色欲久久久天天天综合网|丝袜亚洲中文字幕一区| 99国产精品久久久久精品三级| 久久精品国产亚洲精品2020|

  • <dd id="miqca"><strong id="miqca"></strong></dd>
    <menu id="miqca"></menu>
  • <menu id="miqca"></menu>
  • <nav id="miqca"></nav>
  • Post Code: 411400
    Url: www.observbsc.com
    Sales Manager:Pan Xiaoling 013507333157 (Cellphone)
    Tel:+86-731-56295938 56295899
    Fax:+86-731-56295938
    E-mail:sales@chinacvl.com
     

    4-(N,N-Dimethylamino)benzaldehyde

    4-(N,N-Dimethylamino)benzaldehyde

    Molecular formula: C9H11NO

    Molecular weight: 149.19

     
     

    Specification:

     

    Appearance Light yellow crystalline powder
    Purity (%) ≥99
    Methanol insoluble substances (%) ≤0.1
    mp (°C) ≥73
    Volatile substances (%) ≤0.2

    Use: dye intermediate.

    Packaging: plastic lined woven bag, net weight 25Kg.


     

  • <dd id="miqca"><strong id="miqca"></strong></dd>
    <menu id="miqca"></menu>
  • <menu id="miqca"></menu>
  • <nav id="miqca"></nav>