Description

Ammonium Trihydrogen Ethylenediaminetetraacetate is the ammonium salt form of the versatile chelating agent EDTA. This compound is critical for applications requiring the effective sequestration of metal ions in aqueous systems under mildly acidic to neutral conditions. It is an essential raw material for industrial water treatment, chemical synthesis, and analytical chemistry. Professionals in the pharmaceutical, agrochemical, and personal care industries rely on its consistent quality for process stability and product performance.

Application

• Industrial Water Treatment: Acts as a scale and corrosion inhibitor in cooling towers, boilers, and closed-loop systems by chelating calcium, magnesium, and other metal ions.
• Chemical Synthesis & Catalysis: Used to deactivate trace metal catalysts or impurities that can interfere with polymerization, oxidation, or other sensitive chemical reactions.
• Analytical Chemistry: Serves as a key component in buffer solutions, titrants, and masking agents for complexometric titrations and spectroscopic analysis.
• Agrochemical Formulations: Enhances the stability and bioavailability of micronutrients in liquid fertilizers and pesticide formulations by preventing metal-catalyzed degradation.
• Personal Care & Cosmetics: Functions as a chelating agent in shampoos, soaps, and creams to improve shelf life and maintain clarity by binding metal ions that can cause rancidity or discoloration.
• Pharmaceutical Intermediates: Employed in the purification and synthesis of active pharmaceutical ingredients (APIs) where metal ion control is crucial for yield and purity.
• Pulp & Paper Processing: Helps in bleaching processes and improves the brightness of paper by chelating transition metals that catalyze peroxide decomposition.
• Textile Processing: Used in dyeing and finishing baths to complex with metal ions in water, ensuring consistent color quality and preventing stains.

Basic Information

Product Name	Ammonium Trihydrogen Ethylenediaminetetraacetate
CAS No.	2554-05-4
Molecular Formula	C10H19N3O8
Molecular Weight	309.27 g/mol
Synonyms	Ammonium EDTA; Triammonium EDTA; Ammonium ethylenediaminetetraacetate; EDTA triammonium salt; Edetate triammonium; Triammonium ethylenedinitrilotetraacetate; (Ethylenedinitrilo)tetraacetic acid triammonium salt; Triammonium hydrogen ethylenediaminetetraacetate
EINECS	219-857-2

Quality Control

Our Ammonium Trihydrogen Ethylenediaminetetraacetate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, pH, and heavy metal content. Our quality commitment supports applications requiring consistency from industrial to technical grades.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after initial use to prevent absorption of atmospheric moisture, which can lead to caking or reduced efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
pH (5% solution)	4.0 - 5.5
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Iron (Fe)	≤ 10 ppm

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