<meter id="k4z7z"></meter>
  1. <noscript id="k4z7z"><dl id="k4z7z"><rt id="k4z7z"></rt></dl></noscript>
    
    

  2. <meter id="k4z7z"></meter>

  3. <noscript id="k4z7z"><option id="k4z7z"></option></noscript>
    <noscript id="k4z7z"><source id="k4z7z"><strike id="k4z7z"></strike></source></noscript>
        <meter id="k4z7z"></meter>
      1. <noscript id="k4z7z"><dl id="k4z7z"><rt id="k4z7z"></rt></dl></noscript>
        
        

      2. <meter id="k4z7z"></meter>

      3. <noscript id="k4z7z"><option id="k4z7z"></option></noscript>
        <noscript id="k4z7z"><source id="k4z7z"><strike id="k4z7z"></strike></source></noscript>
          久久精品中文,久久久久亚洲AV,国产精品美女久久久AV,国产精品亚洲AV毛片一区二区
           
          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