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Sodium citrate

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Identification
Molecular formula
Na3C6H5O7
CAS number
68-04-2
IUPAC name
trisodium;citrate
State
State

At room temperature, sodium citrate is typically in a solid state, appearing as a white crystalline powder.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
308.00
Boiling point (Kelvin)
581.15
General information
Molecular weight
258.07g/mol
Molar mass
258.0690g/mol
Density
1.7000g/cm3
Appearence

Sodium citrate is a white, crystalline powder that is odorless and has a cooling, saline taste. It is highly soluble in water, giving rise to a clear solution.

Comment on solubility

Solubility of Trisodium Citrate (Na3C6H5O7)

Trisodium citrate is known for its high solubility in water, making it a versatile compound in various applications. Here are some critical points about its solubility:

  • Highly Soluble: Trisodium citrate readily dissolves in water, resulting in a clear solution.
  • Temperature Effects: Its solubility increases with temperature, which can be advantageous in certain applications. As temperature rises, the solute solubility tends to improve.
  • pH Dependency: The solubility can vary depending on the pH of the solution. Typically, it remains soluble in neutral to slightly alkaline solutions.
  • Use in Medicine: With its excellent solubility, trisodium citrate is often utilized in medical applications, such as anticoagulants and buffering agents.

In summary, the solubility of trisodium citrate is characterized by its effective dissolution in water, influenced by temperature and pH levels, making it a crucial compound in both food and pharmaceuticals.

Interesting facts

Interesting Facts About Trisodium Citrate

Trisodium citrate, often hailed for its versatile applications, is a fascinating compound that holds a significant place in both the culinary and scientific worlds. Below are some intriguing points about this compound:

  • Food Industry Usage: Trisodium citrate is widely used as a food additive, primarily as a preservative and flavoring agent. It acts as a buffering agent, helping to maintain the pH balance in various food products.
  • Medical Applications: In the medical field, trisodium citrate is utilized as an anticoagulant in blood transfusions and for various laboratory tests, ensuring the stability of blood samples and minimizing clotting.
  • Essential for Metabolism: This compound plays a crucial role in the citric acid cycle (Krebs cycle), a key metabolic pathway that produces energy through the oxidation of acetyl-CoA, highlighting its significance in biochemistry.
  • Buffering Capacity: Trisodium citrate's ability to stabilize pH levels makes it invaluable in biochemical experiments, where maintaining a specific pH is crucial for enzyme activity and stability.
  • Effervescent Solutions: When mixed with acids, trisodium citrate can create effervescent solutions, leading to a fizzy reaction that can be enjoyed in beverages.

As a compound, trisodium citrate serves as a remarkable connector between chemistry, nutrition, and health. Its multifaceted roles exemplify how a single chemical substance can have diverse applications in our daily lives. As the renowned chemist, Linus Pauling once said, "The best way to have a good idea is to have lots of ideas," and trisodium citrate certainly embodies this principle!

Given its broad relevance, trisodium citrate is a compound that showcases the interplay between chemistry and various sectors, making it a charming subject for both chemistry students and professionals alike.

Synonyms
Sodium citrate
68-04-2
TRISODIUM CITRATE
Sodium citrate anhydrous
Citrosodine
Natrocitral
sodium citrate, anhydrous
Citric acid, trisodium salt
Trisodium citrate, anhydrous
Citric acid trisodium salt
anhydrous sodium citrate
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt
Sodium 2-hydroxypropane-1,2,3-tricarboxylate
Trisodium citrate anhydrous
FEMA No. 3026
CCRIS 3293
Sodium citrate (Na3C6H5O7)
Sodium citrate,anhydrous
HSDB 5201
trisodium-citrate
Anhydrous trisodium citrate
UNII-RS7A450LGA
tri-sodium citrate
EINECS 200-675-3
Bicitra
Pneucid
Trisodium 2-hydroxy-1,2,3-propanetricarboxylate
trisodium 2-hydroxypropane-1,2,3-tricarboxylate
994-36-5
CHEBI:53258
trisodium;2-hydroxypropane-1,2,3-tricarboxylate
RS7A450LGA
INS NO.331(III)
INS-331(III)
EC 200-675-3
E-331(III)
MFCD00012462
FEMA NO. 3026, ANHYDROUS-
CITRIC ACID, SODIUM SALT
Citrosodina
Citnatin
Citreme
Citrosodna
EINECS 213-618-2
Sodium citrate hydrous
Natrii citras, dehydrate
E 331
Sodium 2-hydroxy-1,2,3-propanetricarboxylate
UNII-68538UP9SE
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, sodium salt
EINECS 242-734-6
C6H5Na3O7
EC 242-734-6
Oracit
Natrii citras
sodium citrate salt
Albright's Solution
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, sodium salt (1:3)
sodium (iii) citrate
Sodium citrate (USP)
Modified Shohl's Solution
Anticoagulant Sodium Citrate
1Q73Q2JULR
CHEMBL1355
SODIUM CITRATE (II)
SODIUM CITRATE [MI]
Citrate Concentrated Solution
DTXSID2026363
SODIUM CITRATE (USP-RS)
SODIUM CITRATE [WHO-IP]
2-Hydroxy-1,2,3-propanetricarboxylic acid, trisodium salt
Citric acid sodium salt anhydrous
Citric acid trisodium salt, 99%
SODIUM CITRATE, UNSPECIFIED
NATRII CITRAS [WHO-IP LATIN]
SODIUM CITRATE (USP IMPURITY)
AKOS015915009
DB09154
FT01206
SODIUM CITRATE ANHYDROUS [HSDB]
ANHYDROUS TRISODIUM CITRATE [II]
SODIUM CITRATE, UNSPECIFIED FORM
SODIUM CITRATE,ANHYDROUS [VANDF]
8055-55-8
AC-15008
E331
Sodium citrate dihydrate USP Fine Granular
SODIUM CITRATE, ANHYDROUS [WHO-IP]
NS00077225
EN300-74572
D05855
D77308
ANHYDROUS TRISODIUM CITRATE [USP MONOGRAPH]
Q409728
Citric acid trisodium salt, anhydrous, >=98% (GC)
Citric acid trisodium salt, Vetec(TM) reagent grade, 98%