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Isethionic acid

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Identification
Molecular formula
C2H6O4S
CAS number
107-36-8
IUPAC name
1-hydroxyethanesulfonic acid
State
State

Isethionic acid is a solid at room temperature. It is highly soluble in water and capable of forming clear solutions.

Melting point (Celsius)
151.00
Melting point (Kelvin)
424.15
Boiling point (Celsius)
308.00
Boiling point (Kelvin)
581.15
General information
Molecular weight
126.14g/mol
Molar mass
126.1370g/mol
Density
2.0450g/cm3
Appearence

Isethionic acid is typically found as a white crystalline solid. It may also appear as a colorless solution when dissolved in water.

Comment on solubility

Solubility of 1-hydroxyethanesulfonic acid

1-hydroxyethanesulfonic acid, also known as HEPES, exhibits intriguing solubility properties that are essential for its applications in biochemistry and molecular biology.

Key points regarding its solubility include:

  • Water Solubility: HEPES is highly soluble in water, with a solubility range typically exceeding 100 g/L at room temperature. This characteristic is crucial for its use in various biological buffers.
  • pH Stability: It is effective across a broad pH range (usually between pH 6.8 and 8.2), making it applicable in numerous experimental conditions.
  • Temperature Dependence: The solubility of HEPES can slightly increase with temperature, offering better dissolution in warm solutions.
  • Compatibility: While HEPES is compatible with many salts and other buffers, care should be taken when mixing with certain divalent cations, as they may affect stability and solubility.

It's often noted that, as with many chemical compounds, "the solubility is key" for effective utility in various applications. Thus, understanding the solubility of 1-hydroxyethanesulfonic acid is pivotal for optimal use.

Interesting facts

Interesting Facts about 1-Hydroxyethanesulfonic Acid

1-Hydroxyethanesulfonic acid, often referred to as HESA, is a fascinating compound with a variety of applications and significance in the world of chemistry. Here are some key points that highlight its importance:

  • Biological Relevance: This compound is known for its role as a buffering agent in biological systems, particularly in cell culture and biochemical applications. It helps maintain pH stability, which is crucial for many cellular processes.
  • Key Ingredient: HESA is commonly used in the formulation of cosmetics and personal care products. Its ability to maintain skin hydration and support the stability of these formulations makes it valuable in the industry.
  • Research Utility: Chemists often use HESA in laboratories for various research purposes. Its unique properties allow it to serve as a standard in analytical chemistry, especially during titration experiments and when studying enzyme kinetics.
  • Environmental Impact: HESA has been highlighted in studies for its potential in wastewater treatment processes. Its sulfonic acid group plays a crucial role in the removal of heavy metals from contaminated water sources, showcasing its environmental importance.
  • Educational Tool: In academic settings, 1-hydroxyethanesulfonic acid serves as an excellent teaching tool for students learning about acids, buffers, and their applications in real-world scenarios. Its simple structure makes it approachable for learners.

In summary, 1-hydroxyethanesulfonic acid is not just another organic compound; it's a multi-faceted substance that plays vital roles in biological, industrial, and environmental applications. Its versatility and significance make it a subject worth exploring in the world of chemistry.

Synonyms
Acetaldehyde hydroxysulfonate
20305-86-6
Acetaldehyde hydroxysulfonic acid
Ethanesulfonic acid, 1-hydroxy-
1-hydroxyethanesulfonic acid
1-Hydroxyethane-1-sulfonic acid
Oxyathansulfosaure
SCHEMBL29973
DTXSID60859556
AKOS025243222