Description

(1,4-Phenylenedimethylidyne)Tetrakisphosphonic Acid is a high-purity, multi-dentate phosphonic acid derivative characterized by its unique phenyl-linked tetraphosphonate structure. This compound is a powerful chelating agent and scale inhibitor, offering superior performance in controlling metal ion precipitation and corrosion across demanding industrial processes. It is essential for manufacturers and formulators in the water treatment, detergent, and specialty chemical industries seeking advanced, stable, and effective phosphonate-based additives.

Application

• Industrial Water Treatment: As a highly effective threshold scale inhibitor and dispersant for calcium carbonate, sulfate, and phosphate scales in cooling towers, boilers, and reverse osmosis systems.
• Detergent & Cleaning Formulations: Acts as a superior builder and sequestrant to inactivate water hardness ions (Ca²⁺, Mg²⁺), enhancing the cleaning efficiency of industrial and institutional detergents.
• Oilfield Chemicals: Used in scale squeeze treatments and as a component in drilling fluid additives to prevent mineral scale deposition in downhole equipment and pipelines.
• Pulp & Paper Processing: Serves as a chelant in bleaching sequences and as a dispersant to control deposits, improving process efficiency and product quality.
• Textile Auxiliaries: Employed as a stabilizer and sequestrant in peroxide bleaching baths and dyeing processes to ensure consistent color and fabric quality.
• Metal Surface Treatment: Functions as a corrosion inhibitor and additive in pickling and plating baths to protect metal surfaces and improve finish quality.
• Personal Care Products: Incorporated as a stabilizing and chelating agent in certain cosmetic and personal care formulations to enhance product shelf life.
• Research & Chemical Synthesis: Utilized as a specialized ligand or building block in organic synthesis and materials science research, particularly for creating metal-organic frameworks (MOFs) or functional polymers.

Basic Information

Product Name	(1,4-Phenylenedimethylidyne)Tetrakisphosphonic Acid
CAS No.	108928-89-8
Molecular Formula	C8H14O12P4
Molecular Weight	414.10 g/mol
Synonyms	1,4-Phenylenebis(methylidynetetrakisphosphonic acid); Tetraphosphonomethyl-p-phenylenediamine; Phenylenedimethylidyne tetraphosphonate; PPDTPA; Phenyl-1,4-bis(methylenephosphonic acid) tetraphosphonic acid; Dequest 2041 (related trade series); BPHTP (abbrev.); 1,4-Bis(diphosphonomethyl)benzene
EINECS	Contact for details

Quality Control

Our (1,4-Phenylenedimethylidyne)Tetrakisphosphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance specifications. Certificates of Analysis (COA) documenting key parameters such as assay, phosphonate content, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Active Content (as P)	Contact for details
Water Content (KF)	≤ 2.0%
pH (1% Solution)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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