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2-Dodecylbenzenesulfonic acid

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

At room temperature, 2-dodecylbenzenesulfonic acid is a liquid. It is hydrophobic in nature due to its long hydrocarbon chain and is often used in aqueous solutions.

Melting point (Celsius)
-10.00
Melting point (Kelvin)
263.15
Boiling point (Celsius)
315.00
Boiling point (Kelvin)
588.15
General information
Molecular weight
326.49g/mol
Molar mass
326.4880g/mol
Density
0.9508g/cm3
Appearence

2-Dodecylbenzenesulfonic acid typically appears as a light yellow or orange liquid. It is slightly viscous and has a characteristic odor. When exposed to air, it may form a superficial white crust due to surface oxidation or reactions with moisture.

Comment on solubility

Solubility of 2-Dodecylbenzenesulfonic Acid

2-Dodecylbenzenesulfonic acid, with the chemical formula C18H30O3S, exhibits interesting solubility properties characteristic of sulfonic acids. It is a hydrophobic compound due to its long hydrocarbon tail, which impacts its behavior in various solvents.

Key Points about Solubility:

  • Solubility in Water: 2-Dodecylbenzenesulfonic acid is generally poorly soluble in water due to its nonpolar dodecyl group. However, the sulfonic acid functional group enhances its ability to interact with polar environments, allowing for a certain degree of solubility.
  • Solubility in Organic Solvents: This compound is more soluble in organic solvents such as acetone, ethanol, and dichloromethane, owing to the compatibility of its alkyl chain with nonpolar solvents.
  • pH Dependence: The solubility of 2-dodecylbenzenesulfonic acid can also be influenced by the pH of the solution. In more acidic conditions, increased protonation can enhance interactions with water.
  • Applications: Due to its surfactant properties, it is used in formulations where solubility can be manipulated to improve functionality.

Overall, the solubility of 2-Dodecylbenzenesulfonic acid is a balanced interplay between hydrophilic and hydrophobic characteristics, making it a versatile compound in both aqueous and organic environments. As with many amphiphilic compounds, understanding its solubility is crucial for its effective application in various chemical formulations.

Interesting facts

Interesting Facts about 2-Dodecylbenzenesulfonic Acid

2-Dodecylbenzenesulfonic acid is a fascinating compound with various applications and properties that make it notable in the field of chemistry. Here are some intriguing aspects of this compound:

  • Surfactant Properties: This compound is primarily used as a surfactant, which means it can significantly lower surface tension. This characteristic makes it useful in detergents, emulsifiers, and dispersants.
  • Hydrophobic and Hydrophilic Balance: 2-Dodecylbenzenesulfonic acid possesses both hydrophobic (water-repelling) and hydrophilic (water-attracting) properties. This unique feature allows it to interact effectively with both oil and water, making it vital in various industrial processes.
  • Environmental Impact: As an anionic surfactant, it is essential to understand the environmental implications of its use. Studies are ongoing to explore its biodegradability and overall effects on aquatic ecosystems.
  • Applications in Organic Synthesis: This compound is utilized in numerous organic reactions, helping to dissolve reactants or stabilize reaction intermediates, thereby enhancing yields and reaction rates.
  • Role in Nanotechnology: 2-Dodecylbenzenesulfonic acid has found a foothold in nanotechnology. It helps create stable colloidal suspensions, crucial for the development of nanomaterials.

With advancements in research, the versatility of 2-dodecylbenzenesulfonic acid continues to unfold, presenting new opportunities and challenges for chemists and industries alike. As we delve deeper into its mechanisms and interactions, it becomes clear that this compound is more than just a surfactant; it is a vital player in the ever-evolving world of chemistry.

Synonyms
Dodecylbenzenesulphonic acid
27176-87-0
2-DODECYLBENZENESULFONIC ACID
DODECYL BENZENE SULFONIC ACID
o-dodecylbenzenesulfonic acid
Dodecylbenzene sulfonic acid
Benzenesulfonic acid, 2-dodecyl-
47221-31-8
QMO4A07H35
2-dodecylbenzene-1-sulfonic acid
C18H30O3S
Dodecylbenzenesulfonic acid solution
Dodecylbenzenesulfonic Acid (70 wt. % in isopropanol, Technical grade, Mixture of different chain lengths)
DBSA
UNII-QMO4A07H35
SCHEMBL24533
2-dodecylbenzenesulphonic acid
dodecyl benzene sulphonic acid
SCHEMBL1714372
SCHEMBL6471485
DTXSID10860152
2-dodecylbenzene-1-sulphonic acid
CHEBI:149774
2-DODECYLBENZENESULFONICACID
AKOS015893068
HY-W250144
AS-76054
FD158287
DB-208524
DB-254596
CS-0256295
Dodecylbenzenesulfonic acid, 70% in isopropanol
Q27287337
61400-71-3