.0；V类2.0以上(氟化物)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_23\">\n\u003Ctd class=\"_td_header_23\" height=\"35\">中国(GHZB1-1999)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_23\" height=\"35\"> \u003Cp>地表水环境质量标准(mg\u002FL)\u003C\u002Fp>\u003C\u002Ftd>\n\u003Ctd height=\"35\">I类1.0以下；II类1.0；III类1.0；IV类1.5； V类1.5(氟化物)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_24\">\n\u003Ctd class=\"_td_header_24\" height=\"32\"> \u003Cp>中国(GB8978-1996)\u003C\u002Fp>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_24\" height=\"32\"> \u003Cp>污水综合排放标准(mg\u002FL)\u003C\u002Fp>\u003C\u002Ftd>\n\u003Ctd height=\"32\"> \u003Cp>一级10；二级10～20；三级20～30(氟化物)\u003C\u002Fp>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_25\">\n\u003Ctd class=\"_td_header_25\" height=\"16\">中国(GB5058.3-1996)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_25\" height=\"16\">固体废弃物浸出毒性鉴别标准值\u003C\u002Ftd>\n\u003Ctd height=\"16\">50mg\u002FL(氟化物)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Ch3>\u003C\u002Fh3>\n\u003Cp>6.应急处理处置方法\u003C\u002Fp>\n\u003Cp>一、泄漏应急处理\u003C\u002Fp>\n\u003Cp>隔离泄漏污染区，周围设警告标志，建议应急处理人员戴好防毒面具，穿化学防护服。不要直接接触泄漏物。小量泄漏：避免扬尘，用洁净的铲子收集于干燥、洁净有盖的容器中。也可以用大量水冲洗，洗水稀释后放入废水系统。大量泄漏：收集回收或运至废物处理场所处置。\u003C\u002Fp>\n\u003Cp>含氟废水的处理主要有以下三种方法： ⑴钙盐沉淀法。加石灰乳使含氟废水的pH至7.0～7.5，再加1～1.5ml高分子絮凝剂(聚丙烯酰胺)。处理后的水中残氟通常在15～40mg\u002FL。 ⑵钙盐-硫酸铝共沉淀法。采用石灰乳和硫酸铝处理含氟废水时，pH应控制在6～7，添加石灰乳量为Ca2+\u002FF-当量比=10，硫酸铝用量为3000mg\u002FL，处理后废水残留的氟在2.0～0.1mg\u002FL以下。 ⑶钙盐-磷酸盐法。本法是通过加入钙盐和磷酸盐从废水中除去氟化物。当钙盐添加量为Ca2+\u002FF-当量比=10，磷酸根添加1400～3500mg\u002FL时，处理后废水残留的氟在2.0～0.1mg\u002FL以下。\u003C\u002Fp>\n\u003Cp>二、防护措施\u003C\u002Fp>\n\u003Cp>呼吸系统防护：空气中浓度超标时，应该佩带防毒口罩。紧急事态抢救或逃生时，建议佩戴自给式呼吸器。 眼睛防护：戴化学安全防护眼镜。 身体防护：穿相应的防护服。 手防护：戴防化学品手套。 其它：工作现场禁止吸烟、进食和饮水。工作毕，淋浴更衣。工作服不准带至非作业场所。单独存放被毒物污染的衣服，洗后备用。保持良好的卫生习惯。三、急救措施\u003C\u002Fp>\n\u003Cp>皮肤接触：脱去被污染的衣着，立即用水冲洗至少15分钟。若有灼伤，按酸灼伤处理。 眼睛接触：立即提起眼睑，用流动清水冲洗10分钟或用2%碳酸氢钠溶液冲洗。就医。 吸入：迅速脱离现场至空气新鲜处。保持呼吸道通畅。呼吸困难时给输氧。呼吸停止时立即进行人工呼吸。就医。 食入：患者清醒时立即漱口，给饮牛奶或蛋清。如发生呕吐，使其取侧卧位，防止呕吐物进入气管。就医。\u003C\u002Fp>\n\u003Cp>灭火方法：干粉、砂土。\u003C\u002Fp>\u003C\u002Fdiv>\n\u003C\u002Ftd>",[239,245,251,257,263,269],{"slug":240,"cid":241,"name":242,"nameZh":243,"cas":244},"785889771502178304","J-28647-7","Lithium hypochlorite","次氯酸锂","13840-33-0",{"slug":246,"cid":247,"name":248,"nameZh":249,"cas":250},"785889770894004224","J-28644-4","Cobalt","钴","7440-48-4",{"slug":252,"cid":253,"name":254,"nameZh":255,"cas":256},"785871916178083840","J-1990292-2","Silica glass","二氧化硅","60676-86-0",{"slug":258,"cid":259,"name":260,"nameZh":261,"cas":262},"785891368114327552","J-1402269-4","silica gel","硅胶","112926-00-8",{"slug":264,"cid":265,"name":266,"nameZh":267,"cas":268},"785880393218789376","J-15233-4","Nitridotitanium","氮化钛","25583-20-4",{"slug":270,"cid":271,"name":272,"nameZh":273,"cas":274},"785881776051458048","J-20977-5","Copper","铜粉","7440-50-8",1790116702620,"zh-CN",[]]