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        亚洲А∨天堂2019在线无码_99精品国产高清一区二区_亚洲国产综合91精品_国产精品亚洲第一区在线
         
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        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.

         

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