[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"currency-rates":3,"compound-J-28477-8":8,"$fyk2oeqxpb7bd":130,"verified-suppliers-J-28477-8":289},{"rates":4,"source":7},{"USD":5,"CNY":6},1,6.710202,"live",{"slug":9,"cid":10,"imgSvg":11,"name":12,"nameZh":12,"cas":13,"formula":14,"iupac":12,"mdl":15,"mw":16,"category":17,"categoryName":18,"categoryEnName":19,"industry":15,"tags":20,"synonyms":21,"properties":24,"ghs":83,"offers":91,"msds":92,"related":93,"__ts":128,"__lang":129,"__slug":10},"785889725658435584","J-28477-8","\u002Fimages\u002Fchem_structures_svg\u002F450\u002F106-42-3.svg","对二甲苯","106-42-3","C8H10","","106.165","solvents","溶剂","Solvents",[],[22,23],"1,4-二甲基苯","1,4-二甲苯",[25,29,33,37,41,45,48,51,54,58,62,66,69,72,76,80],{"label":26,"labelZh":26,"value":27,"prop":28},"Melting Point","13ºC","meltingPoint",{"label":30,"labelZh":30,"value":31,"prop":32},"Boiling Point","138 °C at 760 mmHg","boilingPoint",{"label":34,"labelZh":34,"value":35,"prop":36},"Density","0.861","density",{"label":38,"labelZh":38,"value":39,"prop":40},"Flash Point","27.2±0.0 °C","flashPoint",{"label":42,"labelZh":43,"value":44},"Exact Mass","精确质量","106.078247",{"label":46,"labelZh":46,"value":47},"LogP","3.14",{"label":49,"labelZh":49,"value":50},"外观性状","无色液体",{"label":52,"labelZh":52,"value":53},"蒸汽密度","3.7 (vs air)",{"label":55,"labelZh":56,"value":57},"Vapor Pressure","蒸汽压","7.9±0.1 mmHg at 25°C",{"label":59,"labelZh":60,"value":61},"Refractive Index","折射率","1.500",{"label":63,"labelZh":64,"value":65},"Storage Conditions","储存条件","储存注意事项\n储存于阴凉、通风的库房。远离火种、热源。库温不宜超过37℃。保持容器密封。应与氧化剂分开存放，切忌混储。采用防爆型照明、通风设施。禁止使用易产生火花的机械设备和工具。储区应备有泄漏应急处理设备和合适的收容材料。",{"label":67,"labelZh":67,"value":68},"稳定性","1.对金属无腐蚀性。用稀硝酸氧化生成对甲基苯甲酸，继续氧化生成对苯二甲酸。与其他氧化剂的作用和邻二甲苯类似。对二甲苯在碳酸钠水溶液和空气存在下，于250℃，6 MPa下生成对甲基苯甲酸、对苯二甲酸、乙醛。用钴盐作催化剂，120℃经空气液相氧化生成对甲基苯甲酸。氯化反应与其他二甲苯类似。对二甲苯热解生成甲烷、氢、甲苯、对联甲苯、2,6-二甲基蒽。\n2.稳定性稳定\n3.禁配物 强氧化剂、酸类、卤素等\n4.聚合危害 不聚合",{"label":70,"labelZh":70,"value":71},"水溶解性","水溶性：不溶；水溶解度：198 mg\u002Fl   25 °C；混溶：乙醚,丙酮,醇",{"label":73,"labelZh":74,"value":75},"Molecular Structure","分子结构","1、摩尔折射率：35.90\n2、摩尔体积（cm\n3\n\u002Fmol）：121.9\n3、等张比容（90.2K）：282.5\n4、表面张力（dyne\u002Fcm）：28.7\n5、介电常数：2.39\n6、偶极距（10\n-24\ncm\n3\n）：\n7、极化率：14.23",{"label":77,"labelZh":78,"value":79},"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:0\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:8\n8.