Description

Dipotassium Tetrahydrogen [Nitrilotris(Methylene)]Trisphosphonate is a highly effective phosphonate-based chelating agent and scale inhibitor. This compound matters for its superior ability to sequester di- and trivalent metal ions, such as calcium and magnesium, preventing scale formation and corrosion in industrial water systems. It is primarily needed by water treatment, detergent formulation, and industrial cleaning sectors where controlling water hardness and metal ion activity is critical for process efficiency and equipment longevity.

Application

• Industrial Water Treatment: Acts as a key component in cooling water, boiler water, and reverse osmosis systems to inhibit scale and control corrosion.
• Detergent & Cleaning Formulations: Serves as a powerful builder and chelant in industrial and institutional cleaning products to enhance surfactant performance and prevent soap scum.
• Pulp & Paper Processing: Used as a chelating agent in bleaching processes to stabilize peroxides and improve brightness by controlling transition metal ions.
• Textile Processing: Employed in dyeing and finishing baths to sequester metal ions that can cause shade variation and fabric degradation.
• Oilfield Applications: Functions as a scale inhibitor in squeeze treatments and production fluids to maintain wellbore and pipeline integrity.
• Personal Care Products: Incorporated as a chelating agent in formulations like shampoos and liquid soaps to improve stability and clarity.

Basic Information

Product Name	Dipotassium Tetrahydrogen [Nitrilotris(Methylene)]Trisphosphonate
CAS No.	3998-50-3
Molecular Formula	C3H7K2NO9P3
Molecular Weight	409.23 g/mol
Synonyms	Dipotassium Nitrilotris(Methylenephosphonate); Potassium Nitrilotrimethylenephosphonate; K2H4NTMP; Dipotassium Salt of ATMP; Aminotris(Methylenephosphonic Acid) Dipotassium Salt; Dequest 2016 (Analog); Phosphonic acid, [nitrilotris(methylene)]tris-, dipotassium salt; ATMP-K2
EINECS	223-663-5

Quality Control

Our Dipotassium Tetrahydrogen [Nitrilotris(Methylene)]Trisphosphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for active content, pH, and impurity profiles. Certificates of Analysis (COA) documenting purity, identity, and performance-related parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture which may lead to caking or reduced efficacy.

Specification

Item	Specification
Appearance	Clear to slightly hazy liquid
Assay (Active Content)	≥ 50.0 %
pH (1% Aqueous Solution)	6.0 - 8.0
Density (20°C)	1.30 - 1.40 g/cm³
Identification (IR)	Conforms
Chloride (as Cl)	≤ 0.1 %
Iron (as Fe)	≤ 10 ppm

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