Description

Aminopropylidene Diphosphonic Acid is a highly effective organophosphorus compound known for its strong chelating and scale inhibition properties. Its molecular structure makes it a powerful agent for controlling metal ions and preventing mineral deposits in aqueous systems. This product is essential for industrial water treatment, oilfield operations, and detergent formulations where sequestration and dispersion are critical. It is supplied as a high-purity chemical to meet the stringent demands of these applications.

Application

• Industrial Water Treatment: Acts as a superior scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis systems.
• Oilfield Chemistry: Used in scale squeeze treatments and as a component in drilling fluids to control carbonate and sulfate scale formation.
• Detergent & Cleaning Formulations: Serves as a builder and chelant to enhance cleaning efficiency by sequestering calcium and magnesium ions.
• Pulp & Paper Industry: Employed as a dispersant and chelating agent in bleaching processes to improve pulp quality and process efficiency.
• Textile Processing: Functions as a stabilizer and sequestrant in dyeing and finishing baths to prevent metal-ion interference.
• Personal Care Products: Incorporated into formulations as a stabilizing agent for products sensitive to metal-catalyzed degradation.

Basic Information

Product Name	Aminopropylidene Diphosphonic Acid
CAS No.	15049-86-2
Molecular Formula	C3H11NO7P2
Molecular Weight	235.07 g/mol
Synonyms	Aminotris(methylenephosphonic acid); ATMP; Nitrilotris(methylenephosphonic acid); Dequest 2000; Phosphonic acid, (nitrilotris(methylene))tris-; N,N-Bis(phosphonomethyl)glycine; Amino Trimethylene Phosphonic Acid; NTMP
EINECS	239-138-3

Quality Control

Our Aminopropylidene Diphosphonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets high-purity standards and consistent performance. Certificates of Analysis (COA) documenting key parameters such as active content, pH, and impurity levels are available upon request to support your quality assurance protocols.

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); ensure the container is securely sealed after each use to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Assay (Active Content)	≥ 50.0 %
pH (1% aqueous solution)	1.5 - 2.5
Density (20°C)	1.30 - 1.40 g/cm³
Chloride (as Cl)	≤ 0.5 %
Iron (as Fe)	≤ 10 ppm
Identification (IR)	Conforms

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