表面电荷:0\n9.复杂度:48.4\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:1",{"label":81,"labelZh":81,"value":82},"更多","1.性状：无色透明液体，有类似甲苯的气味。\n2.熔点（℃）：13.3\n3.沸点（℃）：138.4\n4.相对密度（水=1）：0.86\n5.相对蒸气密度（空气=1）：3.66\n6.饱和蒸气压（kPa）：1.16（25℃）\n7.燃烧热（kJ\u002Fmol）：-4559.8\n8.临界温度（℃）：359\n9.临界压力（MPa）：3.51\n10.辛醇\u002F水分配系数：3.15\n11.闪点（℃）：25（CC）\n12.引燃温度（℃）：528\n13.爆炸上限（%）：7\n14.爆炸下限（%）：1.1\n15.溶解性：不溶于水,可混溶于乙醇、乙醚、氯仿、丙酮、苯等多数有机溶剂。\n16.黏度（mPa·s,25ºC）：0.603\n17.蒸发热（KJ\u002Fmol,101.3kPa）：36.00\n18.蒸发热（KJ\u002Fmol,1.16kPa）：42.40\n19.熔化热（KJ\u002Fmol,101.3kPa）：17.12\n20.生成热（KJ\u002Fmol,25ºC,气体）：17.96\n21.生成热（KJ\u002Fmol,25ºC,液体）：-24.43\n22.燃烧热（KJ\u002Fmol,25ºC, 气体）：4598.32\n23.燃烧热（KJ\u002Fmol,25ºC, 液体）：4555.90\n24.比热容（KJ\u002F(kg·K),25ºC,定压）：1.20\n25.热导率（W\u002F(m·K),30≤t≤125 ºC）：(0.1375~2.302)×10\n-4\nt\n26.相对密度（20℃，4℃）：0.8610\n27.常温折射率（n\n20\n）：1.4958\n28.临界密度（g·cm\n-3\n）：0.281\n29.临界体积（cm\n3\n·mol\n-1\n）：378\n30.临界压缩因子：0.259\n31.偏心因子：0.346\n32.Lennard-Jones参数（A）：15.83\n33.Lennard-Jones参数（K）：1623.1\n34.溶度参数(J·cm\n-3\n)\n0.5\n：17.838\n35.van der Waals面积（cm\n2\n·mol\n-1\n）：8.840×10\n9\n36.van der Waals体积（cm\n3\n·mol\n-1\n）：70.660\n37.气相标准燃烧热(焓)(kJ·mol\n-1\n)：-4595.27\n38.气相标准声称热(焓)( kJ·mol\n-1\n) ：18.06\n39.气相标准熵(J·mol\n-1\n·K\n-1\n) ：352.34\n40.气相标准生成自由能( kJ·mol\n-1\n)：121.5\n41.气相标准热熔(J·mol\n-1\n·K\n-1\n)：126.02\n42.液相标准燃烧热(焓)(kJ·mol\n-1\n)：-4552.86\n43.液相标准声称热(焓)( kJ·mol\n-1\n)：-24.35\n44.液相标准熵(J·mol\n-1\n·K\n-1\n) ：247.15\n45.液相标准生成自由能( kJ·mol\n-1\n)：110.30\n46.液相标准热熔(J·mol\n-1\n·K\n-1\n)：182.22",{"pictogram":84,"signal":85,"hazards":86},"Flammable \u002F Irritant","Warning",[87,88,89,90],"H226 — Flammable liquid and vapour \u002F 易燃液体和蒸气","H312 — Harmful in contact with skin \u002F 皮肤接触有害","H332 — Harmful if inhaled \u002F 吸入有害","H315 — Causes skin irritation \u002F 造成皮肤刺激",[],"\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\"> 33535 \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\"> 106-42-3 \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\"> 1，4-二甲苯 \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\"> 1，4-xylene；p-xylene \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\"> 对二甲苯 \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\"> C\u003Csub>8\u003C\u002Fsub>H\u003Csub>10\u003C\u002Fsub>；C\u003Csub>6\u003C\u002Fsub>H\u003Csub>4\u003C\u002Fsub>(CH\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> \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\"> 106.17 \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\"> 13.3℃ 沸点：138.4℃ \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)0.86； \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\"> 25℃ \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\"> 不溶于水，可混溶于乙醇、乙醚、氯仿等多数有机溶剂 \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\"> 无色透明液体，有类似甲苯的气味 \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\"> 7(易燃液体) \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\"> 作为合成聚酯纤维、树脂、涂料、染料和农药等的原料 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr\u002F>\n\u003Cb class=\"msds_title\"> 2.对环境的影响: \u003C\u002Fb>\n\u003Cbr\u002F> 一、健康危害 \n\u003Cbr\u002F> 侵入途径：吸入、食入、经皮吸收。\n\u003Cbr\u002F>健康危害：二甲苯对眼及上呼吸道有刺激作用，高浓度时对中枢神经系统有麻醉作用。\n\u003Cbr\u002F>急性中毒：短期内吸入较高浓度核武器中可出现眼及上呼吸道明显的刺激症状、眼结膜及咽充血、头晕、恶心、呕吐、胸闷、四肢无力、意识模糊、步态蹒跚。重者可有躁动、抽搐或昏迷，有的有癔病样发作。\n\u003Cbr\u002F>\u003Cdiv id=\"msdsControl\">慢性影响：长期接触有神经衰弱综合征，女工有月经异常，工人常发生皮肤干燥、皲裂、皮炎。 \n\u003Cbr\u002F> 二、毒理学资料及环境行为 \n\u003Cbr\u002F> 毒性：属低毒类。\n\u003Cbr\u002F>急性毒性：LD\n\u003Csub>50\u003C\u002Fsub>5000mg\u002Fkg(大鼠经口)；LC\n\u003Csub>50\u003C\u002Fsub>19747mg\u002Fkg，4小时(大鼠吸入)\n\u003Cbr\u002F>刺激性：人经眼：200ppm，引起刺激。家兔经皮：500mg(24小时)，中度刺激。\n\u003Cbr\u002F>亚急性和慢性毒性：大鼠、家兔吸入5000mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>，8小时\u002F天，55天，导致眼刺激，衰竭，共济失调，RBC和WBC数稍下降，骨髓增生并有3%～4%的巨核细胞。  \n\u003Cbr\u002F>致突变性：细胞遗传渖分析：啤酒酵母菌1mmol\u002F管。 \n\u003Cbr\u002F>生殖毒性：大鼠吸入最低中毒浓度(TDL\n\u003Csub>0\u003C\u002Fsub>)：19mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>，24小时(孕9～14天用药)，引起肌肉骨骼发育异常。 \n\u003Cbr\u002F>污染来源：二甲苯是重要的化工原料，有机合成、合成橡胶、油漆和染料、合成纤维、石油加工、制药、纤维素等生产工厂的废水废气，以及生产设备不密封和车间通风换气，是环境中二甲苯的主要来源。运输、贮存过程中的翻车、泄漏，火灾也会造成意外污染事故。\n\u003Cbr\u002F>\n\u003Cbr\u002F>代谢和降解：在人和动物体内，吸入的二甲苯除3%～6%被直接呼出外，二甲苯的三种异构体都有代谢为相应的苯甲酸(60%的邻-二甲苯、80%～90%的间、对-二甲苯)，然后这些酸与葡萄糖醛酸和甘氨酸起反应。在这个过程中，大量邻-苯甲酸与葡萄粮醛酸结合，而对-苯甲酸必乎完全与甘氨酸结合生成相应的甲基马尿酸而排出体外。与此同时，可能少量形成相应的二甲苯酚(酚类)与氢化2-甲基-3-羟基苯甲酸(2%以下)。\n\u003Cbr>\n\u003Cbr>残留与蓄积：在职业性接触中，二甲苯主要经呼吸道进入身体。对全部二甲苯的异构体而言，由肺吸收其蒸气的情况相同，总量达60%～70%，在整个的接触时期中，这个吸收量比较恒定。二甲苯溶液可经完整皮肤以平均吸收率为2.25µg\u002F(cm\n\u003Csup>3\u003C\u002Fsup>·min)(范围0.7～4.3µg\u002F(cm\n\u003Csup>3\u003C\u002Fsup>·min))被吸收，二甲苯蒸气的经皮吸收与直接接触液体相比是微不足道的。