Description

(1-Phosphonoethenyl)Phosphonic Acid is a specialized organophosphorus compound featuring a unique bis-phosphonic acid structure. This molecular architecture makes it a highly effective chelating agent and scale inhibitor, crucial for managing water hardness and metal ion precipitation in demanding industrial systems. It is primarily sought by manufacturers in the water treatment, detergent, and textile processing industries for its superior sequestration performance and stability under harsh conditions.

Application

• Industrial Water Treatment: Acts as a powerful scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis systems.
• Detergent & Cleaning Formulations: Serves as a high-performance builder and sequestrant to enhance cleaning efficiency by inactivating calcium and magnesium ions.
• Textile Processing: Used as a chelating agent in dyeing and bleaching baths to prevent metal-ion interference and improve color fastness.
• Pulp & Paper Manufacturing: Employed to control scale formation and stabilize hydrogen peroxide in bleaching processes.
• Oilfield Applications: Functions as a scale inhibitor in squeeze treatments to prevent mineral deposits in wellbores and production equipment.
• Personal Care Products: Incorporated in formulations where effective chelation is required without compromising product stability.

Basic Information

Product Name	(1-Phosphonoethenyl)Phosphonic Acid
CAS No.	34162-79-3
Molecular Formula	C2H6O6P2
Molecular Weight	188.01 g/mol
Synonyms	Ethene-1,1-diphosphonic acid; Vinylidene-1,1-diphosphonic acid (VDPA); 1,1-Ethanediphosphonic acid; Ethenylidenebis(phosphonic acid); Dequest 2010; Unihib 106; Phosphonic acid, P,P'-ethenylidene bis-; (Ethene-1,1-diyl)bis(phosphonic acid)
EINECS	251-888-6

Quality Control

Our production of (1-Phosphonoethenyl)Phosphonic Acid adheres to stringent quality management protocols. Every batch is analytically verified to meet precise specifications for purity, active content, and impurity profiles. Certificates of Analysis (COA) documenting key parameters such as assay, pH, and clarity are provided to ensure traceability and batch-to-batch consistency for our industrial partners.

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 material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (by Titration)	≥ 95.0 %
pH (1% aqueous solution)	1.5 - 2.5
Water Content	≤ 2.0 %
Clarity of Solution	Clear

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