Description

Trisodium Hydrogen [(Methylimino)Dimethylene]Diphosphonate is a high-purity, water-soluble phosphonate compound primarily used as a highly effective scale and corrosion inhibitor. This chemical matters for its superior chelating and threshold inhibition properties, which protect industrial systems from mineral scale formation and metal ion precipitation. It is essential for water treatment formulators, detergent manufacturers, and industrial cleaning specialists who require reliable performance in challenging aqueous environments.

Application

• Industrial Water Treatment: A key component in cooling water, boiler water, and reverse osmosis (RO) systems to control calcium carbonate, sulfate, and phosphate scales.
• Detergent & Cleaning Formulations: Acts as a builder and sequestrant to enhance cleaning efficiency by inactivating water hardness ions (Ca²⁺, Mg²⁺).
• Oilfield & Mining Applications: Used in scale squeeze treatments and as a process additive to prevent mineral deposition in pipelines and equipment.
• Pulp & Paper Industry: Employed as a chelating agent in bleaching processes and to control scale in paper mill water circuits.
• Textile Processing: Serves as a stabilizer and sequestrant in dyeing and finishing baths to improve color quality and process consistency.
• Personal Care Products: Incorporated in select formulations as a stabilizer and chelating agent.

Basic Information

Product Name	Trisodium Hydrogen [(Methylimino)Dimethylene]Diphosphonate
CAS No.	13868-70-7
Molecular Formula	C3H9NNa3O7P2
Molecular Weight	294.02 g/mol
Synonyms	Trisodium (Methylimino)dimethylenediphosphonate; ATMP•Na3; Aminotris(methylenephosphonic acid) Trisodium Salt; Sodium ATMP; Dequest 2006; Phosphonic acid, [nitrilotris(methylene)]tris-, trisodium salt; Nitrilotris(methylenephosphonic acid) trisodium salt; 1,3,5-Triaza-1,3,5-tris(deoxymethylenephosphonic acid) trisodium salt
EINECS	237-620-2

Quality Control

Our Trisodium Hydrogen [(Methylimino)Dimethylene]Diphosphonate 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 other critical 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, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the original container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can lead to caking or reduced efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or granules
Identification (IR)	Conforms
Assay (Active Content)	≥ 95.0 %
pH (1% aqueous solution)	9.0 - 11.0
Water Content	≤ 5.0 %
Chloride (as Cl)	≤ 0.5 %

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