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          1,4-butynediol

          1, Appearance: brown or amber transparent liquid.
          2, Technical index: In accordance with the requirement of Form 1 .

          Item

           

          Index
          Top grade
          First grade
          Qualified product

          2-Butyne-1,4-diol,    %  

          45.00-80.00

          Formaldehyde, %     ≤

          0.25
          0.35
          0.45

          PH Value

          6.09

          Propiolic alcohol, %   ≤

          0.2
          0.3
          0.4

          3, Sign: The vessel should be pasted with clear signs, including product name, manufacturer, address, trademark, net wt, standard No, toxic sign and inflammable sign defined by GB 190 13(6.1 type)and 7(3 type)
          4, Packing: kept in dry and clean metal pail, net wt 100kg, minus deviation isn't more than 1%, the mean deviation per batch should not be less than zero.

          5, Transportation: Load gently, avoid knock, insolation and rain.
          6, Storage: industrial 2-Butyne-1,4-diol should be kept in low temp., ventilating, dry and dark place.

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