Description

m-Xylylenediphosphonic Acid CAS NO 144052-40-4 is an organophosphorus compound featuring a meta-xylylene backbone linked to two phosphonic acid groups. This structure makes it a highly effective chelating agent and scale inhibitor, crucial for controlling metal ion precipitation and corrosion in industrial water systems. It is primarily utilized by manufacturers and formulators in the water treatment, detergent, and personal care industries seeking advanced performance additives.

Application

• Industrial Water Treatment: Acts as a superior scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis systems.
• Detergent & Cleaning Formulations: Serves as a powerful builder and sequestrant to enhance cleaning efficiency by inactivating water hardness ions.
• Personal Care Products: Used as a stabilizing and chelating agent in cosmetics and toiletries to improve product shelf life and performance.
• Pulp & Paper Processing: Functions as a dispersant and chelant to control metal ions and improve bleaching efficiency.
• Textile Auxiliaries: Employed in dyeing and finishing processes to prevent metal-ion catalyzed degradation and improve color fastness.
• Oilfield Chemicals: Applied in scale squeeze treatments and as a component in drilling fluids to prevent mineral scale deposition.
• Metal Surface Treatment: Used in pickling and plating baths to control metal ions and prevent undesirable precipitation.
• Research & Chemical Synthesis: Serves as a key intermediate or ligand in the development of new materials and catalysts.

Basic Information

Product Name	m-Xylylenediphosphonic Acid
CAS No.	144052-40-4
Molecular Formula	C8H12O6P2
Molecular Weight	266.13 g/mol
Synonyms	m-Xylylenediphosphonic Acid; 1,3-Phenylenebis(methylenephosphonic acid); m-Xylylene diphosphonic acid; m-XDPA; (Phosphonomethyl)benzene-1,3-diylbis(methylene) diphosphonic acid; Benzene-1,3-dimethanediylbis(phosphonic acid); m-Phenylenedimethylenediphosphonic acid; MXDP
EINECS	Contact for details

Quality Control

Our m-Xylylenediphosphonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile determination, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting these results are provided and available upon request to support your quality assurance and regulatory needs.

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). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (1% aqueous solution)	2.0 - 4.0
Heavy Metals (as Pb)	≤ 20 ppm

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