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Help CenterDihydrate-Dodecahydrate-Anhydrous-Di Sodium Phosphate-E339(ii)
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Disodium hydrogen phosphate is a highly versatile phosphate. Its primary functions are mainly based on its weak alkalinity and excellent buffering capacity.
Main Uses
Food Industry: acidity regulator (buffer), emulsifier, quality improver, nutrition enhancer.
Industrial Sector: water softener, pH regulator, corrosion inhibitor, detergent additive, fabric weight enhancer, flame retardant, chemical raw material.
Scientific Research and Pharmaceuticals: preparation of buffer solutions, components of bacterial culture media, pharmaceutical excipients (such as acidifying urine, supplementing phosphorus).
Food Industry: Guardian of Quality Stability
In food processing, disodium hydrogen phosphate primarily utilizes its buffering and emulsifying properties to quietly ensure food quality:
Dairy Stabilizer: In the production of condensed milk and evaporated milk, it is a classic stabilizer that effectively prevents protein coagulation during high-temperature sterilization, ensuring a smooth and delicate taste. It is also used in products like cheese as an emulsifier to help emulsify fat and water, improving texture.
pH Regulator: As a buffer, it can stably maintain the acidity and alkalinity of food, preventing oxidation and color changes caused by pH fluctuations, commonly used in beverages, jellies, and other products.
Quality Improver: In baked goods, it is one of the components in compound leavening agents; in meat products, it helps retain moisture and tenderness.
Industrial Sector: Expert in Water Treatment and Production
In industrial production, it mainly functions through its ability to chelate metal ions and regulate pH:
Water Treatment: This is one of its core industrial uses. As a water softener and corrosion inhibitor, it chelates calcium and magnesium ions in water, preventing scale formation in boilers and cooling water pipes and reducing metal corrosion.
Textile and Dyeing: In the textile industry, it can be used as a dyeing aid to adjust the pH of dye baths, improve dye uptake and color fastness; it can also act as a fabric weight enhancer, improving the texture of fabrics.
Surface Treatment and Cleaning: In metal plating or phosphating processes, it often serves as a buffer; in industrial cleaning agents, it works as an additive to enhance cleaning efficiency.
Other Industrial Uses: It is also a raw material for producing sodium pyrophosphate and other chemical products, and can be used as a **flame retardant** for wood and paper, as well as a glaze for ceramics.
Scientific Research, Pharmaceuticals, and Other Fields: Professional and Precise Assistant
Biochemistry and Laboratory: It is a key reagent for preparing buffer solutions in laboratories, widely used in various biochemical experiments. It is also an essential nutrient component for preparing **bacterial culture media** and **antibiotic culture media** (such as those used in the production of MSG, penicillin, etc.).
Pharmaceutical Field: Medically, it can serve as a pharmaceutical excipient. In oral preparations, it can be used to acidify urine (usually combined with monosodium phosphate) or as a phosphorus supplement to treat hypophosphatemia.
Other Fields: In agriculture, it can be used to supplement phosphorus in liquid fertilizers; in the daily chemical industry, it serves as an additive in synthetic detergents.
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