Recently, sodium citrate, known as an "all-round auxiliary agent" in the chemical industry, has continued to play a pivotal role in multiple sectors including food, pharmaceuticals, daily chemicals, and industry, thanks to its mild properties and diverse functions, becoming a key raw material driving high-quality industrial development. Its safety, dual-certified by the Food and Agriculture Organization (FAO) and the World Health Organization (WHO), further aligns with the modern society's demand for environmentally friendly chemical materials.

In the food industry, sodium citrate serves as a core additive integrating flavoring, preservation, and stabilization. It not only regulates the pH of products such as beverages and jams to optimize taste and gelling effects but also inhibits microbial growth, improves water retention in meat products when combined with phosphates, and prevents oil rancidity and can discoloration by chelating metal ions. In the pharmaceutical field, it is not only a commonly used anticoagulant in clinical blood transfusion and blood testing, inhibiting coagulation by chelating calcium ions, but also can be used as a pharmaceutical excipient to improve solubility and stability, and gently neutralize gastric acid to relieve stomach discomfort.

In daily chemical products, the mild and skin-friendly characteristics of sodium citrate are highly favored. In detergents, it softens water, enhances decontamination power with minimal residue; in skin care products and toothpaste, it adjusts the pH value to match the human physiological environment, with both moisturizing and caring effects. In industrial scenarios, its environmental advantages are prominent: preventing scaling and pipeline corrosion in water treatment, improving coating quality in electroplating, and optimizing dyeing results in printing and dyeing, achieving the unity of functionality and environmental protection.

Notably, sodium citrate is non-toxic and non-irritating. It can be metabolized into carbon dioxide and water in the human body and degraded by microorganisms in the environment, truly achieving "green safety". With the upgrading demand for efficient and environmentally friendly raw materials in various industries, its application scenarios are continuously expanding.

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