3-Undecylbenzenesulfonic acid | Solubility of Things

Identification

Molecular formula

C₁₇H₂₈O₃S

CAS number

12332-56-8

IUPAC name

3-undecylbenzenesulfonic acid

State

At room temperature, 3-undecylbenzenesulfonic acid is primarily found in a viscous liquid state, though it can solidify into a waxy solid if cooled. It is soluble in many organic solvents and slightly soluble in water.

Melting point (Celsius)

48.00

Melting point (Kelvin)

321.15

Boiling point (Celsius)

320.00

Boiling point (Kelvin)

593.15

General information

Molecular weight

340.48g/mol

Molar mass

340.5250g/mol

Density

1.0450g/cm³

Appearence

3-Undecylbenzenesulfonic acid typically appears as a pale yellow to light brown viscous liquid. Its color and viscosity can vary slightly due to impurities and the degree of hydration. As a surfactant, it may exhibit some foaming character when mixed with water.

Comment on solubility

Solubility of 3-Undecylbenzenesulfonic Acid

3-Undecylbenzenesulfonic acid, with the chemical formula C₁₈H₃₀O₃S, exhibits intriguing solubility properties that are essential for its applications. This compound is primarily characterized by:

Moderate Solubility in Water: Due to the presence of the sulfonic acid group (-SO₃H), 3-undecylbenzenesulfonic acid shows a degree of solubility in water, allowing it to participate in aqueous reactions.
Increased Solubility in Organic Solvents: Its long hydrophobic undecyl chain contributes to higher solubility in non-polar organic solvents such as toluene or hexane.
Influence of pH: The solubility can also be affected by pH levels; at lower pH (acidic conditions), the sulfonic acid group remains protonated, enhancing solubility, while at higher pH, it can form salts that may vary in solubility.

Furthermore, the balance between its hydrophobic and hydrophilic properties allows it to function effectively as a surfactant, making it valuable in fields like detergent formulation and material science. The unique solubility characteristics underscore the versatility of 3-undecylbenzenesulfonic acid in varied chemical environments.

Interesting facts

Exploring 3-Undecylbenzenesulfonic Acid

3-Undecylbenzenesulfonic acid is a fascinating compound that falls within the category of sulfonic acids. With its unique structure and properties, it has garnered attention in various fields of chemistry and industrial applications.

Key Characteristics

Surfactant Properties: This compound acts as an effective surfactant, making it valuable in the formulation of detergents and cleaning agents.
Solubility and Functionality: The presence of the undecyl chain significantly enhances its lipophilic characteristics, allowing it to function in both polar and nonpolar environments.
Environmental Considerations: The sulfonic group adds to its biodegradability, which is an important factor in its usage for environmentally friendly products.

Applications

3-Undecylbenzenesulfonic acid has found a variety of applications across different sectors:

Industrial Cleaning: Its effectiveness as a surfactant makes it a preferred component in many industrial cleaning formulations.
Pharmaceuticals: This compound can be used in drug formulation where solubility and stability are essential.
Research and Development: In the field of biochemistry, it aids in the study of lipid interactions and membrane dynamics.

Interesting Fact

Researchers often quote that “surfactants like 3-undecylbenzenesulfonic acid redefine the boundaries of what is possible in formulations.” This highlights the compound's role in advancing technologies that require precise chemical interactions.

Overall, 3-undecylbenzenesulfonic acid stands out as a versatile and essential compound in both academic research and practical applications.

Synonyms

3-undecylbenzenesulfonic Acid

SCHEMBL6577837