问题：溴氯海因咨询
类型：求助 (悬赏分:3分)
提问：xjpple
等级：▲
版块：农药交流(sunyubo,)
信誉：25%
回复：5
阅读：693
时间：2007-08-25 16:38:59 编辑加入/取消收藏订制/取消短消息举报该贴

有谁知道溴氯海因是怎么合成的呀?目前多少钱一吨?

回复人：afc,★★ (氟化学产品) 时间：2007-08-25 17:15:48 编辑	1楼
二甲基海因,溴化钠,氯气反应而得.

回复人：xjpple,▲ () 时间：2007-08-26 10:23:26 编辑	2楼
谢谢指导.二甲基海因就是二甲基乙内酰脲.工艺能不能再说详细一点?拜托了.具体过程能不能告诉一下.通氯气会不会生成二氯海因?

回复人：afc,★★ (氟化学产品) 时间：2007-08-26 10:48:51 编辑

3楼

Bromochlorodimethylhydantoin

Water (7500 lbs.) and then dimethylhydantoin (1700 lbs.) were charged to a 2000 gallon reactor. Bromine (1061 lbs.) and sodium hydroxide (1,327 lbs. of 20% aqueous solution) were added at such a rate that 25.degree. C. temperature was not exceeded. The pH was controlled at 6.8 to 7.0. After the bromine addition was completed, chlorine (1413 lbs.) and sodium hydroxide (3,986 lb. of 20% aqueous solution) was added at such a rate to again control the pH at 6.8 to 7.0 and the temperature at 25.degree. C. The resultant slurry of solids containing bromochlorodimethylhydantoin was filtered, washed with water, and extruded or shaped in tablet, then dried.

Bromochlorodimethylhydantoin - Preferred Method

In accordance with the preferred method of preparing of bromochlorodimethylhydantoin, water (7500 lbs.) and then dimethylhydantoin (1700 lbs.) were charged to a 2000 gallon reactor. Bromine (1061 lbs.) and an aqueous slurry of 246 lbs. of calcium hydroxide were added at such a rate that 25.degree. C. temperature was not exceeded. The pH was controlled at 6.8 to 7.0. After the bromine addition was completed, chlorine (1413 lbs.) and calcium hydroxide (aqueous slurry, 738 lbs.) were added at a rate to again control the pH at 6.8 to 7.0 and temperature at 25.degree. C. The resultant slurry of solids was filtered but not washed. By-product calcium chloride was thus retained by the solid product. The product thus produced was then densified into the desired tablet shapes and dried to the desired proportion of water and calcium chloride.

回复人：xjpple,▲ () 时间：2007-08-27 09:41:10 编辑	4楼
合成材料有二甲基海因,溴,氯气,氢氧化钠.不知道上面的资料来源何处?

回复人：afc,★★ (氟化学产品) 时间：2007-08-27 09:47:37 编辑	5楼
有用吗?US!

问题讨论没有结束...

您尚未进入本论坛,登录之后才可以回贴

5msec