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L-Alanine

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Identification
Molecular formula
C4H9NO2
CAS number
56-41-7
IUPAC name
2-aminobutanoic acid
State
State

At room temperature, L-Alanine is typically a solid. It is often used in its powdered or crystalline form for various biochemical applications.

Melting point (Celsius)
297.00
Melting point (Kelvin)
570.15
Boiling point (Celsius)
227.83
Boiling point (Kelvin)
500.98
General information
Molecular weight
89.09g/mol
Molar mass
89.0940g/mol
Density
1.4240g/cm3
Appearence

Appearance: L-Alanine typically appears as a white crystalline solid. The substance is often found in a powdered form and is soluble in water, leading to a clear or colorless solution.

Comment on solubility

Solubility of 2-Aminobutanoic Acid

2-Aminobutanoic acid, also known as 2-ABA, exhibits notable solubility characteristics that are essential for its applications in various fields.

Solubility in Water

This compound is highly soluble in water due to the presence of both an amino group and a carboxylic acid group, which can interact favorably with water molecules. The solubility can be attributed to:

  • Hydrogen bonding: The amino and carboxyl groups can form hydrogen bonds with water, enhancing solubility.
  • Polarity: The polar nature of the functional groups allows for effective interaction with polar solvents like water.

Solubility in Organic Solvents

When it comes to organic solvents, the solubility of 2-aminobutanoic acid tends to decrease. It is typically less soluble in non-polar solvents. This is primarily due to:

  • Lack of polarity: Non-polar solvents cannot effectively solvate the charged and polar functional groups.

pH Consideration

The solubility of 2-aminobutanoic acid is also influenced by pH levels:

  • At acidic pH, the carboxylic acid group remains protonated, which can increase solubility.
  • At neutral or alkaline pH, the compound can exist predominantly as a zwitterion, which can also enhance its solubility.

In conclusion, the solubility behavior of 2-aminobutanoic acid in various solvents and conditions highlights its versatility and importance in chemical processes. Understanding these solubility properties can aid in its effective application in different scientific disciplines.

Interesting facts

Interesting Facts about 2-Aminobutanoic Acid

2-Aminobutanoic acid, commonly known as β-alanine, is a fascinating compound that plays a critical role in various biological systems. Here are some interesting facts about this compound:

  • Essential for Muscle Performance: 2-Aminobutanoic acid is a naturally occurring amino acid that has been shown to enhance athletic performance by increasing muscle endurance. It acts as a precursor to carnosine, a dipeptide that helps buffer acids in muscles during high-intensity exercise.
  • No Protein Synthesis: Unlike many other amino acids, 2-aminobutanoic acid is classified as a non-proteinogenic amino acid, meaning it is not directly involved in the synthesis of proteins. Instead, it serves other vital functions in the body.
  • Role in Neurotransmission: This amino acid is used in the central nervous system and is involved in synthesizing neurotransmitters, which are crucial for communicating signals between neurons.
  • Potential Therapeutic Applications: Research suggests that 2-aminobutanoic acid may have potential benefits in treating certain types of neurological diseases, such as Alzheimer's and epilepsy, due to its neuroprotective properties.
  • Found in Food Sources: You can find 2-aminobutanoic acid naturally in various food sources, especially in meat, poultry, fish, and dairy products. This makes it relatively easy to incorporate into a balanced diet.
  • Supplementation Benefits: Many athletes and fitness enthusiasts are turning to beta-alanine supplements to improve performance. Studies have indicated that it can enhance exercise capacity, particularly during high-intensity workouts.

As a compound with such diverse roles in biochemistry and physiology, 2-aminobutanoic acid certainly captures the interest of scientists and students alike. Its impact on athletic performance and potential health benefits make it a subject worth exploring in both academic and fitness settings.

Synonyms
DL-2-Aminobutyric acid
2835-81-6
2-Aminobutyric acid
2-Aminobutanoic acid
H-DL-ABU-OH
ALPHA-AMINOBUTYRIC ACID
Butyrine
Butanoic acid, 2-amino-
Butanoic acid, amino-
DL-2-Amino-n-butyric acid
80-60-4
AABA
DL-alpha-Amino-n-butyric acid
Butyric acid, 2-amino-, DL-
alpha-Amino-n-butyric acid
2-amino-butyric acid
2-AMINO-N-BUTYRIC ACID
MFCD00008093
CHEBI:35621
NSC3251
8306QPJ19P
2-aminobutyric acid, dl
L-.alpha.-Aminobutyrate
NSC 3251
NSC-3251
DL-2-Aminobutanoic acid
Butyric acid, 2-amino-
EINECS 201-296-6
EINECS 220-616-5
Butanoic acid, 2-amino-, (.+-.)-
Homoalanine
L-.alpha.-Aminobutyric acid
DL-.alpha.-Aminobutyric acid
AI3-15284
DL-alpha-Amino-n-butyric acid (beta-form)
L-.alpha.-Amino-n-butyric acid
.ALPHA.-AMINOBUTYRIC ACID
DL-.alpha.-Amino-n-butyric acid
DTXSID90862679
l(+)-2-aminobutyric acid
2-AMINOBUTYRIC ACID, DL-
.ALPHA.-AMINOBUTYRIC ACID [MI]
.ALPHA.-AMINOBUTYRIC ACID, DL-
DL-.alpha.-Amino-n-butyric acid (.beta.-form)
28805-76-7
Butyric acid, 2-amino-, L-
DL-A-Amino-n-Butyric Acid
D-a-aminobutyric acid
L-a-aminobutyric acid
l-2-aminobutanoic acid
UNII-8306QPJ19P
NSC-97060
DL2Aminobutyric acid
AMINOBUTYRIC ACID,-2-, ALPHA
DL2Aminonbutyric acid
2Aminobutyric acid, DL
2-Amino-n-butyric-acid
d,l-2-aminobutyric acid
dl-alpha-aminobutyric acid
bmse000390
DL-AMINOBUTYRIC ACID
Butyric acid, 2amino, DL
SCHEMBL23958
CHEMBL55242
AMINOBUTYRIC ACID, ALPHA
DL-2- AMINOBUTYRIC ACID
2-Aminobutanoic acid, (L)- #
DTXCID30811409
ALBB-016221
BCP04716
Butyric acid, 2amino, DL (8CI)
NSC97060
ALPHA-AMINOBUTYRIC ACID, DL-
BBL012213
Butanoic acid, 2-amino-, (+-)-
STL163554
AKOS000201117
AKOS016050533
Butyric acid, 2-amino-, DL-(8CI)
AB00928
CS-W011306
FA09857
HY-W010590
SB33762
AS-11292
DA-69742
SY001956
SY002291
SY005223
A0280
NS00014651
NS00096417
EN300-21289
DL-2-Aminobutyric acid, ReagentPlus(R), 99%
M01290
Q285687
DL-2-Aminobutyric acid, puriss., >=99.0% (NT)
DL-2-Aminobutyric acid, Vetec(TM) reagent grade, 98%
F8889-0487
L(+)-2-Aminobutyric acid;(S)-(+)-2-Aminobutyric acid
Z104495144
4D86307C-8B58-428C-BB29-5FE70D44669A
201-296-6