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3-dodecylbenzenesulfonic acid

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Identification
Molecular formula
C18H30O3S
CAS number
27176-87-0
IUPAC name
3-dodecylbenzenesulfonic acid
State
State

Under standard conditions, 3-dodecylbenzenesulfonic acid is typically a liquid. Its low melting point allows it to remain in a liquid state at room temperature, making it suitable for applications where a liquid sulfonic acid is required.

Melting point (Celsius)
10.00
Melting point (Kelvin)
283.15
Boiling point (Celsius)
391.00
Boiling point (Kelvin)
664.15
General information
Molecular weight
340.55g/mol
Molar mass
340.5480g/mol
Density
1.0203g/cm3
Appearence

3-Dodecylbenzenesulfonic acid appears as a colorless to light yellow liquid. It is typically produced in its liquid form, often due to its low melting point, which makes it challenging to isolate as a solid under normal conditions. This compound may also be found in various concentrations when used in industrial applications, leading to variations in appearance.

Comment on solubility

Solubility of 3-Dodecylbenzenesulfonic Acid

3-Dodecylbenzenesulfonic acid (C18H30O3S) is a fascinating compound known for its amphiphilic nature, which plays a significant role in its solubility properties. As a surfactant, it exhibits unique behavior in various solvents, primarily due to the presence of both hydrophobic and hydrophilic moieties in its molecular structure.

Solubility Characteristics

  • Water Solubility: This compound has limited solubility in water. Factors contributing to this include its long hydrocarbon chain, which tends to repel water.
  • Solvent Compatibility: Conversely, 3-dodecylbenzenesulfonic acid displays good solubility in organic solvents, such as:
    • Alcohols
    • Acetone
    • Chloroform
  • Surfactant Role: Due to its amphiphilic properties, this compound can reduce surface tension in water, aiding in emulsification and dispersion of hydrophobic substances.

In summary, the solubility of 3-dodecylbenzenesulfonic acid is highly dependent on the solvent environment. Its ability to interact with both water and organic solvents makes it a valuable compound in various applications, particularly in the formulation of detergents and emulsifiers. As with many surfactants, understanding its solubility behavior is crucial for optimizing its effectiveness in practical uses.

Interesting facts

Interesting Facts about 3-Dodecylbenzenesulfonic Acid

3-Dodecylbenzenesulfonic acid is an intriguing compound with a variety of applications and characteristics that make it noteworthy in the field of chemistry. Here are some engaging facts about this fascinating molecule:

  • Surfactant Properties: This compound is commonly used as a surfactant due to its ability to reduce the surface tension of liquids. Its amphiphilic nature allows it to interact both with water and lipids, making it ideal for various applications in cleaning products and emulsions.
  • Industrial Applications: 3-Dodecylbenzenesulfonic acid is frequently employed in the manufacture of surfactant formulations, lubricants, and enhances the solubility of organic substances in aqueous solutions. This versatility boosts its utility across multiple industries.
  • Environmental Considerations: As a sulfonic acid, it is vital for scholars and chemists to study its environmental impact. Understanding its degradation pathways is essential for developing sustainable practices in its use.
  • Structure-Activity Relationship: The long dodecyl chain in its structure contributes significantly to its hydrophobic characteristics, and studying how structural variations affect surfactant activity can lead to more effective and tailored chemical products.
  • Analytical Chemistry: Due to its unique structure, 3-Dodecylbenzenesulfonic acid can be utilized in analytical chemistry for techniques like chromatography. It allows scientists to explore and assess various other compounds effectively.

The study of 3-Dodecylbenzenesulfonic acid not only serves practical purposes but also deepens our understanding of chemical interactions and environmental chemistry. As noted by chemists, “The molecules we explore today lay the groundwork for innovations of tomorrow.” This compound stands as a testament to how even small changes in molecular structure can lead to significant advancements in various fields.

Synonyms
3-DODECYLBENZENESULFONIC ACID
16577-13-2
3-Dodecylbenzene-1-sulfonic acid
m-dodecylbenzenesulfonic acid
SCHEMBL6575806
DTXSID40860241
CHEBI:149775
HRPQWSOMACYCRG-UHFFFAOYSA-N
NS00073853