Description

Amino Tris(Methylene Phosphonic Acid) CAS NO 6419-19-8 is a highly effective phosphonate-based scale and corrosion inhibitor. This organic phosphonic acid compound is valued for its exceptional chelating and threshold inhibition properties, even under high-temperature and high-pH conditions. It is a critical component for industrial water treatment, oilfield operations, and detergent formulations where it prevents mineral scale deposition and protects metal surfaces.

Application

• Industrial Water Treatment: Primary application as a scale inhibitor for calcium carbonate, calcium sulfate, and barium sulfate in cooling water, boiler water, and reverse osmosis systems.
• Oilfield Chemicals: Used in squeeze treatments and as an additive in drilling fluids to control scale formation in downhole equipment and pipelines.
• Detergent & Cleaning Formulations: Acts as a builder and sequestrant to inactivate water hardness ions, enhancing the cleaning efficiency of soaps and detergents.
• Pulp & Paper Industry: Employed in bleaching and process water systems to chelate metal ions like iron and manganese that can catalyze decomposition of bleaching agents.
• Textile Processing: Serves as a peroxide stabilizer and sequestrant in bleaching and dyeing baths to prevent metal-ion catalyzed degradation of fabrics.
• Metal Surface Treatment: Used in cleaning and pickling formulations to prevent scale formation and inhibit corrosion on metal surfaces.

Basic Information

Product Name	Amino Tris(Methylene Phosphonic Acid)
CAS No.	6419-19-8
Molecular Formula	C3H12NO9P3
Molecular Weight	299.05 g/mol
Synonyms	Aminotris(methylenephosphonic acid); ATMP; Nitrilotris(methylenephosphonic acid); Dequest 2000; Phosphonic acid, (nitrilotris(methylene))tris-; N,N-Bis(phosphonomethyl)glycine; 1-Aminoethane-1,1-diyldiphosphonic acid; Amino trimethylene phosphonic acid
EINECS	229-146-5

Quality Control

Our Amino Tris(Methylene Phosphonic Acid) is manufactured under a strict quality management system. Each batch undergoes comprehensive 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 for every shipment to guarantee traceability and consistency for your industrial processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and organic solvents. The product is hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow transparent liquid
Active Content (as ATMP)	≥ 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
Orthophosphate (as PO₄³⁻)	≤ 0.5 %

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