Description
Tri-sodium citrate dihydrate is often simply referred to as sodium citrate, is a sodium salt of citric acid with the chemical formula Na3C6H5O7·2H2O.
Tri-Sodium Citrate Dihydrate For Analysis Emparta ACS by: Merck Life Science Private Limited, Mumbai.
- Ammonia: NMT 0.003 %
- Iron: NMT 0.0005 %
- Calcium: NMT 0.005 %
- Heavy Metals: NMT 0.0005 %
- Packaging Size: 500 gm
- Sulfate: NMT 0.005 %
- Chloride: NMT 0.003 %
- Test Solution: The solution is clear and colorless
- Identity: Na: Conforms, C6H5O7: Conforms
- Assay: NLT 99 %
- Insoluble Matter: NMT 0.005 %
- pH-Value: 7 To 9
- Appearance: Colorless crystals or white crystalline powder
- Brand: Merck
- Made in India
Tri-sodium citrate dihydrate, often simply referred to as sodium citrate, is a sodium salt of citric acid with the chemical formula Na3C6H5O7·2H2O. It is a white crystalline powder that is highly soluble in water. Here’s some information about it:
Chemical Properties:
Sodium citrate is a trisodium salt of citric acid, which means it contains three sodium ions for every citrate ion. Its chemical structure gives it chelating and buffering properties.
Applications of Trisodium Citrate Dihydrate :
Food and Beverage Industry: Sodium citrate is commonly used as a food additive, primarily as an acidity regulator and preservative. It is often used to control pH and enhance flavor in various food and beverage products, such as soft drinks, candies, jams, and dairy products like cheese.
- Medical Applications: It is used in medicine as an anticoagulant, particularly in blood collection tubes for coagulation testing. It prevents the blood from clotting by binding calcium ions.
Laboratory Use: Sodium citrate is utilized in biochemical and molecular biology research as a buffering agent and to maintain pH in various solutions and media.
Pharmaceuticals: It is used in certain pharmaceutical formulations as a stabilizer, emulsifier, or buffering agent.
Chelating Agent: Sodium citrate can chelate metal ions, particularly calcium and magnesium ions. This property makes it useful in various industrial processes, such as water treatment and metal cleaning, where it can sequester these ions and prevent them from interfering with chemical reactions or forming scale deposits.
Solubility: Sodium citrate is highly soluble in water, which makes it easy to dissolve and incorporate into various formulations.
Dihydrate Form: The “dihydrate” designation indicates that the compound contains two molecules of water (H2O) per formula unit. This water is loosely bound and can be released upon heating.
Safety of Tri-sodium citrate: Sodium citrate is generally recognized as safe (GRAS) by regulatory agencies when used by good manufacturing practices. However, excessive consumption may have laxative effects due to its ability to draw water into the intestines.
Overall, tri-sodium citrate dihydrate is a versatile compound with various industrial, pharmaceutical, and food-related applications, owing to its chelating, buffering, and preservative properties.
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