国内精品无码视频免费|久久九九国产无码高清|日韩免费码中文在线观看|在线亚洲午夜理论AV大片|a级毛片免费高清毛片视频|亚洲男人的天堂网在线观看|美女脱光光av免费一线网站|AV鲁丝一区鲁丝二区鲁丝三区

  1. <td id="hluua"><ins id="hluua"></ins></td>
  2. <td id="hluua"><tr id="hluua"></tr></td>
    <small id="hluua"><dl id="hluua"><small id="hluua"></small></dl></small>
      <rp id="hluua"><dl id="hluua"></dl></rp>

      1. ?

        DSD ACID

        Commodity Name: DSD Acid

        Chemical Name: 4,4′- Diaminostilbene-2,2′- disulfonic acid

         
        • 81-11-8

          CAS No.

        • Molecular Formula

        • 370.4

          Molecular Weight

         
        Structure Formula:
         

        Specification:

        Items I+quality
        Paste Powder
        Appearance Light yellow Light yellow
        Contents of Amino % ≥60.0 ≥95.0
        Benzyl value % ≤0.5 ≤0.3
        Insoluble in Alkali % ≤0.1 ≤0.1
        Moisture % - ≤2.0

        Usage: Used in manufacture of fluorescent whitening agent, direct chrysophenineG, direct yellow R and used as
        insecticide.

        Packing: For powder: 25kg net poly-woven bags or  as customers’requirments.
        For paste: 40kg net poly-woven bags or as customers’requirments.


        ?
        新建县| 兰考县| 宜丰县| 枣阳市| 边坝县| 温泉县| 修水县| 桃园市| 宾阳县| 闽清县| 从江县| 通江县| 从化市| 胶南市| 永登县| 临朐县| 尚义县| 滕州市| 临沂市| 深水埗区| 义马市| 普宁市| 阿拉尔市| 天镇县| 深水埗区| 志丹县| 察哈| 赤水市| 翁源县| 东海县| 梅河口市| 康乐县| 吉隆县| 三门峡市| 普陀区| 胶南市| 东莞市| 长兴县| 轮台县| 京山县| 南乐县|