1. <video id="chn5a"><input id="chn5a"></input></video>

  2. <s id="chn5a"><nav id="chn5a"></nav></s>

    1. <bdo id="chn5a"><pre id="chn5a"><samp id="chn5a"></samp></pre></bdo>
    2. Weinan Huifeng New Material Technology Co., Ltd.

      1-Hydroxybenzotriazole

      1-Hydroxybenzotriazole

      Chemical name: 1-Hydroxybenzotrizole
      CAS NO.: 2592-95-2
      Molecular formula: C6H5N3O
      Molecular weight: 135.13
      Structural formula:
      Properties: almost white crystal, purity 99%

      Packaging: 25㎏ fiber can lined with double layer plastic bag

      To use: polypeptide condensating agent


      【Return】
      中文字幕在线观看婷婷,亚洲午夜精品A品久久,婷婷色中文字幕一二三,97一区二区三区四区久久
      1. <video id="chn5a"><input id="chn5a"></input></video>

      2. <s id="chn5a"><nav id="chn5a"></nav></s>

        1. <bdo id="chn5a"><pre id="chn5a"><samp id="chn5a"></samp></pre></bdo>