亚洲精品夜夜黄无码99_亚洲一区二区无码_18禁黄色网站亚洲_中文无码视频播放

Sodium sulfite
 
  SH No.: Sodium sulfite
  Name:Sodium sulfite
  CAS No.:7757-83-7
  format:Analytical pure, chemical pure, pharmaceutical grade
  Molecular formula:Na2SO3
  Character: Colorless monoclinic crystal or powder, irritating to skin, eyes and mucosa.
 
  [Use]Used for the production of sodium thiosulfate, organic chemicals, etc. in industry. It can also be used for reducing agent, preservative and antichlor, etc.
[Packing]Woven bag lined wit