Description

Ethylenediamine-N,N'-Bis((2-Hydroxyphenyl)Acetic Acid) is a specialized chelating agent and synthetic intermediate of significant interest in advanced chemical manufacturing. Its molecular structure, featuring two hydroxyphenylacetic acid groups bound to an ethylenediamine core, provides excellent metal-binding capabilities, particularly for transition metals. This compound is essential for researchers and industrial chemists developing novel pharmaceuticals, high-performance catalysts, and analytical reagents. Its precise synthesis and high purity are critical for applications demanding strict control over metal ion concentrations and complexation efficiency.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex molecules, including potential active pharmaceutical ingredients (APIs) and diagnostic agents.
• Metal Chelation & Decontamination: Acts as a powerful chelator in formulations for metal sequestration, detoxification, and in processes requiring control of metal ion catalysis.
• Analytical Chemistry Reagent: Employed as a complexometric titrant or a masking agent in trace metal analysis and spectrophotometric determinations.
• Catalyst Ligand Synthesis: Serves as a precursor for creating sophisticated ligand systems used in homogeneous catalysis for organic transformations.
• Polymer Modification: Incorporated into polymer chains to introduce metal-binding sites for creating functional materials like ion-exchange resins or sensory polymers.
• Research & Development: A valuable building block in academic and industrial R&D for exploring new coordination chemistry and material science applications.

Basic Information

Product Name	Ethylenediamine-N,N'-Bis((2-Hydroxyphenyl)Acetic Acid)
CAS No.	1170-02-1
Molecular Formula	C18H20N2O6
Molecular Weight	360.36 g/mol
Synonyms	EDPA; N,N'-Ethylenebis[2-(2-hydroxyphenyl)glycine]; Ethylenediamine di(o-hydroxyphenylacetic acid); EDDHA (Note: Often confused with Ethylenediamine-N,N'-bis(2-hydroxyphenylacetic acid), a related isomer); o,o-EDDHA; Chelating Agent EDPA; 2,2'-[1,2-Ethanediylbis[(carboxymethyl)imino]]bis[phenol]; N,N'-Ethylenediamine-di-(2-hydroxyphenylacetic acid)
EINECS	214-571-8

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity. Our standard grade typically meets a specification of ≥97% purity (by HPLC). Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We can support development projects with custom purity grades and analytical data packages upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.