• <tbody id="9889h"><track id="9889h"></track></tbody>
    <button id="9889h"></button>
    1. <progress id="9889h"></progress>
      <button id="9889h"><object id="9889h"></object></button>
        1. product

          4-Hydroxybenzaldehyde



          English names:4-Hydroxybenzaldehyde
          CAS:123-08-0

          Product name

          4-Hydroxybenzaldehyde

          Packing

          25kg woven bag or 40kg fiber drum

          Risk category   UN Number Packing Grup

           

           

          CAS NO. 123-08-0
          Molecular formula C7H6O2
          REACH
          Registration
          --
          HS CODE 2912299000

           

           

           

           

          Test item Unit Index
          Appearance -- Light yellow crystalline powder

          White crystalline powder

          Assay % min 99 99.5
          Melting point ℃ min 114.5-117 115-117
          Moisture % max 0.5 0.3
          Heavy metal ppm max 10 10
          Chloride ppm max 100 100

           

           


           



          < return >

          在线无码视频观看草草视频
        2. <tbody id="9889h"><track id="9889h"></track></tbody>
          <button id="9889h"></button>
          1. <progress id="9889h"></progress>
            <button id="9889h"><object id="9889h"></object></button>