Sodium citrate is a multifunctional and safe additive in the food, pharmaceutical, and chemical industries, used as a pH regulator, antioxidant, emulsifier, and stabilizer. This compound is the sodium salt of citric acid and, due to its mild taste, high solubility, and buffering capacity, plays a key role in dairy products, beverages, and meat products. Chabok‑Andishan Pishro Arya (All Chem) supplies food‑grade sodium citrate with high purity and guaranteed quality in accordance with international standards.
Sodium citrate (C₆H₅Na₃O₇·2H₂O) is produced as a white crystalline powder, odorless, with a mildly salty‑tart taste. It is obtained by neutralizing citric acid with sodium hydroxide or sodium carbonate and acts as a strong buffer in aqueous environments. Sodium citrate enhances the stability of food formulations by preventing oxidation and phase separation, and in dairy products and beverages it prevents curdling or precipitation.
Applications
Food Industry
- pH regulator and buffering agent in dairy, soft drinks, and sauces
- Emulsifier and stabilizer in processed cheese, cream, and ice cream
- Prevents discoloration and oxidation in fruit beverages
- Improves shelf stability and taste in processed meats
Pharmaceutical Industry
- Used as an alkalizing and buffering agent in injectable and oral formulations
- pH control agent in syrups and effervescent powders
Other Industries
- Water softener and builder in detergents
- pH stabilizer in cosmetics and personal care formulations
Scientific Name: Sodium Citrate
Chemical Formula: C₆H₅Na₃O₇·2H₂O
CAS Number: 6132-04-3
Molecular Weight: 294.1 g/mol
Origin: Synthetic (from Citric Acid Neutralization)
Appearance: White crystalline or granular powder
Taste: Mildly salty and sour
pH (1% solution): 7.0–9.0
Moisture: ≤11%
Density: ~0.85 g/cm³
Solubility: Freely soluble in water
Melting Point: Decomposes before melting (~300°C)
Excellent buffering and pH control
Prevents curdling and phase separation in dairy products
Mild flavor, neutral color, and odor
High water solubility
Safe and approved under E331 standard
Suitable for food, pharmaceutical, and cosmetic industries
Categories: Food Industry
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