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        高清无码喷水抽搐视频_av中文字幕综合网_97超级碰国产一区二区_色欲国产一区二区日韩欧美
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         Dimethyl sulfate
        +
         Nitromethane
        +
         Sodium sulfate
        +
         Sulfuric acid
        +
         Dimethyl ether
         
         
        Dimethyl sulfate

        Our Dimethyl sulfate (DMS) are made by new sulfur method.

        Molecular formula:(CH3)2SO4
        Molecular weight:126.1

        1, Properties
        colorless transparent oily liquid, Boiling point 188oC(decompose),Freeze point:-27oC, Specific gravity in 20oC:1.3322, slight soluble in water, Solubility in 18oC 2.8g/100ml.

        2, Quality standard

        Name Value
        Appearance colorless transparent oily liquid
        Assay(%) ≥99
        Acidity(%) ≤0.5
        Boiling range: percent recovered in 182-192oC的 %(V) ≥90
         
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