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

Collection ｜Homepage ｜中文版

More>>
Flaky Sodium hydroxide
Product name: Sodium hydroxide
CAS NO: 1310-73-2;8012-01-9
Molecular weight: 41.0045 
EC NO: 215-185-5
Molecular formula: NaOH
InChI: InChI=1/Na.H2O/h;1H2/q+1;/p-1/rHNaO/c1-2/h2H
Structural formula:
  Order                   Back
 
 
 
 
 
国产色a在线观看，中文字幕人妻系列九九视频，日本成熟妇女性爱视频，国产精品系列在线