Description

o-Xylylenediphosphonic Acid is a high-purity organophosphorus compound characterized by its bifunctional chelating structure. This chemical is valued for its strong metal-chelating and scale-inhibiting properties, making it a critical component in advanced water treatment and industrial process formulations. It is primarily utilized by manufacturers in the water treatment, detergent, and specialty chemical synthesis sectors seeking effective and stable performance under demanding conditions.

Application

• Scale and Corrosion Inhibitor in industrial cooling water, boiler water, and reverse osmosis systems.
• Chelating Agent in detergent and cleaning formulations to sequester calcium and magnesium ions.
• Metal Surface Treatment for passivation and as a component in electroplating baths.
• Chemical Intermediate in the synthesis of more complex phosphonate derivatives and functional materials.
• Mineral Processing agent used as a dispersant and anti-scalant.
• Textile and Pulp & Paper Processing to control metal ions that can interfere with bleaching and dyeing processes.

Basic Information

Product Name	o-Xylylenediphosphonic Acid
CAS No.	42104-58-5
Molecular Formula	C8H12O6P2
Molecular Weight	266.13 g/mol
Synonyms	o-Xylylenediphosphonic Acid; 1,2-Phenylenebis(methylenephosphonic acid); (1,2-Phenylene)dimethylenediphosphonic acid; o-Xylylenediphosphonate; o-XDPA; o-Xylenediphosphonic Acid; Benzene-1,2-dimethanediylbis(phosphonic acid); o-Phenylenedimethylenebis(phosphonic acid)
EINECS	Contact for details

Quality Control

Our o-Xylylenediphosphonic Acid is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting purity, physical properties, and test results are provided with every shipment.

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 container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (1% aqueous solution)	2.0 - 4.0
Heavy Metals (as Pb)	≤ 10 ppm

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