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Oxaloacetic acid

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Identification
Molecular formula
C4H4O5
CAS number
328-42-7
IUPAC name
2-hydroxy-3-oxo-butanedioic acid
State
State

At room temperature, oxaloacetic acid is in a solid state. It is typically stable but must be stored under appropriate conditions to avoid decomposition.

Melting point (Celsius)
160.00
Melting point (Kelvin)
433.15
Boiling point (Celsius)
200.00
Boiling point (Kelvin)
473.15
General information
Molecular weight
132.07g/mol
Molar mass
132.0720g/mol
Density
1.6640g/cm3
Appearence

Oxaloacetic acid appears as a white to off-white crystalline powder. It may be slightly hygroscopic and is sensitive to light and air, darkening upon exposure. It is also known to decompose when exposed to heat or moisture.

Comment on solubility

Solubility of 2-hydroxy-3-oxo-butanedioic acid (C4H4O5)

2-hydroxy-3-oxo-butanedioic acid, commonly known as oxaloacetic acid, exhibits notable solubility characteristics that are essential for its various applications in biochemical processes and synthetic chemistry. Here are some key points regarding its solubility:

  • Highly Soluble in Water: Due to the presence of carboxylic acid groups, this compound is highly soluble in water, allowing for effective dissolution in aqueous environments.
  • Influence of pH: The solubility can be affected by the pH of the solution; at lower pH values, the protonation of functional groups may enhance solubility.
  • Temperature Dependence: Like many organic acids, its solubility can increase with temperature, making it more effective in heated solutions.
  • Solvent Compatibility: The compound is also soluble in polar organic solvents, further enhancing its utility in various chemical reactions.

In summary, the solubility of 2-hydroxy-3-oxo-butanedioic acid is a crucial aspect that facilitates its roles in metabolic pathways and as a reagent in organic synthesis. Its ability to dissolve readily in both water and polar organic solvents underscores its versatility in chemical applications.

Interesting facts

Interesting Facts About 2-Hydroxy-3-oxo-butanedioic Acid

2-Hydroxy-3-oxo-butanedioic acid, commonly known as citric acid, is a fascinating and versatile compound that plays a significant role in both biochemical processes and various industrial applications. Here are some intriguing facts about this remarkable compound:

  • Biological Importance: Citric acid is a key intermediate in the Krebs cycle (or citric acid cycle), which is essential for cellular respiration and energy production in living organisms.
  • Natural Occurrence: This compound occurs naturally in citrus fruits such as lemons, limes, and oranges, which is why they have a sour taste. Citric acid is responsible for the tartness that many enjoy!
  • Food Preservative: Due to its acidity, citric acid is widely used as a preservative and flavor enhancer in the food industry. It helps to inhibit the growth of bacteria and mold.
  • pH Regulation: Citric acid is commonly used in laboratory settings to maintain stable pH levels in solutions, making it a valuable reagent in chemical experiments.
  • Cosmetic Uses: Many skincare products contain citric acid for its exfoliating properties, helping to remove dead skin cells and brighten the complexion.
  • Antioxidant Properties: Citric acid has been shown to possess antioxidant effects, which can help combat oxidative stress and protect cells from damage.

In summary, 2-hydroxy-3-oxo-butanedioic acid is not just a simple compound; it is a powerhouse of biological activity and practical utility. Its contributions to health, industry, and science make it a compound of great interest across various fields.

Synonyms
2-hydroxy-3-oxobutanedioic acid
Oxaloglycolate
2-hydroxy-3-oxosuccinic acid
CHEBI:17778
5651-05-8
OXALOGLYCOLIC ACID
C03459
SCHEMBL1291687
DTXSID30861787
BDBM50390677
AKOS006377432
Q27102603