日韩在线网址丨亚洲国产网丨日韩一区二区三区在线免费观看丨91麻豆免费视频丨欧美最猛黑人xxxx黑人猛交98丨动漫美女露胸网站丨在线中文字幕亚洲日韩2020丨2022天天躁狠狠燥丨精品久久久久久久久久软件丨永久免费精品成人网站丨久久久久亚洲精品成人网小说丨国产在线看片丨黄色录像a丨欧美巨大巨粗黑人性aaaaaa丨邪恶肉肉全彩色无遮盖丨天天摸天天做天天爽天天弄丨国产天堂在线丨欧美三级午夜理伦三级丨99精品视频在线播放免费丨涩视频在线观看

 
Location:Home >>Product >>Intermediate

?1,8-diazabicyclo [5.4.0]undec-7-ene(DBU)

Update time:2023/06/12 08:57:06  ???View:  

1,8-diazabicyclo [5.4.0]undec-7-ene(DBU)
CAS 6674-22-2
Transparent colorless to light yellow oily liquid.
Catalysts used in the production of poly (Aminomethanol ethyl ester) and other chemicals, such as ammonia and dichloroethane, react in its presence to produce piperazine, which is an excellent dehydrating agent, epoxy resin hardener, rust inhibitor, and can also be used to prepare advanced corrosion inhibitor.
At present, it is widely used in the production of Semisynthesis cephalosporin antibiotics. It is also used for organic synthesis reaction and Semisynthesis antibiotics.

------分隔線----------------------------

Service Hotline:

You only need a phone call, we will serve you attentively

Consult now
Copyright © Shandong Zhengji Chemical Co., Ltd.  All Rights Reserved   Case Number :魯ICP備20007847號-4 chemBlink Premium Supplier