Description

[(Propylimino)Bis(Methylene)]Diphosphonic Acid is a specialized organophosphorus compound valued for its strong chelating and scale inhibition properties. This chemical is a critical performance additive in industrial water treatment and process chemistry, where it effectively controls mineral scaling and corrosion. It is essential for chemical suppliers, water treatment formulators, and manufacturers in the oil & gas, textile, and pulp & paper industries seeking reliable, high-performance phosphonate solutions.

Application

• Industrial Water Treatment: A key component in cooling water and boiler water treatment formulations for scale and corrosion inhibition, particularly against calcium carbonate and sulfate scales.
• Oilfield Chemistry: Used in scale squeeze treatments and as an additive in drilling and completion fluids to prevent mineral deposition in downhole equipment and formations.
• Textile Processing: Acts as a chelant and dispersant in bleaching and dyeing baths to sequester metal ions that can affect fabric quality and color.
• Pulp & Paper Manufacturing: Employed to control scale in digesters, washers, and bleach plants, improving operational efficiency and reducing downtime.
• Detergent & Cleaning Formulations: Serves as a builder and chelating agent in industrial and institutional cleaning products to enhance performance in hard water.
• Metal Surface Treatment: Used in pickling and plating baths to control metal ion precipitation and improve surface finish quality.

Basic Information

Product Name	[(Propylimino)Bis(Methylene)]Diphosphonic Acid
CAS No.	5995-27-7
Molecular Formula	C5H15NO6P2
Molecular Weight	255.13 g/mol
Synonyms	PBMPA; N-Propylaminobis(methylenephosphonic acid); Propyl-1,1-bisphosphonic acid; (Propylimino)dimethylenediphosphonic Acid; Dequest 2054 (Trade Name); 1-Propylamino-1,1-diphosphonic Acid; Amino tris(methylenephosphonic acid) propyl derivative; Phosphonic acid, P,P'-(propylimino)bis(methylene)di-
EINECS	Contact for details

Quality Control

Our [(Propylimino)Bis(Methylene)]Diphosphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for active content, pH, and impurity profiles. A Certificate of Analysis (COA) documenting purity, identity, and key physical-chemical parameters is available for each lot upon request, providing full traceability and quality assurance for your processes.

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 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.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Assay (Active Content)	≥ 50.0 %
pH (1% aqueous solution)	1.5 - 2.5
Density (20°C)	1.30 - 1.40 g/cm³
Identification (IR)	Conforms
Iron (Fe)	≤ 10 ppm
Chloride (Cl)	≤ 50 ppm

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