Dipotassium hydrogen nitrilotriacetate | 2399-86-2

• 物质功能分类: 有机原料 - 羧酸类化合物及衍生物
• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: Dipotassium hydrogen nitrilotriacetate
• 英文别名: dipotassium;2-[carboxylatomethyl(carboxymethyl)amino]acetate
• CAS: 2399-86-2
• 化学式: C6H7K2NO6
• 分子量: 267.32
• InChiKey: PGOQAJNPEBNJGZ-UHFFFAOYSA-L

计算性质

• 辛醇/水分配系数(LogP)：
  -10.12
• 重原子数：
  15
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  121
• 氢给体数：
  1
• 氢受体数：
  7

文献信息

• Detergent additives and detergent compositions containing them
  申请人：UNILEVER PLC

  公开号：EP0070190A1

  公开（公告）日：1983-01-19

  A builder system for detergent compositions comprises 25 to 97% by weight of an aluminosilicate cation-exchange material such as Zeolite A and 3 to 75% by weight, in total, of an organic precipitant builder having a polyvalent anion, for example, an alkyl or alkenyl malonate or succinate, and an organic sequestrant such as a nitrilotriacetate. The ratio of precipitant to sequestrant is 10:1 to 1:10. The builder mix is advantageously used in detergent compositions containing less than 10% inorganic phosphate, and gives good results in zero-phosphate compositions.

  一种用于洗涤剂组合物的增效剂体系包括 25-97%（重量）的硅酸铝阳离子交换材料（如沸石 A）和 3-75%（重量）的具有多价阴离子的有机沉淀剂增效剂（如烷基或烯基丙二酸酯或琥珀酸酯）以及有机螯合剂（如氮基三乙酸酯）。沉淀剂和螯合剂的比例为 10:1 至 1:10。这种增效剂混合物适用于无机磷酸盐含量低于 10%的洗涤剂组合物，在零磷酸盐组合物中也有很好的效果。
• Improved process for the production of alkene oxides
  申请人：UNION CARBIDE CORPORATION

  公开号：EP0127003A1

  公开（公告）日：1984-12-05

  Alkene oxide can be made in a simple, closed process that uses electrolysis to make bromine and hydroxide from bromide and water. The alkene reacts with bromine and then water to form an alkene bromohydrin, which is dehydrobrominated by hydroxide, regenerating bromide, to give alkene oxide. The main by-product in propylene oxide production is 1,2-dibromopropane, made by propylene reacting with bromine and then bromide. Since formation of 1,2-dibromopropane consumes propylene, electrical power, and bromide, which must be recovered, it is desirable to minimize its formation. It has been discovered that adding carbonate and/or bicarbonate to the bromide electrolyte reduces the formation of 1,2-dibromopropane independently of any pH effect. Carbonate/bicarbonate can be used to reduce formation of dibromo-compounds produced in epoxidation of other alkenes using the electrobromohydrin process. Other carboxylic materials, which are functionally similar to bicarbonate, can also reduce formation of dibromo-compounds, as demonstrated using ethylene diamine tetraacetic acid disodium salt to reduce formation of 1,2-dibromopropane in propylene oxide production.

  氧化烯可以通过一种简单的封闭式工艺制造，该工艺使用电解法从溴化物和水制取溴和氢氧化物。烯烃与溴反应，然后与水反应，形成烯烃溴化氢，再与氢氧化物脱氢溴化，再生溴化物，生成环氧烯烃。 环氧丙烷生产过程中的主要副产品是 1,2-二溴丙烷，由丙烯与溴和溴化物反应生成。由于 1,2-二溴丙烷的生成需要消耗丙烯、电能和必须回收的溴化物，因此最好尽量减少其生成。 研究发现，在溴化物电解液中加入碳酸盐和/或碳酸氢盐可减少 1,2-二溴丙烷的形成，而不受 pH 值的影响。 碳酸盐/碳酸氢盐可用于减少使用电溴海因工艺环氧化其他烯烃时产生的二溴化合物的形成。 与碳酸氢盐功能相似的其他羧基材料也可以减少二溴化合物的生成，如使用乙二胺四乙酸二钠盐减少环氧丙烷生产中 1,2-二溴丙烷的生成。
• Cleaning composition
  申请人：UNILEVER N.V.

  公开号：EP0070079B1

  公开（公告）日：1989-04-19
• US4560451A
  申请人：——

  公开号：US4560451A

  公开（公告）日：1985-12-24