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Sodium Citrate
Sodium Citrate

Sodium Citrate

Sodium citrate is also known as sodium citrate, the product is a colorless crystal or white crystalline powder product, odorless, salty, cool. The crystal water is lost at 150 ° C and decomposes at higher temperatures. Slightly deliquescent in wet air, weathering in hot air, soluble in water, insoluble in ethanol.

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Chemical Information:

  • Chemical Formula: Na₃C₆H₅O₇
  • Molecular Weight: 258.07 g/mol
  • Appearance: White, crystalline powder or granules
  • Solubility: Highly soluble in water, slightly soluble in alcohol
  • pH: Typically alkaline when dissolved in water

    Applications:

    1. Food Industry:

      • Acts as a preservative and flavoring agent.
      • Used to control acidity in beverages and foods (e.g., soft drinks, dairy products, and jams).
      • Often labeled as E331 in food additives.

    2. Pharmaceuticals:

      • Serves as a buffering agent to maintain pH in medicines.
      • Used in oral rehydration salts and as an anticoagulant in blood collection tubes.

    3. Cosmetics and Personal Care:

      • Stabilizes the pH of products like creams and lotions.

    4. Industrial Use:

      • Acts as a builder in detergents and cleaning products.
      • Helps chelate metal ions in various chemical processes.

    Safety and Handling:

    • Storage: Keep in a dry, cool place in a sealed container.
    • Hazards: Generally regarded as safe (GRAS), but excessive ingestion may cause stomach upset.

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