Description

[1-Hydroxy-2-(2-Pyridinyl)Ethylidene]Bis(Phosphonic Acid) is a specialized organophosphorus compound featuring a pyridine backbone, which imparts unique chelating and metal-binding properties. This chemical is a critical intermediate and functional additive valued for its ability to form stable complexes with a wide range of metal ions. It is essential for researchers and manufacturers in industries requiring precise metal ion control, scale inhibition, or advanced material synthesis. Our supply ensures high purity and consistent quality to meet the stringent demands of these technical applications.

Application

• Water Treatment: Acts as a highly effective scale and corrosion inhibitor in industrial cooling and boiler water systems, particularly for controlling calcium, magnesium, and iron scales.
• Metal Surface Treatment: Used in metal cleaning, pickling, and plating formulations to sequester interfering metal ions and improve process efficiency.
• Detergent & Cleaning Agents: Serves as a builder and chelating agent in industrial and institutional cleaning formulas to inactivate water hardness ions.
• Pharmaceutical Intermediates: Employed in the synthesis of novel active pharmaceutical ingredients (APIs) and diagnostic agents that require specific metal-chelating motifs.
• Agricultural Chemicals: Functions as a micronutrient carrier or a component in pesticide formulations to enhance bioavailability and stability.
• Research & Development: A valuable ligand in coordination chemistry for catalysis, material science, and the development of new metal-organic frameworks (MOFs).
• Oilfield Chemicals: Utilized in drilling and production fluids to prevent scale deposition in downhole equipment and pipelines.
• Pulp & Paper Industry: Applied in bleaching and process water systems to chelate metal ions that can catalyze the degradation of cellulose or interfere with bleaching agents.

Basic Information

Product Name	[1-Hydroxy-2-(2-Pyridinyl)Ethylidene]Bis(Phosphonic Acid)
CAS No.	105462-23-5
Molecular Formula	C7H11NO7P2
Molecular Weight	283.11 g/mol
Synonyms	1-Hydroxy-2-(2-pyridyl)ethylidenediphosphonic Acid; 2-Pyridineethanol, 1,1-diphosphonic acid; Dequest 2060S (Trade Name); PBHPAA; (1-Hydroxy-2-(pyridin-2-yl)ethylidene)bis(phosphonic acid); 2-Pyridyl-1-hydroxyethylidene-1,1-diphosphonic acid; PHEDP; HEDP-Py
EINECS	Contact for details

Quality Control

Every batch of [1-Hydroxy-2-(2-Pyridinyl)Ethylidene]Bis(Phosphonic Acid) is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with industry standards and customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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 stability.

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.