在线播放五十路熟妇_4humm44四虎_美女被强遭高潮免费观看_国外AV网址在线观看

Methenamine
 
  SH No.: Methenamine
  Name:Methenamine
  CAS No.:100-97-0
  format:Analytical pure, chemical pure, pharmaceutical grade
  Molecular formula:(CH2)6N4
  Character: White hygroscopic crystalline powder or colorless, glossy diamond crystal, flammable. Melting point 263℃.
 
  [Use]Used for analytical reagent, such as preparation of buffer solution, screening agent, it can also be used for vulcanization accelerator.
[Packing]Woven bag lined with plastic bag, 25Kg/