二甲苯的鲍留和蓄积并不严重，上面我们已经说过进入人体的二甲苯，可以在人体的NADP(转酶II)和NAD(转酶I)存在下生成甲基苯甲酸，然后与甘氨酸结合形成甲基马尿酸在18小时内几乎全部排出体外。即使是吸入后残留在肺部的3%～6%的二甲苯，也在接触后的3小时内(半衰期为0.5～1小时)全部被呼出体外。评价接触二甲苯的残留试验，主要是测定尿内甲基马尿酸的含量，也有人建议测定咱出气体中或血液中二甲苯的含量，但后者的结果往往并不准确。由于甲基马尿酸并不天然存在于尿中，又由于它几乎是全部滞留的二甲苯代谢物，因而测定它的存在是最好的二甲苯接触试验的确证。二甲苯能相当持久地存在于饮水中。自来水中二甲苯的浓度为5mg\u002FL时，其气味强度相当于5级，二甲苯的特有气味则要过7至8天才能消失；气味强度为3级时则需4至5天。河水中二甲苯的气味保持的时间较短，这与起始浓度的高低有关，一般可保留3至5天。\n\u003Cbr>\n\u003Cbr>迁移转化：二甲苯主要由原油在石油化工过程中制造，它广泛用于颜料、油漆等的稀释剂，印刷、橡胶、皮革工业的溶剂。作为清洁剂和去油污剂，航空燃料的一种成分，化学工厂和合成纤维工业的原材料和中间物质，以及织物的纸张的涂料和浸渍料。二甲苯可通过机械排风和通风设备排入大气而造成污染。一座精炼油厂排放入大气的二甲苯高达13.18～1145g\u002Fh，二甲苯可随其生产和使用单位所排入的废水进入水体，生产1吨二甲苯，一般排出含二甲苯300～1000mg\u002FL的废水2立方米。由于二甲苯在水溶液中挥发的趋势较强，因此可以认为其在地表水中不是持久性的污染物。二甲苯在环境中也可以生物降解，但这种过程的速度比挥发过程的速率低得多。挥发到空中的二甲苯也可能被光解，这是它的主要迁移转化过程。\n\u003Cbr>二甲苯由呼气和代谢物从人体排出的速度很快，在接触停止18小时内几乎全部排出体外，二甲苯能相当持久的存在于饮水中。由于二甲苯在水溶液中挥发性较强，因此，可以认为其在地表水中不是持久性污染物。二甲苯在环境中也可以生物降解和化学降解，但其速度比挥发低得多，挥发到空气中的二甲苯可被光解。可与氧化剂反应，高浓度气体与空气混合发生爆炸。二甲苯有中等程度的燃烧危险。由于其蒸气比空气重，燃烧时火焰沿地面扩散。二甲苯易挥发，发生事故现场会弥漫着二甲苯的特殊芳香味，倾泄入水中的二甲苯可漂浮在水面上，或呈油状物分布在水面，可造成鱼类和水生生物的死亡。\n\u003Cbr>\n\u003Cbr>危险特性：易燃，其蒸气与空气可形成爆炸性混合物。遇明火、高热能引起燃烧爆炸。与氧化剂能发生强烈反应。流速过快，容易产生和积聚静电。其蒸气比空气重，能在较低处扩散至相当远的地方，遇明火会引着回燃。\n\u003Cbr>燃烧(分解)产物：一氧化碳、二氧化碳。 \n\u003Ch3>3.现场应急监测方法:\u003C\u002Fh3>\n\u003Cbr> 气体检测管法；便携式气相色谱法；水质检测管法\n\u003Cbr>快速检测管法《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\n\u003Cbr>气体速测管（北京劳保所产品、德国德尔格公司产品） \n\u003Ch3>4.实验室监测方法:\u003C\u002Fh3>\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr class=\"_tr_16\">\n\u003Ctd class=\"_td_header_16\">监测方法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_16\">来源\u003C\u002Ftd>\n\u003Ctd>类别\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_17\">\n\u003Ctd class=\"_td_header_17\">气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_17\">GB11890-89\u003C\u002Ftd>\n\u003Ctd>水质\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_18\">\n\u003Ctd class=\"_td_header_18\">气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_18\">GB\u002FT14677-93\u003C\u002Ftd>\n\u003Ctd>空气\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_19\">\n\u003Ctd class=\"_td_header_19\">无泵型采样气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_19\">WS\u002FT153-1999\u003C\u002Ftd>\n\u003Ctd>作业场所空气\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_20\">\n\u003Ctd