Disodium ethylenediaminediacetate | 38011-25-5

• 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: Disodium ethylenediaminediacetate
• 英文别名: disodium;2-[2-(carboxylatomethylamino)ethylamino]acetate
• CAS: 38011-25-5
• 化学式: C6H10N2Na2O4
• 分子量: 220.13
• InChiKey: QMIFISRIAJBCGZ-UHFFFAOYSA-L

物化性质

• 物理描述：
  Liquid

计算性质

• 辛醇/水分配系数(LogP)：
  -10.33
• 重原子数：
  14
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  104
• 氢给体数：
  2
• 氢受体数：
  6

文献信息

• [EN] PROCESS TO PREPARE PHENOLIC ETHYLENEDIAMINE DIACETIC ACID COMPOUNDS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE COMPOSÉS D'ACIDE PHÉNOLIQUE ÉTHYLÈNEDIAMINE DIACÉTIQUE
  申请人：AKZO NOBEL CHEMICALS INT BV

  公开号：WO2016207265A1

  公开（公告）日：2016-12-29

  The present invention relates to a process to prepare N,N'-di(2-hydroxybenzyl) ethylenediamine-N,N'-diacetic acid and salts thereof comprising a reaction between formaldehyde, ethylenediamine diacetic acid or a salt thereof and phenol at a pH of between 3 and 7 and a temperature below 60°Cwherein the reaction mixture contains 0.2 to 1.1 molar equivalents of alkali metalions on the molar amount of EDDA.

  本发明涉及一种制备N,N'-二(2-羟基苯甲基)乙二胺-N,N'-二乙酸及其盐的方法，包括在pH值在3至7之间、温度低于60°C的条件下，通过甲醛、乙二胺二乙酸或其盐以及酚之间的反应制备，其中反应混合物中含有0.2至1.1摩尔当量的碱金属离子与EDDA的摩尔量。
• AMINOCARBOXYLATE POWDERS WITH IMPROVED PURITY AND FLOWABILITY PROPERTIES
  申请人：Moore, JR. J. W.

  公开号：US20110288332A1

  公开（公告）日：2011-11-24

  Provided is a method for preparing stable free flowing solid aminocarboxylate chelants by adding to a chelant that contains residual alkaline metal hydroxide a free or partially neutralized carboxylic acid such that the free or partially neutralized acid neutralizes at least a portion of the alkaline metal hydroxide; and isolating therefrom the free-flowing solid chelant.

  提供了一种制备稳定自由流动的固态氨基羧酸螯合剂的方法，该方法是向含有残留碱性金属氢氧化物的螯合剂中添加一个自由或部分中和的羧酸，使得自由或部分中和的酸至少中和部分碱性金属氢氧化物；然后从中分离出自由流动的固态螯合剂。
• PROCESS FOR THE PREPARATION OF N,N'-BIS(2-HYDROXYBENZYL)ETHYLENEDIAMINE-N,N'-DIACETIC ACID AND ITS DERIVATIVES
  申请人：Nawrocki Adam

  公开号：US20100168469A1

  公开（公告）日：2010-07-01

  The invention relates to a process for the preparation of N,N′-bis(2-hydroxybenzyl)-ethylenediamine-N,N′-diacetic acid and its derivatives of general formula (I), wherein both R have the same meaning and are selected from H, C 1 -C 4 alkyl, CH 2 OH, SO 3 M, and COOM; and all M have the same meaning and represent hydrogen atom, Na, K or NH 4 ; which comprises reductive amination of glyoxylic acid with a salan compound of general formula (II), in the presence of an amine proton acceptor. The compounds of formula (I) can be used as chelating agents for micronutrients in fertilizer preparations for plants.

  本发明涉及一种制备N，N'-双（2-羟基苯甲基）-乙二胺-N，N'-二乙酸及其通式（I）衍生物的过程，其中两个R具有相同的含义，可选择自H，C1-C4烷基，CH2OH，SO3M和COOM中；所有的M具有相同的含义，代表氢原子，Na，K或NH4；该过程包括在胺质子受体的存在下，用通式（II）的萨兰化合物对乙酰乙酸进行还原胺化。通式（I）的化合物可用作植物肥料制备中微量营养素的螯合剂。
• Method for preparing an aminocarboxylate chelant containing low level of nitrilotriacetic acid
  申请人：Dow Global Technologies LLC

  公开号：EP2743254A1

  公开（公告）日：2014-06-18

  Provided is a method for preparing stable free flowing solid aminocarboxylate chelants by adding to a chelant that contains residual alkaline metal hydroxide a free or partially neutralized carboxylic acid such that the free or partially neutralized acid neutralizes at least a portion of the alkaline metal hydroxide; and isolating therefrom the free-flowing solid chelant.

  本发明提供了一种制备稳定的自由流动固体氨基羧酸盐螯合剂的方法，即在含有残余碱金属氢氧化物的螯合剂中加入游离的或部分中和的羧酸，使游离的或部分中和的酸至少中和了部分碱金属氢氧化物；并从中分离出自由流动的固体螯合剂。
• A PROCESS FOR THE PREPARATION OF SALTS OF N,N'-DISUBSTITUTED ETHYLENEDIAMINE-N,N'-DIACETIC ACID DERIVATIVES AND THEIR USE
  申请人：Przedsiebiorstwo Produkcyjno-Consultingowe ADOB Sp. z o.o. Sp. jawna

  公开号：EP3848349A1

  公开（公告）日：2021-07-14

  A process of the preparation of the salts of N,N'-disubstituted ethylenediamine-N,N'-diacetic acid derivatives of the formula (IA), by alkylation of N-substituted glycine derivative of the formula (II) with 1,2-dichloroethane; and a process the preparation of acid addition salts of the formula (IB), by acidification of the salt of the formula (IB) with a suitable acid; and the use of the salts of the formula (IA) and (IB) thus obtained in the preparation of iron(III) or zinc(II) chelates. In the formulae, R represents hydrogen atom or CH3 group, M represents sodium or potassium cation and X represents HCl or H2SO4.

  一种通过用 1,2-二氯乙烷对式(II)的 N-取代甘氨酸衍生物进行烷基化而制备式(IA)的 N,N'-二取代乙二胺-N,N'-二乙酸衍生物盐的工艺；以及制备式（IB）的酸加成盐的工艺，方法是用适当的酸将式（IB）的盐酸化；并将由此获得的式(IA)和(IB)的盐用于制备铁(III)或锌(II)螯合物。式中，R 代表氢原子或 CH3 基团，M 代表钠或钾阳离子，X 代表 HCl 或 H2SO4。