Description

(3-Hydroxypropan-1-Yl-3-Ylidene)Trisphosphonic Acid is a specialized organophosphorus compound characterized by its unique structure containing multiple phosphonic acid groups. This compound matters for its powerful chelating and scale inhibition properties, making it a critical performance additive in demanding industrial water treatment and process chemistry applications. Industries that require precise control over metal ions and mineral scaling, such as cooling water systems, oilfield operations, and industrial cleaning, need this high-performance phosphonate.

Application

• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling towers, boilers, and reverse osmosis systems, particularly effective against calcium carbonate and sulfate scales.
• Oilfield Chemistry: Used in scale squeeze treatments and as a component in drilling and completion fluids to control mineral deposition in downhole equipment and formations.
• Metal Surface Treatment: Serves as a chelating agent and stabilizer in metal cleaning, pickling, and plating baths to control free metal ions and improve process efficiency.
• Pulp & Paper Manufacturing: Functions as a dispersant and sequestrant to control metal ions that can catalyze peroxide decomposition and affect pulp brightness.
• Textile Processing: Utilized as a stabilizer and sequestrant in bleaching and dyeing processes to improve color consistency and fabric quality.
• Industrial & Institutional Cleaning: Incorporated into heavy-duty detergent and cleaner formulations for its superior chelation of hard water ions, enhancing surfactant performance.

Basic Information

Product Name	(3-Hydroxypropan-1-Yl-3-Ylidene)Trisphosphonic Acid
CAS No.	51556-88-8
Molecular Formula	C3H11O10P3
Molecular Weight	300.05 g/mol
Synonyms	1-Hydroxy-1,3-propanediylbis(phosphonic acid); 1-Hydroxypropane-1,3-diylbis(phosphonic acid); HEDP-HP (Hydroxyethylidene Diphosphonic Acid - High Purity); Phosphonic acid, P,P',P''-[1-hydroxy-1,3-propanediyl]tris-; PBTC precursor; 3-Hydroxy-1,3-propanediyltris(phosphonic acid); (3-Hydroxy-1,3-propanediyl)trisphosphonic acid
EINECS	257-282-0

Quality Control

Our (3-Hydroxypropan-1-Yl-3-Ylidene)Trisphosphonic Acid is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with every shipment to guarantee compliance with your technical requirements.

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 when not in use to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (1% aqueous solution)	1.5 - 3.0
Iron (Fe)	≤ 10 ppm
Chloride (Cl)	≤ 50 ppm

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