Description

Ethylenediamine-N,N'-Diacetic-N,N'-Dipropionic Acid is a high-purity, multifunctional chelating agent and complexing compound. It is valued for its superior ability to sequester a wide range of di- and trivalent metal ions, forming stable complexes under various pH conditions. This product is essential for manufacturers in the water treatment, detergent, pulp & paper, and specialty chemical synthesis industries seeking advanced chelation performance.

Application

• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis systems by chelation of calcium, magnesium, and iron ions.
• Detergent & Cleaning Formulations: Enhances the cleaning efficiency of industrial and institutional cleaners by binding hard water ions, preventing soap scum and improving surfactant performance.
• Pulp & Paper Processing: Used in bleaching processes to stabilize peroxides and control transition metal ions that can degrade cellulose fibers and bleach chemicals.
• Textile Processing: Serves as a chelant in dyeing and bleaching baths to prevent metal-ion interference, ensuring consistent color quality and fabric integrity.
• Agricultural Chemistry: Functions as a component in micronutrient fertilizers and agrochemical formulations to improve the bioavailability and stability of metal nutrients.
• Chemical Synthesis & Catalysis: Employed as a ligand in the preparation of homogeneous catalysts and in organic synthesis where specific metal complexation is required.
• Personal Care Products: Incorporated into formulations where gentle yet effective chelation is needed to stabilize products and enhance efficacy.

Basic Information

Product Name	Ethylenediamine-N,N'-Diacetic-N,N'-Dipropionic Acid
CAS No.	32701-19-2
Molecular Formula	C12H20N2O8
Molecular Weight	320.30 g/mol
Synonyms	EDDAP; Ethylenediamine Diacetic Dipropionic Acid; EDDP; N,N'-Bis(carboxymethyl)-N,N'-bis(2-carboxyethyl)ethylenediamine; 1,2-Ethanediamine, N,N-bis(carboxymethyl)-N',N'-bis(2-carboxyethyl)-; Chelest EDDAP; Chelest EDDP; Chelest GR-40
EINECS	251-215-7

Quality Control

Our Ethylenediamine-N,N'-Diacetic-N,N'-Dipropionic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) documenting assay, impurity profile, and physical characteristics is provided with each shipment to guarantee consistency and compliance with your application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 2.0 %
pH (1% Solution)	2.5 - 4.5
Residue on Ignition	≤ 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.