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Disodium citrate

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Identification
Molecular formula
Na2C6H6O7
CAS number
144-33-2
IUPAC name
disodium;3-carboxy-3-hydroxy-pentanedioate
State
State

At room temperature, disodium citrate is typically in a solid state as a powder or granular form.

Melting point (Celsius)
150.00
Melting point (Kelvin)
423.20
Boiling point (Celsius)
309.60
Boiling point (Kelvin)
582.80
General information
Molecular weight
214.10g/mol
Molar mass
214.1040g/mol
Density
1.9000g/cm3
Appearence

Disodium citrate typically appears as a white, crystalline powder or granules. It is odorless and has a slightly acidic taste. The compound is hygroscopic, meaning it can absorb moisture easily from the environment.

Comment on solubility

Solubility of Disodium 3-carboxy-3-hydroxy-pentanedioate

Disodium 3-carboxy-3-hydroxy-pentanedioate, with the formula Na2C5H6O5, is known for its interesting solubility properties. As a disodium salt of a dicarboxylic acid, its solubility can be influenced by various factors. Here are some key points regarding its solubility:

  • Solvent Compatibility: This compound is generally soluble in polar solvents such as water. This solubility is attributed to the ionic nature of the disodium salt, which interacts favorably with water molecules.
  • Temperature Influence: As temperature increases, the solubility of many salts, including this one, tends to increase. Thus, heating water may enhance the dissolution rate of disodium 3-carboxy-3-hydroxy-pentanedioate.
  • pH Considerations: The solubility can also be affected by the pH of the solution. In acidic environments, the protonation of carboxylate groups may decrease solubility.
  • Applications: Its solubility makes it useful in various applications, particularly in biochemical and pharmaceutical contexts where it may act as a buffering agent.

In summary, the solubility of disodium 3-carboxy-3-hydroxy-pentanedioate is significantly enhanced in polar solvents due to its ionic characteristics. It is vital to consider temperature and pH in practical applications, as these factors can greatly influence how readily this compound dissolves in solution.

Interesting facts

Interesting Facts about Disodium 3-Carboxy-3-Hydroxy-Pentanedioate

Disodium 3-Carboxy-3-Hydroxy-Pentanedioate, commonly known as disodium malate, is a fascinating compound that plays a significant role in various fields, including biochemistry, nutrition, and industrial applications. Here are some intriguing points about this compound:

  • Biological Significance: This compound is often involved in the citric acid cycle, which is crucial for energy production within cells. It's a vital intermediate that highlights the interconnectedness of metabolic pathways.
  • Nutritional Value: Disodium malate is not only a metabolite but also a flavor enhancer used in the food industry. It can improve the taste of certain products while providing additional health benefits.
  • Buffering Agent: In formulations, it acts as a buffering agent, helping to maintain the pH balance in various solutions, which is essential in both biochemical experiments and commercial products.
  • Health Potential: Some studies suggest that disodium malate may improve exercise performance and recovery times by assisting in reducing muscle fatigue.
  • Versatile Applications: Beyond its nutritional benefits, disodium malate is used in a variety of industries, including pharmaceuticals, cosmetics, and even agriculture for its chelating properties.

As a chemistry student or a scientist, understanding compounds like disodium 3-carboxy-3-hydroxy-pentanedioate can provide insights into how substances influence biological systems, enhance product formulations, and contribute to our day-to-day lives. It showcases the beauty of chemistry in bridging the gap between science and application.

Synonyms
Disodium citrate
Alkacitron
Citralka
Sodium acid citrate
Sodium citrate, acid
Natrium citricum
Natrium citricum [German]
Citric acid, disodium salt
DISODIUM HYDROGEN CITRATE
Disodium monohydrogen citrate
HSDB 375
Citric acid disodium salt
UNII-6FO62KCQ7A
EINECS 205-623-3
Disodium 2-hydroxy-1,2,3-propanetricarboxylate
6FO62KCQ7A
DTXSID50889423
Disodium citrate sesquihydrate
NATRIUM CITRICUM (GERMAN)
SODIUM CITRATE ACID
ANHYDROUS DISODIUM CITRATE
SODIUM ACID CITRATE (MART.)
SODIUM ACID CITRATE [MART.]
SODIUM CITRATE ACID [WHO-DD]
CITRIC ACID DISODIUM SALT [MI]
DISODIUM HYDROGEN CITRATE [HSDB]
6132-05-4
Dibasic sodium citrate
DTXCID901326763
Disodium 2hydroxy1,2,3propanetricarboxylate
1,2,3Propanetricarboxylic acid, 2hydroxy, disodium salt
1,2,3Propanetricarboxylic acid, 2hydroxy, sodium salt (1:2)