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3-Mercaptopropionic acid

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Identification
Molecular formula
C3H6O2S
CAS number
107-96-0
IUPAC name
3-sulfanylpropanoic acid
State
State

At room temperature, 3-mercaptopropionic acid is typically found as a liquid. It is often used in its liquid form for various chemical applications.

Melting point (Celsius)
-15.00
Melting point (Kelvin)
258.00
Boiling point (Celsius)
97.00
Boiling point (Kelvin)
370.00
General information
Molecular weight
106.14g/mol
Molar mass
106.1440g/mol
Density
1.2180g/cm3
Appearence

3-Mercaptopropionic acid is a colorless liquid with a slightly unpleasant, thiol-like odor. It is typically found in a liquid form at room temperature but may crystallize in certain conditions depending on purity and environmental factors.

Comment on solubility

Solubility of 3-sulfanylpropanoic acid

3-sulfanylpropanoic acid, a thiol-containing carboxylic acid, demonstrates interesting solubility characteristics. The solubility of this compound can be influenced by a variety of factors, including temperature, pH, and the presence of solvents. Here’s a brief overview of its solubility:

  • Water Solubility: 3-sulfanylpropanoic acid is generally soluble in water due to its ability to form hydrogen bonds with water molecules, which helps to stabilize the solute in an aqueous solution.
  • Organic Solvents: This compound exhibits varying solubility in organic solvents. It tends to be more soluble in polar organic solvents compared to non-polar ones, reflecting its polar functional groups.
  • pH Dependence: The solubility can also be affected by pH changes. At lower pH values, the carboxylic acid group can remain protonated, while at higher pH values, deprotonation increases its solubility as anionic species form.

In summary, the solubility of 3-sulfanylpropanoic acid is predominantly influenced by its functional groups and the environment it is placed in. As noted, “solubility is a dynamic property, reflecting chemical identity and environmental interactions.” Understanding these properties not only aids in its practical applications but also extends knowledge of thiols in organic chemistry.

Interesting facts

Interesting Facts about 3-Sulfanylpropanoic Acid

3-Sulfanylpropanoic acid, also known by its common name, cysteine, is a fascinating compound with a rich history and significant biological importance.

Key Characteristics

  • Biological Role: It is one of the twenty standard amino acids and plays a crucial role in protein synthesis. Cysteine is essential for the production of proteins and enzymes in the body.
  • Source of Sulfur: Cysteine contains a thiol group, which is a source of sulfur, an element vital for various biochemical processes, including the synthesis of other amino acids.
  • Antioxidant Properties: It is a precursor to glutathione, one of the most important antioxidants in the body. This function helps in protecting cells from oxidative stress and maintaining cellular health.

Applications and Uses

  • In Nutrition: Cysteine is often included in dietary supplements for its health benefits, especially in enhancing detoxification and immune function.
  • In Research: It is widely studied in various fields, including biochemistry and nutrition, for its role in metabolism and cellular repair.
  • In Industry: Cysteine is used in the food industry as a flavor enhancer and in the cosmetic industry for its skin-rejuvenating properties.

Interesting Trivia

Did you know that cysteine can form disulfide bonds with other cysteine molecules? These bonds are crucial for maintaining the structure and stability of proteins. As Nobel Laureate Linus Pauling once stated: "Protein is the primary structure of biological function." Therefore, the role of cysteine in protein structure is indispensable.

In summary, 3-sulfanylpropanoic acid is more than just a simple amino acid; it is a key player in the complex biochemical processes that sustain life. Its multifunctional properties and wide applications make it a compound of great interest in both science and industry.

Synonyms
3-MERCAPTOPROPIONIC ACID
3-Mercaptopropanoic acid
107-96-0
3-Sulfanylpropanoic acid
Mercaptopropionic acid
3-Thiopropionic acid
3-Thiopropanoic acid
Propanoic acid, 3-mercapto-
beta-Mercaptopropionic acid
2-Mercaptoethanecarboxylic acid
beta-Thiopropionic acid
3MPA
Hydracrylic acid, 3-thio-
Thiohydracrylic acid
Propionic acid, 3-mercapto-
beta-Mercaptopropanoic acid
NSC 437
.beta.-Thiopropionic acid
Propionic acid, 3-mercpato-
3-Thiolpropanoic acid
.beta.-Mercaptopropionic acid
3-thiohydracrylic acid
3 Mercaptopropionic Acid
HSDB 5381
Mercaptopropionic acid, 3-
EINECS 203-537-0
B03TJ3QU9M
MFCD00004897
.beta.-Mercaptopropanoic acid
BRN 0773807
DTXSID8026775
CHEBI:44111
AI3-26090
DEAMINO CYSTEINE
NSC-437
betamercaptopropionic acid
3-mercapto-propionic acid
CHEMBL358697
DTXCID106775
FEMA NO. 4587
EC 203-537-0
4-03-00-00726 (Beilstein Handbook Reference)
3-MERCAPTOPROPIONIC ACID [HSDB]
3-Mercaptopropionicacid
UNII-B03TJ3QU9M
3 Mercaptopropanoic Acid
Acid, 3-Mercaptopropanoic
Acid, 3-Mercaptopropionic
Propionic acid, mercapto-
USAF E-5
3mercaptopropionate
3Thiopropanoic acid
3Thiopropionic acid
3mercaptopropanoic acid
betaThiopropionic acid.
ss--Thiopropionic acid
Hydracrylic acid, 3thio
betaMercaptopropanoic acid
3-mercapto-propanoic acid
Propanoic acid, 3mercapto
Propionic acid, 3mercpato
ss--Mercaptopropanoic acid
ss--Mercaptopropionic acid
3-Sulfanylpropanoic acid #
SCHEMBL7289
Mercaptoethanecarboxylic acid
3-Mercaptopropanoic acid, 9CI
NSC437
3-Mercaptopropionic acid, 98%
3-Mercaptopropionic acid, >=99%
BCP16636
STR01222
Tox21_200194
BDBM50121953
MERCAPTOPROPIONIC ACID [INCI]
STL281859
AKOS000121541
AC-4722
AT21041
FM25104
SB66313
NCGC00248556-01
NCGC00257748-01
BP-21405
CAS-107-96-0
M0061
NS00009790
3-Mercaptopropionic acid, >=99.0% (HPLC)
EN300-19579
C22312
Q11751618
F2191-0215
Z104474322
3-Thiopropanoic acid;b-Mercaptopropionic acid;Thiopropionic acid
203-537-0