久久99国产精品尤物,欧美视频区,色狠狠av,欲色天天网综合久久,日韩精品无码一区二区三区,日本高清视频www夜色资源网,亚洲AⅤ成人电影,国产精品极品美女免费观看

       

      Tetraethylammonium bromide

      Update time:2021/11/05 13:47:11  ???View:  
      Tetraethylammonium bromide is an organic substance with the chemical formula (C2H5)4NBr, white crystals. Easy to absorb moisture. Easily soluble in water, ethanol, chloroform and acetone, slightly soluble in benzene, solubility in water: 2795 g/L (25°C). It is irritating.
      Used as a reagent for polarographic analysis reagents and pesticide intermediates
      Chinese name: 四乙基溴化銨
      Foreign name Tetraethylammonium bromide
      Don't  Name: Tetraethylammonium bromide, tetraethylammonium bromide
      Chemical formula (C2H5)4NBr  Molecular weight 210.155  CAS accession number 71-91-0
      Melting point: 285 ℃, water soluble and easy to dissolve, density 1.397 g/cm3. Appearance: white crystal
      Character description

      White crystals. Easy to absorb moisture. Easily soluble in water, ethanol, chloroform and acetone, slightly soluble in benzene, water solubility: 2795 g/L (25°C). The pH of the 10% aqueous solution is 6.5, and the pH does not change when heated to 95°C for 28 hours. It is irritating.
      Purpose
      For ion pair chromatography. Test gold, iridium, osmium, palladium, rhodium and ruthenium. Polarographic analysis. Used as a phase transfer catalyst in organic synthesis.
      Storage and transportation are easy to absorb moisture, sealed and kept dry.
      ------分隔線----------------------------

      Service Hotline:

      You only need a phone call, we will serve you attentively

      Consult now
      Copyright © Shandong Zhengji Chemical Co., Ltd.  All Rights Reserved   Case Number :魯ICP備20007847號-4 chemBlink Premium Supplier