<b id="qv6n4"></b>

<u id="qv6n4"><address id="qv6n4"><meter id="qv6n4"></meter></address></u>

<u id="qv6n4"></u>
<b id="qv6n4"></b>

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

CollectionHomepage中文版

More>>
Glacial acetic acid
Product name: Acetic acid
CAS NO: 64-19-7
Molecular weight: 60.05 
EC NO: 200-580-7
Molecular formula: C2H4O2
InChI: InChI=1/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
Structural formula:
  Order                   Back
 
 
 
 
 
色婷婷五月在线精品视频_超色黄片区二区久久_真正的欧美精品一级片_A级成年毛片免费视频