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Lysine

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Identification
Molecular formula
C6H14N2O2
CAS number
56-87-1
IUPAC name
3,6-diaminohexanoic acid
State
State

At room temperature, lysine is typically a solid. It is found primarily in its crystalline form in laboratories and is often encountered as lysine hydrochloride in dietary supplements and nutrition.

Melting point (Celsius)
224.00
Melting point (Kelvin)
497.15
Boiling point (Celsius)
201.00
Boiling point (Kelvin)
474.15
General information
Molecular weight
146.19g/mol
Molar mass
146.1890g/mol
Density
1.2800g/cm3
Appearence

Lysine appears as a slightly off-white or cream-colored crystalline powder. It is generally odorless and has a sweet taste. When exposed to air, it is hygroscopic, meaning it can absorb moisture from the environment.

Comment on solubility

Solubility of 3,6-Diaminohexanoic Acid

3,6-Diaminohexanoic acid (C6H14N2O2) exhibits interesting solubility characteristics due to its unique molecular structure. As a diamino acid, it contains both amino and carboxylic acid functional groups, which significantly influence its behavior in various solvents.

Solubility Features

  • Polar Solvents: This compound is generally soluble in polar solvents, such as water. The presence of the carboxylic acid group allows for hydrogen bonding with water molecules, enhancing solubility.
  • Non-Polar Solvents: Conversely, 3,6-diaminohexanoic acid is likely to have low solubility in non-polar solvents due to its charged functional groups, which do not interact favorably with non-polar environments.
  • Influence of pH: The pH of the solution can greatly affect its solubility. At higher pH levels, the amino groups are less protonated, leading to different solubility profiles.
  • Temperature Dependence: Like many other amino acids, the solubility in water may increase with rising temperature, which can help in applications involving dissolving the compound in aqueous solutions.

In summary, the solubility of 3,6-diaminohexanoic acid illustrates the influence of polar character and functional groups, making it soluble primarily in polar solvents while maintaining limited solubility in non-polar environments. Understanding these properties is crucial for applications in biochemical and pharmaceutical fields.

Interesting facts

Interesting Facts about 3,6-Diaminohexanoic Acid

3,6-Diaminohexanoic acid, often abbreviated as dhha, is a fascinating compound that bridges the worlds of chemistry and biology. It holds a unique position among amino acids, primarily due to its specific structure and functional groups, which allow it to engage in a variety of biochemical processes. Below are some intriguing aspects of this remarkable compound:

  • Biological Significance: 3,6-diaminohexanoic acid plays a crucial role in the biosynthesis of various peptides, participating in the formation of polypeptides that are vital for cellular functions.
  • Peptide Formation: This compound is a precursor to the synthesis of ε-caprolactam, which is an important monomer used in the production of Nylon-6, a material extensively used in textiles and plastics.
  • Functional Groups: The presence of two amine groups in its structure contributes to its ability to form hydrogen bonds, impacting its reactivity and interactions in various chemical environments.
  • Versatility: 3,6-diaminohexanoic acid is not only relevant in organic synthesis and material science but also features in the field of drug design, where its structure can enhance the efficacy of certain pharmaceuticals.
  • Research Applications: In pharmaceutical research, this compound is often studied for its potential in drug delivery systems due to its amphiphilic nature, meaning it can interact with both hydrophilic and hydrophobic environments.

In conclusion, 3,6-diaminohexanoic acid showcases the intricate relationship between structure and function in chemical compounds. Its multifaceted applications across different domains attest to the importance of studying amino acids and their derivatives in both scientific research and industrial applications. As we continue to explore the properties and reactions of such compounds, new potential uses and insights may emerge, broadening our understanding of chemistry as a whole.

Synonyms
beta-lysine
3,6-Diaminohexanoic acid
4299-56-3
Hexanoic acid, 3,6-diamino-
Isolysine
3,6-diamino-Hexanoic acid
57PAY56Q9J
DTXSID20962838
ISOLYSIN
3,6-Diaminohexanoicacid
.BETA.-LYSINE
UNII-57PAY56Q9J
SCHEMBL159650
CHEMBL5222185
DTXCID001390622
AKOS006341734
(+-)-3,6-DIAMINO-HEXANOIC ACID
EN300-719134
Q2930104