Description

Phosphonic Acid, [6,9-Bis(Phosphonomethyl) -2,6,9,13-Tetraazatetradecane-1,14-Diyl]Bis-, Compd. With 2-Aminoethanol is a high-purity, multifunctional organic phosphonate compound with a complex polyamine structure. This specialized chemical is valued for its exceptional chelating and scale inhibition properties, making it a critical performance additive in demanding industrial water treatment and process chemistry applications. It is primarily utilized by formulators and manufacturers in the water treatment, oilfield, and specialty chemical synthesis sectors.

Application

• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling water, boiler water, and reverse osmosis systems, particularly effective against calcium carbonate and sulfate scales.
• Oilfield Chemicals: Used in scale squeeze treatments and as a component in drilling and production fluids to prevent mineral scale deposition in downhole equipment and formations.
• Detergent & Cleaning Formulations: Serves as a powerful builder and chelating agent in industrial and institutional cleaning products to sequester hardness ions (Ca2+, Mg2+).
• Pulp & Paper Processing: Employed as a chelant and dispersant to control metal ions that can catalyze peroxide decomposition and affect pulp brightness.
• Textile Processing: Functions as a stabilizer and sequestrant in bleaching, dyeing, and finishing baths to improve process consistency and fabric quality.
• Metal Surface Treatment: Used in metal cleaning, pickling, and plating baths to control water hardness and prevent precipitation of metal salts.
• Chemical Synthesis Intermediate: Acts as a key building block or ligand in the synthesis of more complex phosphonate-based molecules and metal-organic frameworks (MOFs).

Basic Information

Item	Detail
Product Name	Phosphonic Acid, [6,9-Bis(Phosphonomethyl) -2,6,9,13-Tetraazatetradecane-1,14-Diyl]Bis-, Compd. With 2-Aminoethanol
CAS No.	129828-40-6
Molecular Formula	C16H44N6O10P4
Molecular Weight	640.46 g/mol
Synonyms	Hexamethylenediamine tetra(methylene phosphonic acid), potassium salt; HMDTMPA; HMDP; 1,6-Hexamethylenediamine-N,N,N',N'-tetrakis(methylenephosphonic acid); Dequest 2054 (trade name); Phosphonic acid, P,P',P'',P'''-[1,6-hexanediylbis[nitrilobis(methylene)]]tetrakis-, potassium salt; PBTC precursor; Amino tris(methylene phosphonic acid) derivative.
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, [6,9-Bis(Phosphonomethyl) -2,6,9,13-Tetraazatetradecane-1,14-Diyl]Bis-, Compd. With 2-Aminoethanol adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including assay, impurity profiling, and physical characterization, to ensure consistent performance and purity. Comprehensive Certificates of Analysis (COA) documenting all test results are provided with each shipment to support your quality assurance and regulatory compliance needs.

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); ensure containers are kept tightly sealed when not in use to prevent absorption of atmospheric moisture and potential caking. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Active Content (as acid)	≥ 50.0%
pH (1% aqueous solution)	1.5 - 3.5
Density (at 20°C)	1.30 - 1.45 g/cm³
Water Content	≤ 2.0%
Chloride (as Cl)	≤ 0.1%

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