1. <wbr id="g2wtz"><table id="g2wtz"></table></wbr>

    2. <small id="g2wtz"><pre id="g2wtz"></pre></small>
    3. <u id="g2wtz"></u>

    4. Product

       Product name: Tetrabutylammonium bromide  
      Type: Tetrabutylammonium bromide
      Product introduction:

       
      Properties: pure product is white crystal or powder, deliquescence, has a special smell, stable at room temperature, dissolved in Water, alcohol and acetone under pressure , Water solubility 600 g / L (20 ° C)...
        Uses: ion pair reagents for the synthesis of Bacampicillin t, sultamicillin etc; also an effective phase transfer catalysts in organic synthesis of raw materials commonly used ratio is 0.003 times (molar ratio).
      Toxicity: The acute oral LD50 (mouse):. 590mg / kg inhalation, ingestion and dermal exposure to toxic to the skin, eyes and respiratory system irritation.
       

        Uses: ion pair reagents for  Bacampicillin t, such as synthesis; also an effective commonly used in organic synthesis raw material ratio is 0.003 times (molar ratio) T

      oxicity: The acute oral LD50 (mouse): 590mg /. kg. inhalation, ingestion and skin exposure to toxic to the skin, eyes and respiratory system irritation.

      亚洲午夜内射Av_无码人妻一区二区三区免费费_久久亚洲精品无码AV大片_国产最爽的av片在线观看