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1)  2,4-dichlorobenzoic acid
2,4-二氯苯甲酸
1.
Synthesis for 2,4-dichlorobenzoic acid;
2,4-二氯苯甲酸的合成研究
2)  (2,4-dichlorophenyl)-2,4-dichlorobenzoate
(2,4-二氯苯基)-2,4-二氯苯甲酸酯
3)  2,4-dichlorotoluene
2,4-二氯甲苯
1.
New process of 2,4-dichlorotoluene and analysis on benefit of economic and environment protection;
2,4-二氯甲苯新生产工艺及经济环保效益分析
2.
Some measures were adopted in the synthesis of 2,4-dichlorotoluene, such as slowing the stirring rotation rate of the reactor, improvement of chlorine addition to improve the reaction conditions yield of chlorination reaction, chlorine utilization and selectivity of 2,4-dichlorotoluene significantly.
采用降低反应釜搅拌转速、改进通氯方式、降低反应温度等方法,改善了2,4-二氯甲苯合成的反应条件。
3.
To solve the problem existed in the synthesis process of 2,4-dichlorotoluene, improvement on this process had been made and the optimal process conditions were established in which the reaction temperature (40 ℃) and speed of agitation (30 r/min) were determined and several tubes used to feed chlorine.
针对目前国内2,4-二氯甲苯生产合成工艺中存在的问题,改进了合成工艺,最佳工艺条件为反应温度40℃,转速30r min以及多管道通氯,使氯化收率提高至75%,氯气利用率提高至90%。
4)  2,4-Dichloro-5-fluorobenzoic acid
2,4-二氯-5-氟苯甲酸
5)  2,4-dichloro-5-sulphamoylbenzoic acid
2,4-二氯-5-硫酰胺苯甲酸
6)  2,4-Dichlorobenzoic acid chloride
2,4-二氯苯甲酰氯
补充资料:2,4-二氯苯甲酸
   分子式  C7H6Cl2O2
   CAS号  50-84-0
  性质  白色至淡黄色针状结晶或粉末。溶于乙醇、乙醚、苯、丙酮、氯仿、5%烧碱溶液,不溶于水及庚烷。熔点160℃,易升华,无沸点。
  用途  用于医药工业
  毒性   有毒,其毒性比苯甲酸的毒性强。小鼠皮下注射LD50为1200mg/kg。参见“苯甲酸”。 
  包装储运  本品一般多作为中间体用,不作商品出售,贮于阴凉通风干燥处。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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