Description

Propylenediphosphonicacid CAS NO 4671-82-3 is a high-purity organophosphorus compound valued for its excellent chelating and scale inhibition properties. This chemical is critical for industrial processes requiring precise control over metal ions and mineral deposition. It is primarily utilized by manufacturers and formulators in the water treatment, detergent, and oilfield chemical industries.

Application

• Industrial Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling water, boiler water, and reverse osmosis systems.
• Detergent & Cleaning Formulations: Serves as a superior builder and sequestrant to enhance cleaning power by controlling water hardness ions like calcium and magnesium.
• Oilfield Chemicals: Used in scale squeeze treatments and as a component in drilling fluids to prevent carbonate and sulfate scale formation in wells and pipelines.
• Pulp & Paper Processing: Functions as a chelant in bleaching processes and as a dispersant to control deposits.
• Textile Auxiliaries: Employed in scouring and dyeing processes to sequester metal ions that can interfere with treatment uniformity and fabric quality.
• Personal Care Products: Incorporated as a stabilizing agent in formulations where chelation is required to maintain product integrity.

Basic Information

Product Name	Propylenediphosphonicacid
CAS No.	4671-82-3
Molecular Formula	C3H10O6P2
Molecular Weight	204.05 g/mol
Synonyms	1,3-Propylenediphosphonic Acid; Propane-1,3-diphosphonic Acid; PDPhA; 1,3-Propanediphosphonic Acid; Phosphonic acid, P,P'-(1,3-propanediyl)bis-; Dequest 2060S (trade name); UNII-8V71L1X0QD
EINECS	225-123-8

Quality Control

Our Propylenediphosphonicacid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) documenting key parameters is provided with each shipment to guarantee consistency and 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 room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (Titration)	≥ 95.0 %
Water Content	≤ 2.0 %
pH (1% aqueous solution)	1.5 - 3.0

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