Hexanediaminetetra(methylenephosphonic acid)

Hexanediaminetetra(methylenephosphonic acid) , also known as CAS 23605-74-5 , is a phosphonate chelating agent used to control scale formation and metal ion interference. It is highly effective in industrial water systems and process fluids.

Its strong calcium and heavy metal binding capacity makes it a preferred choice where conventional chelants underperform. It remains stable and effective even at elevated temperatures or under high hardness conditions.

In industrial water treatment, it inhibits calcium carbonate, calcium sulfate, and barium sulfate scale deposition. This is critical for the maintenance of cooling towers, boilers, and reverse osmosis systems.

Oil and gas producers use it in injection water and produced water handling to prevent mineral scaling. This protection extends to pipelines and downhole equipment, ensuring efficient extraction and transport.

Textile and leather processing operations rely on it to sequester hardness ions during dyeing and finishing. This process protects colorant consistency and maintains the overall stability of the chemical bath.

In paper manufacturing, it controls metal ions that would otherwise catalyze peroxide decomposition during bleaching sequences. This ensures the efficiency of the bleaching process and the quality of the final product.

The product is supplied as an aqueous solution, typically at concentrations around 30–40% active content. It is available in technical grade for industrial applications requiring high-performance sequestration.

Bulk supply is standard in intermediate bulk containers (IBCs) and drums for easy handling. Larger quantities are available in isotanks for high-volume industrial procurement and global logistics needs.

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