class=\"_td_header_20\">气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_20\">《固体废弃物试验与分析评价手册》中国环境监测总站等译\u003C\u002Ftd>\n\u003Ctd>固体废弃物\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_21\">\n\u003Ctd class=\"_td_header_21\">色谱\u002F质谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_21\">美国EPA524.2方法\u003C\u002Ftd>\n\u003Ctd>水质\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Ch3>5.环境标准:\u003C\u002Fh3>\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr class=\"_tr_22\">\n\u003Ctd class=\"_td_header_22\">中国(TJ36-79)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_22\">车间空气中有害物质的最高容许浓度 \u003C\u002Ftd>\n\u003Ctd>100mg\u002Fm\u003Csup>3\u003C\u002Fsup>(二甲苯)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_23\">\n\u003Ctd class=\"_td_header_23\">中国(TJ36-79)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_23\">居住区大气中有害物质的最高容许浓度\u003C\u002Ftd>\n\u003Ctd>0.30mg\u002Fm\u003Csup>3\u003C\u002Fsup>(一次值、二甲苯)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_24\">\n\u003Ctd class=\"_td_header_24\">中国(GB16297-1996)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_24\">大气污染物综合排放标准(二甲苯)\u003C\u002Ftd>\n\u003Ctd>①最高允许排放浓度(mg\u002Fm\u003Csup>3\u003C\u002Fsup>)：\u003Cbr>70(表2)；90(表1)\u003Cbr>②最高允许排放速率(kg\u002Fh)：\u003Cbr>二级1.0～10(表2)；1.2～12(表1)\u003Cbr>三级1.5～15(表2)；1.8～18(表1)\u003Cbr>③无组织排放监控浓度限值： 1.2mg\u002Fm\u003Csup>3\u003C\u002Fsup>(表2)；1.5mg\u002Fm\u003Csup>3\u003C\u002Fsup>(表1)\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_25\">\n\u003Ctd class=\"_td_header_25\">中国(待颁布)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_25\">饮用水源中有害物质的最高容许浓度\u003C\u002Ftd>\n\u003Ctd>0.5mg\u002FL(二甲苯)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_26\">\n\u003Ctd class=\"_td_header_26\">中国(GHZB1-1999)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_26\">地表水环境质量标准(I、II、III类水域特定值)\u003C\u002Ftd>\n\u003Ctd>0.5mg\u002FL(二甲苯)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_27\">\n\u003Ctd class=\"_td_header_27\">中国(GB8978-1996)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_27\">污水综合排放标准\u003C\u002Ftd>\n\u003Ctd>一级：0.4mg\u002FL\u003Cbr\u002F>二级：0.6mg\u002FL\u003Cbr\u002F>三级：1.0mg\u002FL\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Ch3>6.应急处理处置方法:\u003C\u002Fh3>\n\u003Cbr\u002F> 一、泄漏应急处理 \n\u003Cbr\u002F> 迅速撤离泄漏污染区人员至安全区，并进行隔离，严格限制出入。切断火源。建议应急处理人员戴自给正压式呼吸器，穿消防防护服。