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暂无资料\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>1,1-二氟乙烷生态学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1.生态毒性 暂无资料\u003C\u002Fp>\n\u003Cp>2.生物降解性 暂无资料\u003C\u002Fp>\n\u003Cp>3.非生物降解性空气中，当羟基自由基浓度为5.00×10\u003Csup>5\u003C\u002Fsup>个\u002Fcm\u003Csup>3\u003C\u002Fsup>时，降解半衰期为472d（理论）。\u003C\u002Fp>\n\u003Cp>4.其他有害作用 室温气体，其造成温室效应的能力是二氧化碳的几百倍，可能造成全球气候变暖。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F75-37-6_1151414.html#duXinDiv\">1,1-二氟乙烷毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>由电石与水在乙炔发生器中反应生成乙炔，经水洗，次氯酸钠吸收脱除杂质。净化后的乙炔经充分干燥，进入氟化反应器。在磺酰氟存在下，乙炔与氟化氢反应生成粗二氟乙烷。粗二氟乙烷经压缩、分馏，得成品。该品也可由1,1-二氯乙烷与氟化氢反应而得。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 21028 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 75-37-6 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 1,1-二氟乙烷 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 1，1-difluoroethane \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 氟里昂-152 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子式: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> C\u003Csub>2\u003C\u002Fsub>H\u003Csub>4\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>；CH\u003Csub>3\u003C\u002Fsub>CHF\u003Csub>2\u003C\u002Fsub> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 66.05 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> -117℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 相对密度(水=1)1.00； \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 不溶于水 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 稳定性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 稳定 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 外观与性状: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 无色无臭气 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 危险标记: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 4(易燃气体) \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 用 途: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 用作致冷剂、气溶胶喷射剂及有机合成中间体 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr \u002F>\n\u003Cp>2.对环境的影响: 一、健康危害 侵入途径：吸入。 健康危害：有窒息作用。过量接触引起眩晕、定向障碍、易激动、中枢神经系统抑制等。 二、毒理学资料及环境行为 毒性：属低毒类。 急性毒性：LC50977000mg\u002Fm3，2小时(小鼠吸入) 亚急性和慢性毒性：大鼠吸入10%，16小时\u002F天，2天，肺有轻度炎症，细胞浸润。 危险特性：与空气混合能形成爆炸性混合物。遇热源和明火有燃烧爆炸的危险。受热分解放出有毒的氟化物气体。与氧化剂接触会猛烈反应。 燃烧(分解)产物：一氧化碳、二氧化碳、氟化氢。 3.现场应急监测方法: 仪器法 4.实验室监测方法: 气相色谱法，参照《分析化学手册》(第四分册，色谱分析)，化学工业出版社 5.环境标准: 前苏联 车间空气中有害物质的最高容许浓度 3000mg\u002Fm3 6.应急处理处置方法: 一、泄漏应急处理 迅速撤离泄漏污染区人员至上风处，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。用工业覆盖层或吸附\u002F吸收剂盖住泄漏点附近的下水道等地方，防止气体进入。合理通风，加速扩散。喷雾状水稀释、溶解。构筑围堤或挖坑收容产生的大量废水。如有可能，将漏出气用排风机送至空旷地方或装设适当喷头烧掉。也可以用管路导至炉中、凹地焚之。漏气容器要妥善处理，修复、检验后再用。 二、防护措施 呼吸系统防护：一般不需要特殊防护，高浓度接触时可一般不需要特殊防护，但建议特殊情况下，佩带自吸过滤式防毒面具(半面罩)。 眼睛防护：必要时，戴化学安全防护眼镜。 身体防护：穿防静电工作服。 手防护：戴一般作业防护手套。 其它：工作现场严禁吸烟。进入罐、限制性空间或其它高浓度区作业，须有人监护。 三、急救措施 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。 灭火方法：切断气源。若不能立即切断气源，则不允许熄灭正在燃烧的气体。喷水冷却容器，可能的话将容器从火场移至空旷处。灭火剂：雾状水、泡沫、二氧化碳、干粉。\u003C\u002Fp>\n\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[405,411,417,423,429,435,441,447,453,459,465,471],{"slug":406,"cid":407,"name":408,"nameZh":409,"cas":410},"785896576466817024","J-44491-7","Polyvinyl chloride","聚氯乙烯","9002-86-2",{"slug":412,"cid":413,"name":414,"nameZh":415,"cas":416},"785889783778906112","J-28696-4","Polyvinylidene 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