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Rochelle Salt

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Identification
Molecular formula
KNaC4H4O6
CAS number
304-59-6
IUPAC name
potassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate
State
State

This compound is typically solid at room temperature, existing in crystalline form, which makes it suitable for various applications including piezoelectric devices.

Melting point (Celsius)
75.00
Melting point (Kelvin)
348.15
Boiling point (Celsius)
800.00
Boiling point (Kelvin)
1 073.15
General information
Molecular weight
282.22g/mol
Molar mass
282.2220g/mol
Density
1.7900g/cm3
Appearence

Rochelle Salt is often found in the form of colorless or white crystals. These crystals are generally elongated or can take a prismatic shape. The compound may appear slightly opaque depending on the presence of impurities.

Comment on solubility

Solubility of Potassium Sodium (2R,3R)-2,3-Dihydroxybutanedioate

The solubility of potassium sodium (2R,3R)-2,3-dihydroxybutanedioate, often referred to as a potassium-sodium salt of tartaric acid, can be examined through several key aspects:

  • Water Solubility: This compound is generally soluble in water due to the presence of the hydroxyl (-OH) groups and the ionic nature of potassium (K+) and sodium (Na+) ions, which interact favorably with water molecules.
  • Temperature Dependence: The solubility tends to increase with temperature, making it more soluble in warm water compared to cold. As a rule of thumb, increased kinetic energy helps break the solute's intermolecular forces, allowing it to dissolve more effectively.
  • Dissociation: When dissolved, potassium sodium (2R,3R)-2,3-dihydroxybutanedioate dissociates into its constituent ions: K+, Na+, and the anionic part of the compound. This dissociation contributes to its overall solubility in aqueous solutions.
  • Effect of pH: The solubility can also be affected by the pH of the solution. In more acidic conditions, the compound may exist in different ionic forms, altering its solubility properties.

In summary, potassium sodium (2R,3R)-2,3-dihydroxybutanedioate exhibits good solubility in water while being influenced by temperature, dissociation into ions, and pH level. This solubility profile is crucial for its applications in various fields, particularly in formulations where aqueous solubility is desired.

Interesting facts

Interesting Facts about Potassium Sodium (2R,3R)-2,3-Dihydroxybutanedioate

(2R,3R)-2,3-dihydroxybutanedioate, commonly known as potassium sodium salt, is an intriguing compound that has captured the attention of researchers and scientists alike. This compound is a salt derived from the natural fermentation process, and its applications are diverse.

Key Characteristics

  • Biological Significance: This compound plays an important role in various metabolic pathways, influencing cellular processes in biological systems.
  • Food Industry Usage: Often utilized as a flavor enhancer or preservative in food products, its ability to balance flavors is highly valued.
  • Environmental Impact: As a biodegradable compound, it poses minimal risk to the environment, making it a preferred choice in industries shifting towards sustainability.

The structural configuration of (2R,3R)-2,3-dihydroxybutanedioate, which features two hydroxyl (-OH) groups, contributes significantly to its chemical reactivity and interactions. This compound is known for its participation in various biochemical reactions, making it a valuable compound in organic synthesis. Scientists often emphasize the importance of understanding complex molecules like this one in advancing pharmacological research and improving food technology.

Fun Fact

It is also worth mentioning that the compound can exist in different forms, influenced by environmental factors such as pH and temperature. This demonstrates the fascinating adaptability of chemical compounds in both laboratory and real-world conditions.

In conclusion, potassium sodium (2R,3R)-2,3-dihydroxybutanedioate is more than just a chemical entity; it bridges the gap between chemistry and real-life applications, showcasing the beauty and complexity of chemical science.

Synonyms
Rochelle salt
Seignette salt
304-59-6
SODIUM POTASSIUM TARTRATE
Monopotassium monosodium tartrate
L-Potassium sodium tartrate
Sodium potassium L-tartrate
147-79-5
Potassium sodium L(+)-tartrate
Potassium sodium tartrate anhydrous
Tartaric acid, monopotassium monosodium salt
potassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate
P49F8NV7ES
CHEBI:63019
Sodium potassium salt of L-(+)-tartaric acid
Rochelle's salt
2,3-Dihydroxybutanedioic acid, monopotassium monosodium salt
CCRIS 3949
HSDB 765
Sodium potassium (dl)-tartrate
Potassium sodium tartrate tetrahydrate
Potassium Sodium Tartrate (1.5M Solution in Water)
EINECS 206-156-8
potassium sodium l-tartrate
UNII-P49F8NV7ES
Seignette's salt
EINECS 205-698-2
Tartaric acid, potassium sodium salt
potassium sodium (2R,3R)-2,3-dihydroxybutanedioate
Potassium sodium (R*,R*)-(1)-tartrate
Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, monopotassium monosodium salt
Butanedioic acid, 2,3-dihydroxy-, monopotassium monosodium salt
L-Potassiumsodiumtartrate
L-(+)-Tartaric Acid Potassium Sodium Salt
Monopotassium monosodium 2,3-dihydroxybutanedioate, (R-(R*,R*))-
Butanedioic acid, 2,3-dihydroxy- (R-(R*,R*))-, monopotassium monosodium salt
EC 206-156-8
potassium sodium L-tartarate
SCHEMBL454101
CHEMBL2219738
DTXSID60932999
DTXSID90889341
Potassium Sodium L-(+)-Tartrate
AKOS015915091
POTASSIUM SODIUM TARTRATE [MI]
potassium sodium tartrate tetrahy-drate
Butanedioic acid, 2,3-dihydroxy- (theta-(theta,theta))-, monopotassium monosodium salt
POTASSIUM SODIUM TARTRATE [HSDB]
15490-42-3
ANHYDROUS SODIUM POTASSIUM TARTRATE
BP-21323
P1798
F76579
ANHYDROUS SODIUM POTASSIUM TARTRATE [MART.]
Potassium sodium 2,3-dihydroxybutanedioate (1/1/1)
rel-Potassium sodium (2R,3R)-2,3-dihydroxysuccinate
Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, potassium sodium salt (1:1:1)
BUTANEDIOIC ACID, 2,3-DIHYDROXY-, (R-(R*,R*))-, MONOPOTASSIUM MONOSODIUM SALT