Description

Benzylmethylenediphosphonic Acid is a high-purity organophosphorus compound valued for its exceptional chelating and scale inhibition properties. This chemical is critical for industries requiring precise control over metal ions and mineral deposition in complex aqueous systems. It is primarily utilized by formulators in water treatment, oilfield chemicals, and industrial cleaning applications where performance and reliability are paramount.

Application

• Water Treatment: Acts as a highly effective scale and corrosion inhibitor in cooling water, boiler water, and reverse osmosis systems.
• Oilfield Chemicals: Used in scale squeeze treatments and as a component in drilling fluid additives to control barium sulfate and calcium carbonate scaling.
• Industrial Cleaning: Serves as a key chelant in acidic and alkaline cleaning formulations for industrial equipment and membranes.
• Pulp & Paper Processing: Functions as a chelating agent in bleaching processes and to control metal-ion catalyzed decomposition of peroxides.
• Textile Processing: Employed as a stabilizer and sequestrant in dyeing and bleaching baths to improve process consistency.
• Personal Care: Used in select formulations as a stabilizing agent for peroxides and other active ingredients.

Basic Information

Product Name	Benzylmethylenediphosphonic Acid
CAS No.	10596-19-7
Molecular Formula	C8H12O6P2
Molecular Weight	266.13 g/mol
Synonyms	Benzylmethylenediphosphonic Acid; (Phenylmethyl)methylenediphosphonic Acid; 1-Hydroxy-3-phenylpropane-1,1-diyldiphosphonic Acid; BPMD; BMDP; PBMPA; Benzyl Methylene Diphosphonate; CAS 10596-19-7
EINECS	234-207-8

Quality Control

Our Benzylmethylenediphosphonic Acid is manufactured under a rigorous quality management system. Every batch is analyzed to ensure it meets stringent specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) documenting all critical parameters is provided with each shipment to guarantee traceability and 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) and should be kept under dry conditions to prevent caking or degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (Titration)	≥ 95.0 %
Water Content (KF)	≤ 2.0 %
pH (1% aqueous solution)	1.5 - 3.0
Iron (Fe)	≤ 50 ppm
Chloride (Cl)	≤ 100 ppm

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