<address id="vrnzd"><address id="vrnzd"></address></address><address id="vrnzd"></address>
<address id="vrnzd"></address>

    
    
        <span id="vrnzd"><th id="vrnzd"></th></span>
          <address id="vrnzd"><listing id="vrnzd"><meter id="vrnzd"></meter></listing></address><address id="vrnzd"><address id="vrnzd"><menuitem id="vrnzd"></menuitem></address></address>

          亚洲国产图片,中文字幕无线码在线视频,99香蕉视频,China国产av
          <address id="vrnzd"><address id="vrnzd"></address></address><address id="vrnzd"></address>
          <address id="vrnzd"></address>

            
            
                <span id="vrnzd"><th id="vrnzd"></th></span>
                  <address id="vrnzd"><listing id="vrnzd"><meter id="vrnzd"></meter></listing></address><address id="vrnzd"><address id="vrnzd"><menuitem id="vrnzd"></menuitem></address></address>

                   
                  Today is:

                  Products

                  2-Butyne-1,4-diol


                  Trade name: 1,4-butynediol 1,4-butynediol
                  Molecular formula: C4H6O2
                  Structural formula: OHH2C-C ≡ C-CH2OH
                  Physical and chemical properties: industrial butyne diol appearance was amber or brown, pure solid as colorless crystals or slightly yellow crystals. A melting point of 58 ℃, a boiling point of 238 , a flash point of 152 and a natural point of 248 ℃.

                  Industrial Butylene Glycol:

                  project
                  index
                  Qualified product
                  Butyne diol content%
                  4 5.00~ 80.00
                  Formaldehyde content% ≤
                  0.5
                  PH value ≥
                  7
                  Propynol content% ≤
                  0.25

                  Application: It can be used in the manufacture of a series of important organic chemical products such as 1,4-butenediol, 1,4-butanediol, n-butanol, tetrahydrofuran, Y-butyrolactone and pyrrolidone and can be used in the production of synthetic fiber , Artificial leather, medicine, pesticides, solvents and preservatives. Butylene glycol itself is a good solvent, you can also do in the electroplating industry brightener.

                  Packing: iron drum, 200kg / barrel.

                  Note: try to avoid contact with the human body.

                   

                  Last page:1,4-Butenediol (Crude) Next page: Propargyl alcohol