Description

[[(2-Hydroxyethyl)Imino]Bis(Methylene)]Bis(Phosphonic Acid)Tetraethyl Ester is a high-purity organophosphorus compound that serves as a versatile intermediate and functional additive. Its molecular structure, featuring phosphonate ester groups and a hydroxyethylamino bridge, provides excellent chelating and scale-inhibiting properties. This chemical is essential for manufacturers in the water treatment, textile processing, and specialty chemical synthesis industries seeking effective performance additives.

Application

• Water Treatment Formulations: Acts as a key sequestering agent and scale inhibitor in industrial cooling and boiler water systems.
• Textile Auxiliaries: Used as a stabilizer and complexing agent in peroxide bleaching baths and other textile chemical processes.
• Chemical Synthesis Intermediate: Serves as a crucial precursor for the synthesis of more complex phosphonate derivatives and pharmaceuticals.
• Detergent & Cleaning Agents: Incorporated into industrial and institutional cleaning formulations for its superior chelation of hard water ions.
• Oilfield Chemicals: Functions as a scale and corrosion inhibitor in oil and gas production and recovery operations.
• Pulp & Paper Processing: Utilized as a stabilizer and dispersant to improve process efficiency and product quality.

Basic Information

Product Name	[[(2-Hydroxyethyl)Imino]Bis(Methylene)]Bis(Phosphonic Acid)Tetraethyl Ester
CAS No.	29920-33-0
Molecular Formula	C11H27NO8P2
Molecular Weight	363.28 g/mol
Synonyms	Tetraethyl (2-Hydroxyethyl)iminobis(methylene)diphosphonate; Dequest 2066 (Trade Name); HEDP Tetraethyl Ester; 1-Hydroxyethane-1,1-diphosphonic Acid Tetraethyl Ester; (2-Hydroxyethyl)iminobis(methylenephosphonic Acid) Tetraethyl Ester; Amino Tris(Methylene Phosphonic Acid) Derivative; ATMP Ester Derivative; Phosphonic Acid, [[(2-Hydroxyethyl)Imino]Bis(Methylene)]Bis-, Tetraethyl Ester
EINECS	Contact for details

Quality Control

Our production of [[(2-Hydroxyethyl)Imino]Bis(Methylene)]Bis(Phosphonic Acid)Tetraethyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) documenting all critical quality parameters is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. The container must be kept tightly sealed due to the product's sensitivity to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.25 g/cm³
Refractive Index (20°C)	~1.470

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