Sodium citrate (Е331)
Sodium citrate (Е331)
Sodium citrate (Е331)
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  • Sodium citrate (Е331)
  • Sodium citrate (Е331)
  • Sodium citrate (Е331)

Sodium citrate (Е331)

Sodium citrate is produced by neutralizing corn citric acid with high-purity sodium salt, filtering, decolorizing, adjusting pH, concentrating, crystallizing, separating, and drying. It is an internationally coded food additive E331. It is allowed to be consumed in all countries of the world and is recognized as harmless to the human body. Trisodium citrate dihydrate(Na3C6H5O7•2H2O)is the most popular among users because of its high content of basic ingredients and its high suitability for long-term storage.
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Physicochemical Property

The chemical name of sodium citrate is trisodium 2-hydroxypropane-1,2,3-tricarboxylate, the molecular formula is Na3C6H5O7, and the density is 1.7 g/cm3. It is a colorless crystal or white crystalline powder. It has a pleasant sour and salty taste and no odor. It is very soluble in water, insoluble in ethanol, loses crystal water at 150 °C, and melts at 300 °C.

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Product application

Sodium citrate can be used as an acidity regulator, chelating agent, stabilizer, surfactant or emulsifier, buffering compound, flavor enhancer, preservative, color stabilizer, complexing agent, dispersant, molten salt, synergist, antioxidant in the food industry.It is also used in the pharmaceutical industry to produce drugs for treating urinary and reproductive system infections, heartburn, and dehydration.It is used in medicine to treat cystitis and renal acidification dysfunction, and is also a blood anticoagulant.It is used in the cosmetics industry to regulate the acidity and foam level in shampoo, lotion, facial tonic and soap.In the detergent industry, sodium tripolyphosphate can be used as an environmentally friendly additive to produce biodegradable detergents.

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Product features

Sodium citrate can give food a special full taste (sometimes spicy), adjust pH and prevent pH changes, enhance the effect of vitamin C, and extend the shelf life of food. It actively participates in human metabolism, protects cells from free radicals, and regulates water electrolyte and acid-base balance. It does not burn, explode, is harmless, and does not irritate the skin. It can be transported by any means of transportation. It has low hygroscopicity in humid air, which facilitates long-term storage.

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Product specifications

Crystal or powder

Trisodium Citrate Dihydrate(Na3C6H5O7•2H2O)、Trisodium Citrate Anhydrous(Na3C6H5O7)。

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