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4-dodecylbenzenesulfonic acid

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

At room temperature, 4-dodecylbenzenesulfonic acid is commonly found in a liquid state. However, it can also be in a waxy solid form depending on the specific environmental conditions.

Melting point (Celsius)
10.00
Melting point (Kelvin)
283.15
Boiling point (Celsius)
240.00
Boiling point (Kelvin)
513.15
General information
Molecular weight
340.55g/mol
Molar mass
340.5460g/mol
Density
1.0155g/cm3
Appearence

4-Dodecylbenzenesulfonic acid typically appears as a pale yellow to amber viscous liquid or a waxy solid. It may sometimes appear slightly cloudy. This compound is known to absorb moisture from the air.

Comment on solubility

Solubility of 4-Dodecylbenzenesulfonic Acid

4-Dodecylbenzenesulfonic acid, a complex organic compound, exhibits notable solubility characteristics owing to its unique structural properties. This compound is classified as a surfactant, which plays a crucial role in its interactions with solvents. Here are some key points regarding its solubility:

  • Water solubility: 4-Dodecylbenzenesulfonic acid is moderately soluble in water. Its sulfonic acid group imparts some polar character, enabling it to interact with water molecules.
  • Organic solvents: This compound shows higher solubility in organic solvents, such as ethanol, acetone, and chloroform, where its long hydrophobic dodecyl chain facilitates interactions.
  • Temperature influence: As with many organic compounds, the solubility of 4-dodecylbenzenesulfonic acid tends to increase with rising temperature, promoting molecular interactions with the solvent.

In practical applications, this solubility property makes 4-dodecylbenzenesulfonic acid valuable in formulations that require efficient dispersion of components. The ability to transition between hydrophilic and hydrophobic environments allows it to act effectively in various chemical processes and formulations.


Interesting facts

Interesting Facts about 4-Dodecylbenzenesulfonic Acid

4-Dodecylbenzenesulfonic acid is a fascinating compound that belongs to the family of alkylbenzenesulfonic acids, characterized by its long hydrocarbon chain. Here are some intriguing facts about this compound:

  • Surfactant Properties: Due to its unique structure, 4-dodecylbenzenesulfonic acid acts as an effective surfactant. This means it can significantly lower surface tension and improve wetting and emulsification, making it useful in various industrial applications.
  • Role in Polymer Chemistry: This compound plays a critical role in the synthesis of polystyrene and other polymers, facilitating their processing and properties.
  • Environmental Relevance: Its structure allows it to function as a dispersant in environmental remediation, aiding in the breakdown and removal of pollutants.
  • Biological Interactions: Research has suggested that compounds like 4-dodecylbenzenesulfonic acid can influence biological systems, potentially affecting membrane dynamics and functioning.

As a chemical scientist or a chemistry student, you may find it interesting that the balance of hydrophobic (the long dodecyl tail) and hydrophilic (the sulfonic acid group) properties in this compound allows it to interact not only with other organic molecules but also with water. This dual character makes it a versatile compound in both academia and industry.

In the words of renowned chemist Marie Curie, "Nothing in life is to be feared, it is only to be understood." The exploration of compounds like 4-dodecylbenzenesulfonic acid deepens our understanding of the molecular interactions that drive so many processes in chemistry!

Synonyms
4-DODECYLBENZENESULFONIC ACID
121-65-3
p-dodecylbenzenesulfonic acid
Benzenesulfonic acid, 4-dodecyl-
dodecyl benzenesulfonic acid
p-Dodecylbenzenesulphonic acid
OC21S23N1O
4-Dodecylbenzene-1-sulfonic acid
EINECS 204-489-3
MFCD00066677
DTXSID8050443
CHEBI:149776
NSC-85535
BENZENESULFONIC ACID, P-DODECYL-
UNII-OC21S23N1O
Dodecylbenzenesulfonic Acid (mixture of isomers) (Technical Grade)
NCIOpen2_009334
NCIOpen2_009442
NCIOpen2_009482
NCIOpen2_009494
NCIOpen2_009524
4-dodecylbenzenesulphonic acid
p-dodecylbenzene sulfonic acid
SCHEMBL197275
CHEMBL2219674
DTXCID8029812
4-DODECYLBENZENESULFONICACID
AKOS015839864
FD63165
NCGC00164291-02
CS-15762
HY-23059
NCI60_041891
NCI60_041897
CS-0043611
NS00001378
D72700
EN300-227121
Q27285559
4-Dodecylbenzenesulfonic acid - mixture of C10-C13 isomers