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Sodium Citrate
ZIO
Sodium Citrate is an organic acid salt derived from citric acid and sodium, commonly appearing as white crystalline granules or powder. It is odorless, has a slightly salty and sour taste, and is highly soluble in water. As an essential food additive and industrial raw material, sodium citrate is widely used in food & beverages, pharmaceuticals, detergents, and water treatment industries.
In the food industry, sodium citrate functions mainly as a buffering agent, emulsifier, stabilizer, and preservative. It helps regulate acidity, enhance flavor, and stabilize ingredients in beverages and dairy products. In the pharmaceutical sector, it is often used as an anticoagulant and acid-base regulator in injections and oral formulations.
Chemical Name: Sodium Citrate
Molecular Formula: C₆H₅Na₃O₇·2H₂O
CAS No.: 6132-04-3 (commonly as dihydrate)
Appearance: White crystalline granules or powder
Taste: Slightly salty and sour, odorless
Solubility: Easily soluble in water, insoluble in ethanol
pH Buffer Range: 3.0 – 6.2
Functions: Buffer, emulsifier, anticoagulant, preservative
Food & Beverages
Acidity regulator and flavor enhancer
Widely used in carbonated drinks, juices, and dairy products
Cheese processing as an emulsifying salt to improve texture
Pharmaceuticals
Used as an anticoagulant in blood transfusion and testing
Acid-base balance regulator, applied in metabolic acidosis treatment
Industrial & Household
Ingredient in detergents for improved cleaning power
Chelating agent in water treatment processes
Research & Laboratory
Buffering and stabilizing agent in various formulations
High Safety: Derived from natural citric acid
Versatile Use: Applicable in multiple industries
Easy Handling: High solubility for convenient use
Stable Quality: Excellent thermal and storage stability
Q1: Is sodium citrate safe?
A1: Sodium citrate is derived from natural citric acid and undergoes strict quality testing. It is safe for use in food, beverages, and pharmaceuticals.
Q2: What is the role of sodium citrate in food?
A2: It mainly serves as a buffering agent, emulsifier, and preservative, helping to improve taste and extend shelf life.
Q3: Can sodium citrate be used in pharmaceuticals?
A3: Yes, it is commonly used as an anticoagulant in blood transfusions and for acid-base balance regulation, but it must comply with medical standards.
Q4: Is sodium citrate soluble in water?
A4: Yes, it dissolves easily in water but is insoluble in alcohol, making it very convenient to use and formulate.
Q5: What industries use sodium citrate?
A5: It is widely applied in food and beverages, pharmaceuticals, detergent manufacturing, and water treatment.
Sodium Citrate is an organic acid salt derived from citric acid and sodium, commonly appearing as white crystalline granules or powder. It is odorless, has a slightly salty and sour taste, and is highly soluble in water. As an essential food additive and industrial raw material, sodium citrate is widely used in food & beverages, pharmaceuticals, detergents, and water treatment industries.
In the food industry, sodium citrate functions mainly as a buffering agent, emulsifier, stabilizer, and preservative. It helps regulate acidity, enhance flavor, and stabilize ingredients in beverages and dairy products. In the pharmaceutical sector, it is often used as an anticoagulant and acid-base regulator in injections and oral formulations.
Chemical Name: Sodium Citrate
Molecular Formula: C₆H₅Na₃O₇·2H₂O
CAS No.: 6132-04-3 (commonly as dihydrate)
Appearance: White crystalline granules or powder
Taste: Slightly salty and sour, odorless
Solubility: Easily soluble in water, insoluble in ethanol
pH Buffer Range: 3.0 – 6.2
Functions: Buffer, emulsifier, anticoagulant, preservative
Food & Beverages
Acidity regulator and flavor enhancer
Widely used in carbonated drinks, juices, and dairy products
Cheese processing as an emulsifying salt to improve texture
Pharmaceuticals
Used as an anticoagulant in blood transfusion and testing
Acid-base balance regulator, applied in metabolic acidosis treatment
Industrial & Household
Ingredient in detergents for improved cleaning power
Chelating agent in water treatment processes
Research & Laboratory
Buffering and stabilizing agent in various formulations
High Safety: Derived from natural citric acid
Versatile Use: Applicable in multiple industries
Easy Handling: High solubility for convenient use
Stable Quality: Excellent thermal and storage stability
Q1: Is sodium citrate safe?
A1: Sodium citrate is derived from natural citric acid and undergoes strict quality testing. It is safe for use in food, beverages, and pharmaceuticals.
Q2: What is the role of sodium citrate in food?
A2: It mainly serves as a buffering agent, emulsifier, and preservative, helping to improve taste and extend shelf life.
Q3: Can sodium citrate be used in pharmaceuticals?
A3: Yes, it is commonly used as an anticoagulant in blood transfusions and for acid-base balance regulation, but it must comply with medical standards.
Q4: Is sodium citrate soluble in water?
A4: Yes, it dissolves easily in water but is insoluble in alcohol, making it very convenient to use and formulate.
Q5: What industries use sodium citrate?
A5: It is widely applied in food and beverages, pharmaceuticals, detergent manufacturing, and water treatment.
