欧美日韩国产综合第一区,女女同性女同区二区国产,欧美婬荡的护士hd中文字幕,亚洲成E人在线免费观看

<option id="nmwkf"></option>
    <s id="nmwkf"></s>

      <output id="nmwkf"></output>
        1.  | EN

          PRODUCTS

          PRODUCTS

          http://brandabledomainnames.org

          Oil soluble red 2R

          (C.I. Solvent red 111)

          Molecular formula: C15H11NO
          Molecular weight: 237.25
          CAS number : 82-38-2
          Structural formula:


          Appearance: Dark red powder
          Shade: Approximate
          Tinting strength: ±5%
          Weight loss (105°C): ≤1.5%
          Water solubles: ≤1.5%