欧美性理论片在线观看片免费_日本人AA片免费观看_国产日本欧美亚洲精品视_欧美娇小18videos

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

Collection ｜Homepage ｜中文版

More>>
Zinc chloride
Product name: Zinc chloride
CAS NO: 7646-85-7
Molecular weight: 136.315 
EC NO: 231-592-0
Molecular formula: ZnCl2
InChI: InChI=1/2ClH.Zn/h2*1H;/q;;+2/p-2
Structural formula:
  Order                   Back