Description

[2-(3-Pyridinyl)Ethylidene-1,1]Bis(Phosphonic Acid) CAS NO 75755-10-1 is a specialized organophosphorus compound featuring a pyridinyl backbone, known for its strong chelating and metal-binding properties. This chemical is valued for its ability to inhibit scale formation and corrosion, making it a critical performance additive in demanding industrial water treatment and process systems. It is primarily sought by formulators and manufacturers in the water treatment, oilfield chemical, and specialty chemical synthesis sectors.

Application

• Industrial Water Treatment: A key component in high-performance scale and corrosion inhibitor formulations for cooling towers, boilers, and reverse osmosis systems.
• Oilfield Chemicals: Used as a chelating agent in scale squeeze treatments and as an additive in drilling and completion fluids to control mineral deposition.
• Metal Surface Treatment: Functions as a corrosion inhibitor and sequestrant in metal cleaning, pickling, and plating baths.
• Detergent & Cleaning Formulations: Acts as a builder and chelant to enhance cleaning efficiency by controlling water hardness ions.
• Chemical Synthesis: Serves as a versatile intermediate or ligand in the synthesis of more complex organophosphorus compounds and metal-organic frameworks (MOFs).
• Pulp & Paper Industry: Employed in process water systems to prevent scale formation on equipment and improve operational efficiency.

Basic Information

Product Name	[2-(3-Pyridinyl)Ethylidene-1,1]Bis(Phosphonic Acid)
CAS No.	75755-10-1
Molecular Formula	C7H11NO6P2
Molecular Weight	267.11 g/mol
Synonyms	3-Pyridylethylidenebis(phosphonic acid); 2-(Pyridin-3-yl)ethylidene-1,1-diphosphonic acid; Dequest 2066 (Trade Name); 3-Pyridyl-1-hydroxyethylidene-1,1-diphosphonic acid; PBEPA; 3-PE1P; (3-Pyridinyl)ethane-1,1-diylbis(phosphonic acid); 1-Hydroxy-2-(3-pyridinyl)ethylidenediphosphonic acid
EINECS	Contact for details

Quality Control

Our production of [2-(3-Pyridinyl)Ethylidene-1,1]Bis(Phosphonic Acid) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including assay, impurity profiling, and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting purity, physical properties, and test results are 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); 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 to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (1% aqueous solution)	2.0 - 4.0

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