Description

Nonaammonium Heptahydrogen [2,5,8,11,14,17-Hexakis(Phosphonatomethyl)-2,5,8,11,14,17-Hexaazaoctadecane-1,18-Diyl]Bisphosphonate is a high-purity, multi-dentate chelating agent and scale inhibitor belonging to the aminophosphonate chemical family. Its complex molecular structure provides exceptional binding affinity for di- and trivalent metal ions, making it a critical component for controlling scale and corrosion in demanding industrial water systems. This product is essential for R&D and manufacturing in sectors where water chemistry management is paramount, such as industrial water treatment, oilfield operations, and detergent formulation.

Application

• Industrial Water Treatment: Primary application as a highly effective threshold scale inhibitor for calcium carbonate, calcium sulfate, and barium sulfate in cooling towers, boilers, and reverse osmosis systems.
• Oilfield Chemicals: Used in squeeze treatments and as an additive in drilling and completion fluids to prevent mineral scale deposition in downhole formations and surface equipment.
• Detergent & Cleaning Formulations: Acts as a powerful builder and sequestrant to inactivate water hardness ions (Ca²⁺, Mg²⁺), enhancing the cleaning efficiency of laundry detergents, industrial cleaners, and automatic dishwashing products.
• Pulp & Paper Processing: Employed as a chelant in bleaching processes and to control scale in paper machine white water systems.
• Textile Processing: Used to sequester metal ions in dyeing and finishing baths, preventing shade variation and improving color fastness.
• Metal Surface Treatment: Serves as a corrosion inhibitor and sequestering agent in metal cleaning, plating, and phosphating baths.
• Personal Care Products: Potential use as a chelating agent in shampoos, soaps, and other formulations to improve stability and performance.
• Agricultural Chemicals: Can be utilized in pesticide and fertilizer formulations to improve compatibility and stability by chelating trace metals.

Basic Information

Product Name	Nonaammonium Heptahydrogen [2,5,8,11,14,17-Hexakis(Phosphonatomethyl)-2,5,8,11,14,17-Hexaazaoctadecane-1,18-Diyl]Bisphosphonate
CAS No.	93858-91-4
Molecular Formula	C₂₄H₈₈N₁₅O₂₄P₈ (Ammonium salt form) / Contact for details on acid form
Molecular Weight	Contact for details
Synonyms	DOTP (Diethylenetriamine Penta(methylene phosphonic acid), Heptasodium salt); Amino tris(methylene phosphonic acid) polymer; ATMP-based oligomer; Hexakis(phosphonomethyl)hexaazaoctadecanediphosphonic acid ammonium salt; Phosphonated polyamine; Water treatment scale inhibitor 93858-91-4; Multi-phosphonate chelant; PBTC related phosphonate
EINECS	Contact for details

Quality Control

Our production of Nonaammonium Heptahydrogen [2,5,8,11,14,17-Hexakis(Phosphonatomethyl)-2,5,8,11,14,17-Hexaazaoctadecane-1,18-Diyl]Bisphosphonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. The product undergoes rigorous analytical testing, including assay by titration, identification by FT-IR, and quantification of key impurities. A Certificate of Analysis (COA) detailing purity, active content, pH, density, and other critical parameters is 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, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality and handling properties. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear to slightly hazy liquid
Color	Colorless to pale yellow
Assay (Active Content)	≥ 50.0%
pH (as is, 1% solution)	6.0 - 8.0
Density (20°C)	1.30 - 1.40 g/cm³
Identification (IR)	Conforms to reference spectrum
Phosphorus Content (as P)	Contact for details
Chloride (as Cl⁻)	≤ 0.1%

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