Description

Octasodium Tetrahydrogen [Ethane-1,2-Diylbis[[(Phosphonatomethyl)Imino]Ethane-2,1-Diylnitrilobis(Methylene)]]Tetrakisphosphonate is a high-performance, multi-dentate chelating agent and scale inhibitor belonging to the aminophosphonate chemical family. Its primary value lies in its exceptional ability to sequester di- and trivalent metal ions, such as calcium, magnesium, and iron, even under challenging conditions of high temperature and pH. This compound is essential for industrial water treatment, detergent formulation, and textile processing where control of water hardness and prevention of mineral scale deposition are critical. Global manufacturers rely on its superior stability and chelation power to enhance process efficiency and protect equipment.

Application

• Industrial Water Treatment: As a highly effective scale and corrosion inhibitor in cooling water systems, boilers, and reverse osmosis membranes.
• Detergent & Cleaning Formulations: Key builder and sequestrant in liquid and powder detergents, dishwashing agents, and industrial cleaners to inactivate water hardness ions.
• Textile Processing: Used in bleaching, dyeing, and finishing baths to prevent metal-ion catalyzed decomposition of peroxides and to improve dye quality.
• Pulp & Paper Manufacturing: Chelating agent in bleaching processes to deactivate transition metals and improve bleaching chemical efficiency.
• Oilfield Applications: Scale inhibitor in squeeze treatments and production chemicals to prevent carbonate and sulfate scale formation in wells and pipelines.
• Personal Care Products: Stabilizer and chelant in formulations such as shampoos and liquid soaps to enhance shelf life and performance.
• Metal Surface Treatment: Additive in electroplating and pickling baths to control metal ions and improve surface finish quality.

Basic Information

Product Name	Octasodium Tetrahydrogen [Ethane-1,2-Diylbis[[(Phosphonatomethyl)Imino]Ethane-2,1-Diylnitrilobis(Methylene)]]Tetrakisphosphonate
CAS No.	93919-77-8
Molecular Formula	C14H28N4O24P8Na8 (or related hydrate forms)
Molecular Weight	Contact for details
Synonyms	Ethylenediamine tetra(methylene phosphonic acid) octasodium salt; EDTMP•Na8; Octasodium EDTMP; Ethylenediaminetetrakis(methylenephosphonate) octasodium salt; 1,2-Ethanediamine, N,N,N',N'-tetrakis(methylenephosphonic acid) octasodium salt; Dequest® 2046 (typical trade name); Aminotris(methylenephosphonic acid) derivative; Water treatment scale inhibitor 93919-77-8
EINECS	Contact for details

Quality Control

Our production of Octasodium Tetrahydrogen [Ethane-1,2-Diylbis[[(Phosphonatomethyl)Imino]Ethane-2,1-Diylnitrilobis(Methylene)]]Tetrakisphosphonate adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity, chelation value, and performance. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as active content, pH, and impurity profiles. Our quality systems are designed to meet the demands of global markets, supporting compliance with relevant industry standards for water treatment chemicals and detergent ingredients.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and must be stored in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture and CO2, which can affect product stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Active Content)	Min. 90%
pH (1% Solution)	6.0 - 8.0
Water Content	Max. 10.0%
Chelation Value (as CaCO3)	Min. 300 mg/g

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