1. <bdo id="qmit9"></bdo>
      1. <bdo id="qmit9"></bdo>
          <option id="qmit9"><source id="qmit9"></source></option>
          <nobr id="qmit9"></nobr>
          <bdo id="qmit9"><address id="qmit9"><big id="qmit9"></big></address></bdo>

          1. Jiangsu Xingsheng Chemical Co., Ltd.

            江蘇興盛化工

            Research, Production, Sales, Service

            Comprehensive Chemical Companies

            Jiangsu Xingsheng Chemical Co., Ltd.

            Products

            Sales hotline:+86-13901482293 , +86-13862793632 , +86-513-84541589

            2-Naphthol-3,6-Disodium Disulfonate

            Alias R Salt, R Acid
            Molecular Formula C10H6O7S2Na2
            M.W. 348
            Structure
            Uses To produce edible pigment and acid-dyes, as well as light-sensitive copying paper after reacting with diazo salt.
            Specifications
            Packing 25kgs net plastic woven bags lined with plastic bags.

            Go
            Top

            欧美色欧美亚洲另类一区二区三区,级毛片高清免费视频a,人妻系列无码专区免费视频,午夜—级黄色网站