<samp id="qml41"><tbody id="qml41"></tbody></samp>
<p id="qml41"><font id="qml41"></font></p>

<p id="qml41"><ol id="qml41"></ol></p>
    <output id="qml41"><tbody id="qml41"><kbd id="qml41"></kbd></tbody></output>
      <output id="qml41"><tbody id="qml41"></tbody></output>
      1. <p id="qml41"></p>
        <meter id="qml41"><tbody id="qml41"></tbody></meter>
          <output id="qml41"><tbody id="qml41"></tbody></output>

            <i id="qml41"><center id="qml41"><kbd id="qml41"></kbd></center></i>
            <output id="qml41"><em id="qml41"><blockquote id="qml41"></blockquote></em></output>
            會員登陸 賬號: 密碼:

            announcement

            Products

            N,N-Dimethylaniline

            English name:N,N-Dimethylaniline
            Molecular formula: C8H11N, C6H5N(CH3)2
            Molecular weight: 121.18
            ① Properties: Colorless to light yellow oily liquid with pungent odor; relative density: (20℃/4℃)0.9555; freezing point: 2.0℃; boiling point: 193℃; flashing point: 77℃; ignition point: 317℃; viscosity: (25℃)1.528mPa?s; refractive index: n20D 1.5584; soluble in ethyl alcohol, diethyl ether, chloroform and benzene; lightly soluble in water;
            ② Main uses: Used as dyes intermediate; for preparation of vanillin, azo dyes; as solvent, stabilizer, analytical agent
            ③ Product quality:

            Item Index
            superior top grade qualified
            appearance light yellow to yellow oily liquid
            N,N-Dimethylaniline content %≥ 99.35 99.20 99.00
            aniline content %≤ 0.008 0.0075 0.010
            Monomethylaniline content %≤ 0.20 0.45 0.60
            moisture content %≤ 0.005 0.005 0.01
             
             
             
             
             
            香蕉视频在线观看,最近更新中文字幕第1页,国产欧美日韩精品专区,国产欧美在线观看不卡