Sodium dihydrogen phosphate dihydrate

Sodium dihydrogen phosphate dihydrate (CAS 13472-35-0 ), also known as monosodium phosphate (MSP), is an inorganic phosphate salt used across food, pharmaceutical, and industrial processing as a pH buffer and sequestrant.

Its reliable buffering capacity and chelating action make it a standard input wherever precise acidity control or metal ion management is required. In water treatment, MSP controls scale formation and corrosion.

It works by sequestering calcium and magnesium ions in boiler and cooling water systems. Food manufacturers use it as a buffering and stabilizing agent in processed cheeses, beverages, and meat products.

In these applications, consistent pH directly affects texture and shelf life. Pharmaceutical formulators incorporate it into parenteral solutions, topical preparations, and oral dosage forms requiring buffer systems.

In industrial cleaning and surface treatment, it functions as a chelating agent to prevent metal ion interference during processing. Sodium dihydrogen phosphate dihydrate is available as a white crystalline powder.

Food-grade material is supplied to FCC specifications, while pharmaceutical-grade product meets USP , BP , and Ph. Eur. standards. Technical grade is also available for industrial applications.

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