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L-Arginine and Aspartic Acid Mix

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Identification
Molecular formula
C10H20N4O6
CAS number
74-79-3; 56-84-8
IUPAC name
2-aminobutanedioic acid;(2R)-2-amino-5-guanidino-pentanoic acid
State
State

At room temperature, the mixture remains in a solid state. Being a combination of amino acids, both L-arginine and aspartic acid, it retains this form unless exposed to conditions favoring transition such as increased temperatures or in solution.

Melting point (Celsius)
244.00
Melting point (Kelvin)
517.00
Boiling point (Celsius)
301.00
Boiling point (Kelvin)
574.00
General information
Molecular weight
346.36g/mol
Molar mass
346.3620g/mol
Density
1.6100g/cm3
Appearence

The mixture typically appears as a white crystalline powder. This appearance is consistent for amino acids like L-arginine and aspartic acid in their pure forms, but the actual appearance might slightly vary based on purity and form of the sample used or mixed.

Comment on solubility

Solubility of 2-Aminobutanedioic Acid

2-Aminobutanedioic acid, also known as L-aspartic acid, exhibits some interesting solubility characteristics:

  • Water Solubility: This compound is notably highly soluble in water, with solubility often exceeding 100 g/L at room temperature. The presence of carboxylic acid groups contributes greatly to this high solubility due to hydrogen bonding and ion-dipole interactions.
  • Solvent Dependence: 2-Aminobutanedioic acid is less soluble in organic solvents like ethanol and chloroform, reflecting its polar nature and the hydrophilic character of its amino and carboxyl groups.
  • pH Sensitivity: The solubility of this compound can vary with pH, typically increasing in more alkaline conditions due to the deprotonation of carboxylic acids, allowing for greater interaction with water molecules.

This compound's high water solubility makes it an essential ingredient in various biochemical applications, particularly in the synthesis of proteins and as an excitatory neurotransmitter in the nervous system.

Interesting facts

Interesting Facts About 2-Aminobutanedioic Acid

2-Aminobutanedioic acid, commonly known as aspartic acid, is a fascinating organic compound abundantly found in nature, particularly in proteins. Here are some intriguing aspects:

  • Amino Acids Connection: Aspartic acid is classified as a non-essential amino acid, meaning that the human body can synthesize it. It plays a vital role in the biosynthesis of other amino acids and can contribute to protein synthesis.
  • Biochemical Functions: It is significant in various metabolic pathways, including the urea cycle and the citric acid cycle (Krebs cycle), highlighting its importance in energy production within cells.
  • Neurotransmitter Role: Interestingly, aspartic acid functions as a neurotransmitter in the brain, helping transmit signals between nerve cells, which can influence mood and cognitive functions.
  • Presence in Foods: It is naturally present in many protein-rich foods such as meat, eggs, and dairy products, as well as plant sources like legumes and soy products.
  • Health Benefits: Aspartic acid plays a crucial role in the synthesis of other amino acids and is involved in hormone production and energy metabolism, potentially benefiting overall bodily functions.

Fun Fact

Did you know that the name "aspartic acid" comes from its first discovery in asparagus? Indeed, this amino acid was initially isolated from an extract of asparagus in 1806, marking its significance in both nutritional science and culinary fields.

In summary, 2-aminobutanedioic acid is not just an amino acid; it is a compound with a wide range of biochemical roles and implications in health, nutrition, and even brain function. Its contributions to various metabolic processes make it a crucial subject of interest in both scientific research and dietary discussions.

Synonyms
L-Arginine, L-aspartate
DTXSID80274767
3054-35-1