Description

Ethylenebis(Oxyethylenenitrilo)Tetraacetic Acid is a high-purity, versatile chelating agent belonging to the aminopolycarboxylic acid family. It is valued for its exceptional ability to form stable, water-soluble complexes with a wide range of di- and trivalent metal ions, even under challenging conditions. This compound is essential for industries requiring precise metal ion control, including pharmaceuticals, analytical chemistry, and specialized industrial processes where traditional chelators like EDTA may be insufficient.

Application

• Pharmaceutical Synthesis & Formulation: Acts as a potent sequestering agent to inactivate trace metal catalysts or impurities that can catalyze oxidation, ensuring drug stability and purity.
• Analytical Chemistry Reagent: Used in titrations, buffer solutions, and as a masking agent in complexometric analyses to selectively bind interfering metal ions.
• Industrial Process Chemistry: Controls metal ion concentrations in catalytic processes, prevents scale formation in aqueous systems, and aids in metal extraction and purification.
• Cosmetic & Personal Care: Functions as a stabilizer in formulations by chelating metal ions that can degrade active ingredients or cause discoloration.
• Research & Development: Serves as a critical tool in biochemical and biomedical research for studying metal-dependent enzyme systems and cellular processes.
• Water Treatment & Detergents: Enhances the performance of cleaning agents and treatment systems by softening water through the sequestration of calcium and magnesium ions.

Basic Information

Product Name	Ethylenebis(Oxyethylenenitrilo)Tetraacetic Acid
CAS No.	67-42-5
Molecular Formula	C14H24N2O10
Molecular Weight	380.35 g/mol
Synonyms	EGTA; Ethylene Glycol Tetraacetic Acid; Ethylene Glycol-bis(β-aminoethyl Ether)-N,N,N',N'-Tetraacetic Acid; Ethylene Glycol-bis(2-aminoethyl Ether)-N,N,N',N'-Tetraacetic Acid; Geigy Acid II; 3,6-Dioxaoctanedinitrilotetraacetic Acid; Egtazic Acid; (Ethylenedioxy)diethylenedinitrilotetraacetic Acid
EINECS	200-651-6

Quality Control

Our Ethylenebis(Oxyethylenenitrilo)Tetraacetic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
pH (1% Solution)	2.0 - 3.5
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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