尽可能切断泄漏源，防止进入下水道、排洪沟等限制性空间。小量泄漏：用活性炭或其它惰性材料吸收。也可以用不燃性分散剂制成的乳液刷洗，洗液稀释后放入废水系统。大量泄漏：构筑围堤或挖坑收容；用泡沫覆盖，抑制蒸发。用防爆泵转移至槽车或专用收集器内，回收或运至废物处理场所处置。迅速将被二甲苯污染的土壤收集起来，转移到安全地带。对污染地带沿地面加强通风，蒸发残液，排除蒸气。迅速筑坝，切断受污染水体的流动，并用围栏等限制水面二甲苯的扩散。 \n\u003Cbr\u002F> 二、防护措施 \n\u003Cbr\u002F> 呼吸系统防护：空气中浓度较高时，佩戴过滤式防毒面具(半面罩)。紧急事态抢救或撤离时，建议佩戴空气呼吸器。\n\u003Cbr\u002F>眼睛防护：戴化学安全防护眼镜。\n\u003Cbr\u002F>身体防护：穿防毒物渗透工作服。\n\u003Cbr\u002F>手防护：戴橡胶手套。\n\u003Cbr\u002F>其它：工作现场禁止吸烟、进食和饮水。工作毕，淋浴更衣。保持良好的卫生习惯。 \n\u003Cbr\u002F> 三、急救措施 \n\u003Cbr\u002F>皮肤接触：脱去被污染的衣着，用肥皂水和清水彻底冲洗皮肤。\n\u003Cbr\u002F>眼睛接触：提起眼睑，用流动清水或生理盐水冲洗。就医。\n\u003Cbr\u002F>吸入：迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难，给输氧。如呼吸停止，立即进行人工呼吸。就医。\n\u003Cbr\u002F>食入：饮足量水，催吐。就医。 \n\u003Cbr\u002F>灭火方法：喷水冷却容器，可能的话将容器从火场移至空旷处。灭火剂：泡沫、二氧化碳、干粉、砂土。\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\u003C\u002Ftd>",[94,100,104,110,116,122],{"slug":95,"cid":96,"name":97,"nameZh":98,"cas":99},"785876836004401152","J-14853-1","Lithium acetylacetonate","乙酰丙酮锂","18115-70-3",{"slug":101,"cid":102,"name":97,"nameZh":98,"cas":103},"785898548444008448","J-1314521-7","19185-99-0",{"slug":105,"cid":106,"name":107,"nameZh":108,"cas":109},"785883181285904384","J-7379-6","1,1-Dimethoxypropane","丙醛缩二甲醇","4744-10-9",{"slug":111,"cid":112,"name":113,"nameZh":114,"cas":115},"785895899992690688","J-1981464-3","1-Aminopropan-2-one hydrochloride","氨基丙酮盐酸盐","7737-17-9",{"slug":117,"cid":118,"name":119,"nameZh":120,"cas":121},"785881483586834432","J-1092250-9","β-Hydroxypyruvic acid lithium salt hydrate","β-羟基丙酮酸锂水合物","3369-79-7",{"slug":123,"cid":124,"name":125,"nameZh":126,"cas":127},"847790479121584128","J-1134083-0","2-(methylamino)ethanol,hydrochloride","2-甲胺乙醇盐酸盐","62640-03-3",1790120936109,"zh-CN",{"rows":131,"total":288,"current":5,"size":265},[132,152,165,181,195,206,217,230,242,255,267,278],{"slug":133,"cid":134,"imgSvg":135,"name":136,"nameZh":137,"cas":138,"formula":139,"iupac":136,"category":140,"categoryName":141,"categoryEnName":142,"industry":15,"tags":143,"offersCount":5,"supplierCount":5,"bestOffer":145},"843627791009189888","J-1971488-8","\u002Fimages\u002Fchem_structures_svg\u002F399\u002F65845-61-6.svg","N-Methylcyclohexanamine hydrochloride","N-甲基环己胺盐酸盐","65845-61-6","C7H16ClN","acids","有机酸","Organic Acids",[144],"In 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