亚洲午夜福利,国产三级免费黄色电影,国产精品一级,中文字幕av免费观看

  • <i id="qr3ql"><sub id="qr3ql"></sub></i>
    <b id="qr3ql"><track id="qr3ql"></track></b>

    1. <b id="qr3ql"></b>

      <b id="qr3ql"><wbr id="qr3ql"><input id="qr3ql"></input></wbr></b>
      <u id="qr3ql"><wbr id="qr3ql"><ins id="qr3ql"></ins></wbr></u>

    2. PRODUCTS

      Products
      Position:Home > Products
      Chloromethane

      CAS Number: 74-87-3
      Molecular formula: CH3Cl
      Molecular weight: 50.49
      Properties: colorless gas, can be compressed into colorless liquid with ether odor and sweet taste. Has anesthetic effect. Flammable. Melting point -97.7°C. The boiling point is -23.7°C. The flash point is less than 0°C. The relative density is 1.74. Slightly soluble in water, soluble in ethanol, benzene, carbon tetrachloride, miscible with chloroform, ether and glacial acetic acid, corrosive to aluminum, magnesium, and zinc.
      Uses: used in organic silicon, refrigerants, refrigerants, fragrances, methyl cellulose, synthetic pesticides, rubber, etc.
      Packaging: Tank truck or steel bottle packaging, the filling factor is 0.81kg/L.
      Executive standard: industry standard HG/T 3674-2018

      Item Index
      Superior product First grade Qualified product
      Monochloromethane,ω/% ≥99.90 ≥99.80 ≥99.50
      Chloroethane,ω/% By the supplier and the demander
      Moisture,ω/% ≤0.0050 ≤0.0100 ≤0.0150
      Acidity (calculated as HCl),ω/% ≤0.0010 ≤0.0020 ≤0.0025
      Evaporation residue,ω/% ≤0.0020 ≤0.0020 ≤0.0050
      Contact us
      Add: No. 397, Tonghe Road, Kecheng District, Quzhou City, Zhejiang, China
      Tel: +86-18805701223
      Fax: +86-570-8760677
      E-mail: 284392050@qq.com
      URL: yameihua.cn
      Copyright(C)2021, Quzhou Xuanyi Chemical Co., Ltd. All Rights Reserved. Supported by  ChemNet ChinaChemNet Toocle