Description

n-(Carboxymethyl)-n-(1,1-Diphosphonoethyl)Glycine is a specialized phosphonate-based chelating agent and scale inhibitor. Its molecular structure, featuring multiple phosphonic acid and carboxylic acid groups, provides exceptional binding affinity for polyvalent metal ions such as calcium, magnesium, and iron. This compound is essential for industrial processes requiring precise control over water chemistry and metal ion sequestration. It is primarily utilized in water treatment formulations, detergent and cleaning products, and as a stabilizer in textile and paper processing.

Application

• Industrial Water Treatment: A key component in cooling water and boiler water treatment programs to prevent scale formation and inhibit corrosion.
• Detergent & Cleaning Formulations: Acts as a builder and sequestrant to enhance cleaning efficiency by inactivating water hardness ions.
• Textile Processing: Used as a stabilizer in peroxide bleaching baths and to prevent metal-ion catalyzed degradation of fibers.
• Pulp & Paper Industry: Employed to control metal ions during bleaching processes, improving pulp brightness and preventing decomposition of bleaching chemicals.
• Oilfield Applications: Functions as a scale inhibitor in squeeze treatments to prevent mineral scale deposition in wellbores and production equipment.
• Personal Care Products: Incorporated in certain formulations as a chelating agent to stabilize products and enhance preservative efficacy.

Basic Information

Product Name	n-(Carboxymethyl)-n-(1,1-Diphosphonoethyl)Glycine
CAS No.	55339-20-3
Molecular Formula	C7H15NO10P2
Molecular Weight	335.14 g/mol
Synonyms	N-(Carboxymethyl)-N-(1,1-diphosphonoethyl)glycine; Glycine, N-(carboxymethyl)-N-(1,1-diphosphonoethyl)-; DPA-1; 1,1-Diphosphonoethyl Glycine N,N-Diacetic Acid; Phosphonoglycine; Amino tris(methylenephosphonic acid) glycine derivative; ATMP-Glycine; Chelating Agent DPA
EINECS	259-597-3

Quality Control

Our n-(Carboxymethyl)-n-(1,1-Diphosphonoethyl)Glycine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity and performance. We provide a detailed Certificate of Analysis (COA) with key parameters including assay, phosphonate content, and impurity profiles. Our quality commitment supports applications requiring reliable and traceable raw materials.

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). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Active Content (as acid)	≥ 98.0%
Phosphorus Content	18.0 - 19.0 %
pH (1% Solution)	1.5 - 3.0
Water Content	≤ 2.0%
Chloride (as Cl)	≤ 0.1%

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