亚洲国产精品久久久久久小说,欧美黑人巨大精品一区二区,日本免费中文字幕喷水,日本人妖中文字幕片

      <p id="csc7t"><ins id="csc7t"><optgroup id="csc7t"></optgroup></ins></p><i id="csc7t"><ins id="csc7t"></ins></i>
      <noscript id="csc7t"><dl id="csc7t"></dl></noscript>

        <i id="csc7t"><ins id="csc7t"></ins></i>
        1. <source id="csc7t"><ins id="csc7t"></ins></source>
          <td id="csc7t"><tr id="csc7t"></tr></td>
          <source id="csc7t"></source>
            <i id="csc7t"><ins id="csc7t"></ins></i>
          1. <source id="csc7t"></source>

            PRODUCTS

            guoshun chemical

            PRODUCTS

            Dichloromethane

            Product name Dichloromethane
            English alias R 30
            narkotil
            solaesthin
            solmethine
            CAS 75-09-2
            EINECS 200-838-9
            Chemical formula CH2Cl2
            Molecular weight 84.93
            InChI InChI=1/CH2Cl2/c2-1-3/h1H2
            Density 1.325
            Melting point -97℃
            Boiling point 39-40℃
            Physical and chemical properties Appearance and properties: colorless transparent liquid with aromatic smell.
            Melting point (℃): - 96.7
            Boiling point (℃): 39.8
            Relative density (water=1): 1.33
            Relative vapor density (air=1): 2.93
            Saturated vapor pressure (kPa): 30.55 (10 ℃)
            Combustion heat (kJ/mol): 604.9
            Critical temperature (℃): 237
            Critical pressure (MPa): 6.08
            Logarithmic value of octanol/water partition coefficient: 1.25
            Ignition temperature (℃): 615
            Upper explosive limit% (V/V): 19
            Lower explosive limit% (V/V): 12
            Solubility: slightly soluble in water, soluble in ethanol and ether.
            Use Used as solvent in resin and plastic industry. It is widely used in medicine, plastics, film and other industries.

            HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   CONTACT  |   中文版

            Copyright(C)2022, Changzhou Guoshun Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備17001950號