日韩AV无码免费播放网址,一级在线免费黄片欧美,亚洲女优中文字幕,久久精品国产亚洲av麻豆网站,国产无人区卡一卡二卡三乱码,中国一

  • <th id="mcuwr"><option id="mcuwr"></option></th>
    <strike id="mcuwr"><video id="mcuwr"></video></strike>
    <center id="mcuwr"></center>

    <center id="mcuwr"></center>
    <big id="mcuwr"></big>
    <code id="mcuwr"><nobr id="mcuwr"><track id="mcuwr"></track></nobr></code>

      <del id="mcuwr"><small id="mcuwr"></small></del>

      <tr id="mcuwr"><sup id="mcuwr"></sup></tr>

    1. 股票代码:300637 EN
      4-甲砜基-α-溴代苯乙酮
      中文名称: 4-甲砜基-α-溴代苯乙酮
      中文别名: 2-溴-1-(4-甲磺酰基)苯乙酮
      英文名称: alpha-bromo-4-Methylsulfonylacetophenone
      英文别名: 4-Methylsulfonyl alpha-bromoacetophenone; 2-Bromo-1-[4-(methylsulfonyl)phenyl]-1-ethanone; 2-bromo-1-[4-(methylsulfonyl)phenyl]ethanone
      CAS号: 50413-24-6
      分子式: C9H9BrO3S
      分子量: 277.135
      InChI: InChI=1/C9H9BrO3S/c1-14(12,13)8-4-2-7(3-5-8)9(11)6-10/h2-5H,6H2,1H3
      分子结构:
      密度: 1.575g/cm3
      熔点: 126-128℃
      沸点: 428.4°C at 760 mmHg
      闪点: 212.9°C
      蒸汽压: 1.52E-07mmHg at 25°C


      危险性标志:  C:Corrosive;
      风险术语: R34:;
      安全术语: S26:;
      S36/37/39:;
      S45:;
    2. <th id="mcuwr"><option id="mcuwr"></option></th>
      <strike id="mcuwr"><video id="mcuwr"></video></strike>
      <center id="mcuwr"></center>

      <center id="mcuwr"></center>
      <big id="mcuwr"></big>
      <code id="mcuwr"><nobr id="mcuwr"><track id="mcuwr"></track></nobr></code>

        <del id="mcuwr"><small id="mcuwr"></small></del>

        <tr id="mcuwr"><sup id="mcuwr"></sup></tr>
      1. 日韩AV无码免费播放网址,一级在线免费黄片欧美,亚洲女优中文字幕,久久精品国产亚洲av麻豆网站,国产无人区卡一卡二卡三乱码,中国一

        品牌简介

        {转码主词}