国产精品人妇原创在线播放_国产内射一级一片内射精品视频_中文字幕亚洲制服在线看_国产真实偷人视频A-国产亚洲精品天堂-久久国产麻豆黄片-久久天堂国产精品-91欧美

Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

Collection ｜Homepage ｜中文版

More>>
Triethanolamine
Product name: Triethanolamine
CAS NO: 102-71-6
Molecular weight: 149.1882 
EC NO: 203-049-8
Molecular formula: C6H15NO3
InChI: InChI=1/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2
Structural formula:
  Order                   Back