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Cysteine

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Identification
Molecular formula
C3H7NO2S
CAS number
52-90-4
IUPAC name
2-(2-sulfanylethylamino)acetic acid
State
State

Cysteine is typically a solid at room temperature. It is commonly found in a crystalline form, which makes it stable and easy to handle in various laboratory conditions. Being an amino acid, it dissolves in water, making it suitable for biological systems where it often plays a role in protein synthesis and metabolism.

Melting point (Celsius)
240.00
Melting point (Kelvin)
513.00
Boiling point (Celsius)
281.00
Boiling point (Kelvin)
554.00
General information
Molecular weight
121.16g/mol
Molar mass
121.1580g/mol
Density
1.3100g/cm3
Appearence

Cysteine, in its pure form, appears as white crystals or a crystalline powder. It is odorless or may have a slight sulfurous odor, typical of sulfur-containing compounds. The appearance may vary slightly depending on the form of cysteine, but it generally maintains a consistent crystalline structure when dry.

Comment on solubility

Solubility of 2-(2-sulfanylethylamino)acetic acid

The solubility of 2-(2-sulfanylethylamino)acetic acid can be characterized as follows:

  • Polarity: This compound contains both hydrophilic (water-attracting) and hydrophobic (water-repelling) regions. The presence of the amino group (-NH2) and carboxylic acid (-COOH) enhances its water solubility.
  • pH Influence: The solubility may vary with pH. Under higher pH conditions, the carboxylic acid group can deprotonate, increasing solubility due to the formation of negatively charged species.
  • Temperature Dependence: Like many organic compounds, solubility is often temperature dependent; higher temperatures typically increase solubility.
  • Organic Solvents: 2-(2-sulfanylethylamino)acetic acid may also exhibit solubility in certain organic solvents, which can be important for various applications in organic synthesis.

In summary, the solubility of 2-(2-sulfanylethylamino)acetic acid is influenced by several factors, including polarity, pH level, and temperature. As such, understanding these factors is crucial for determining its behavior in different environments.

Interesting facts

Interesting Facts about 2-(2-sulfanylethylamino)acetic acid

2-(2-sulfanylethylamino)acetic acid, often referred to in the scientific community by its more common name, is an intriguing compound that draws interest due to its unique structure and potential applications. Here are several noteworthy points about this compound:

  • Biological Importance: This compound features a functional group that may exhibit interesting biological activity. Its structure suggests potential interactions with biological systems, making it a candidate for further study in medicinal chemistry.
  • Antioxidant Activity: The presence of the sulfanyl (thio) group could provide antioxidant properties. Compounds with similar structures have been explored for their ability to neutralize free radicals, indicating that this compound might also possess this beneficial quality.
  • Synthesis Potential: The synthesis of 2-(2-sulfanylethylamino)acetic acid can serve as an illustration of organic synthesis techniques. It presents a fascinating synthesis route for students and chemists alike, particularly in the context of amine and carboxylic acid chemistry.
  • Research Applications: The exploration of derivatives of this compound can lead to the development of new pharmaceuticals. Its structural attributes may inspire research focused on creating medications with specific therapeutic outcomes.
  • Interdisciplinary Connections: This compound bridges various fields of study including organic chemistry, biochemistry, and pharmacology. Its relevance across disciplines showcases the interconnectedness of chemical research.

As with many chemical compounds, the exploration of 2-(2-sulfanylethylamino)acetic acid holds promise for new findings in both theoretical and applied sciences. The quote, "Chemistry is not about atoms, it’s about relationships," beautifully encapsulates the essence of understanding compounds like this, as each interaction and potential application reveals more about the substance's capabilities and significance in the realm of science.

Overall, 2-(2-sulfanylethylamino)acetic acid serves as an excellent example of how intricate chemical structures can lead to vast possibilities in research and application.

Synonyms
Glycine, N-(2-mercaptoethyl)-
n-(2-mercaptoethyl)glycine
3724-83-2
Cysteamine acetic acid
BNR01FQE2B
UNII-BNR01FQE2B
2-((2-Sulfanylethyl)amino)acetic acid
2-((2-Mercaptoethyl)amino)acetic acid
mercaptoethylglycine
mercaptoethyl glycine
carboxymethylcysteamine
SCHEMBL289203
(2-MERCAPTOETHYL)GLYCINE
CHEMBL1192506
IAICFWDJMWEXAO-UHFFFAOYSA-N
AKOS006359458
AT37111