Description

Nonapotassium heptahydrogen [ethane-1,2-diylbis[[(phosphonatomethyl)imino]ethane-2,1-diyl[(phosphonatomethyl)imino]ethane-2,1-diylnitrilobis(methylene)]]tetrakisphosphonate is a high-performance, multi-dentate organic phosphonate chelating agent. This compound is engineered to provide exceptional scale inhibition and metal ion sequestration across a wide pH and temperature range. It is primarily utilized by industries requiring robust water treatment solutions and advanced detergent formulations. Its complex molecular structure offers superior stability and performance compared to simpler phosphonates.

Application

• Industrial Water Treatment: As a highly effective scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis (RO) systems.
• Detergent & Cleaning Formulations: Key builder and sequestrant in industrial and institutional cleaning products to enhance efficacy in hard water.
• Pulp & Paper Processing: Used for peroxide stabilization and as a chelant in bleaching processes to improve pulp quality.
• Textile Processing: Acts as a stabilizer in peroxide bleaching baths and a dispersant for dyeing processes.
• Oilfield Applications: Employed in scale squeeze treatments and as an additive in drilling fluids for mineral scale control.
• Personal Care Products: Functions as a chelating agent in shampoos, soaps, and other formulations to improve stability and performance.
• Agricultural Chemicals: Used as a stabilizer and compatibility agent in certain pesticide and fertilizer formulations.
• Metal Surface Treatment: Serves as a chelant in electroplating and metal cleaning/pre-treatment baths.

Basic Information

Product Name	Nonapotassium heptahydrogen [ethane-1,2-diylbis[[(phosphonatomethyl)imino]ethane-2,1-diyl[(phosphonatomethyl)imino]ethane-2,1-diylnitrilobis(methylene)]]tetrakisphosphonate
CAS No.	93892-86-5
Molecular Formula	C14H28K9N5O28P8 (Potassium salt form)
Molecular Weight	Contact for details
Synonyms	Potassium Hexamethylene Diamine Tetra(Methylene Phosphonate) (K-HDTMP); Potassium salt of HDTMP; Phosphonic acid, P,P',P'',P'''-[1,2-ethanediylbis[[nitrilobis(methylene)]]]tetrakis-, nonapotassium salt; K9-HDTMP; Hexamethylenediaminetetra(methylenephosphonic acid) nonapotassium salt; Amino tris(methylene phosphonic acid) potassium salt derivative; Dequest 2054 (potassium salt analog); High-performance potassium phosphonate.
EINECS	Contact for details

Quality Control

Our production of nonapotassium heptahydrogen phosphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, pH, and impurity profiling, to ensure consistent performance and purity. Certificates of Analysis (COA) documenting all critical parameters are available upon request. We support compliance with relevant global standards for industrial chemicals.

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	Clear to slightly hazy liquid
Assay (as active acid)	≥ 50.0 %
pH (1% aqueous solution)	6.0 - 8.0
Density (20°C)	1.30 - 1.45 g/cm³
Color (Hazen)	≤ 100
Iron (Fe)	≤ 10 ppm
Chloride (Cl)	≤ 100 ppm

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