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Sodium lauryl sulfate

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Identification
Molecular formula
C12H26O4S
CAS number
151-21-3
IUPAC name
dodecyl hydrogen sulfate
State
State

At room temperature, dodecyl hydrogen sulfate is usually found in a solid or thick liquid state, depending on the specific formulation, concentration, and purity. The commercial product is often available as a mixture, influencing its physical state and appearance.

Melting point (Celsius)
204.00
Melting point (Kelvin)
477.15
Boiling point (Celsius)
315.00
Boiling point (Kelvin)
588.15
General information
Molecular weight
288.38g/mol
Molar mass
288.3820g/mol
Density
1.0100g/cm3
Appearence

Dodecyl hydrogen sulfate typically appears as a clear colorless to pale yellow liquid, or as a white to pale yellow paste or solid, depending on its specific formulation and concentration. It can be slightly viscous in nature when in liquid form.

Comment on solubility

Solubility of Dodecyl Hydrogen Sulfate

Dodecyl hydrogen sulfate, with the chemical formula C12H25O4S, is an interesting compound when it comes to solubility. Its solubility characteristics can be summarized as follows:

  • Water Solubility: Dodecyl hydrogen sulfate exhibits limited solubility in water. This is due to its long hydrophobic dodecyl chain which does not favor interactions with polar water molecules.
  • Solvent Compatibility: It is more soluble in organic solvents. Typical solvents where dodecyl hydrogen sulfate shows considerable solubility include:
    • Alcohols (e.g., ethanol, methanol)
    • Chloroform
    • Acetone
  • Emulsifying Agent: Its amphiphilic nature allows it to function effectively as an emulsifying agent, making it useful in formulations where oil and water need to mix.

In summary, dodecyl hydrogen sulfate serves as a prime example of how amphiphilic compounds bridge the gap between polar and non-polar environments. Its solubility profile is essential for various applications, especially in surfactant technology, where understanding solvent interactions can lead to innovative solutions.


Interesting facts

Interesting Facts about Dodecyl Hydrogen Sulfate

Dodecyl hydrogen sulfate, also known as sodium dodecyl sulfate (SDS) when in its salt form, is a fascinating compound primarily used in laboratories and industrial processes. Here are some intriguing aspects of this compound:

  • Surfactant Properties: Dodecyl hydrogen sulfate is a powerful surfactant, which means it can effectively lower the surface tension of water. This property allows it to enhance the mixing of oil and water, making it invaluable in various applications like detergents and emulsifiers.
  • Biological Applications: In biochemistry, dodecyl hydrogen sulfate is often used in protein electrophoresis. It solubilizes proteins, allowing for their separation based on size, which is crucial for analyzing protein structures and functions.
  • Cosmetic Industry: This compound is also prominent in the cosmetic and personal care industries, where it is used in shampoos and cleansers. Its ability to create lather and remove oils makes it a popular choice in formulations.
  • Environmental Impact: Due to its widespread use, the environmental impact of dodecyl hydrogen sulfate has been a subject of research. It is important to study its biodegradability to prevent potential harm to aquatic ecosystems.
  • Versatile Use: Beyond the laboratory, dodecyl hydrogen sulfate finds applications in industries ranging from textiles to food processing, showcasing its versatility as a chemical agent.

As noted by experts in the field, “The capacity of dodecyl hydrogen sulfate to interact with various surfaces makes it a key player in formulating products that require stability and performance.” This statement underscores the importance of understanding such compounds in both practical and theoretical chemistry.

In conclusion, dodecyl hydrogen sulfate is more than just a chemical—it's a bridge between the worlds of science and everyday products, highlighting the significant role of chemistry in our lives.

Synonyms
Lauryl sulfate
DODECYL SULFATE
Dodecyl hydrogen sulfate
151-41-7
Lauryl sulphate
Sulfuric acid, monododecyl ester
N-Dodecyl sulfate
Dodecyl hydrogen sulphate
Monododecyl hydrogen sulfate
Lauryl sulfuric acid
Dodecylsulfuric acid
Dodecansulfonic acid, hydroxy-
HSDB 936
dodecyl sulphate
monododecyl sulfate
EINECS 205-791-8
UNII-DIQ16UC154
BRN 1710530
DIQ16UC154
CHEBI:45599
DTXSID0042088
3-01-00-02186 (Beilstein Handbook Reference)
LAURYL SULFATE (II)
LAURYL SULFATE [II]
hydrogen lauryl sulfate
laurylsulfate
CHEBI:23872
NSC633414
(Dodecyloxy)sulfonic acid
dodecylsulfat
dodecyl-sulfate
C12-Alkyl sulfate
SDS (*Sodium salt*)
SLS (*Sodium salt*)
SCHEMBL3353
Sodium lauryl sulfate (SDS)
BIDD:ER0376
DODECYL SULFATE [HSDB]
LAURYL SULFATE [VANDF]
C12-AS
CHEMBL1204779
DTXCID8022088
SULFURIC ACID MONOLAURYL ESTER
Lauryl sulfate Broth, for microbiology
DB03967
Sodium lauryl sulfate (*Sodium salt*)
Sodium dodecyl sulfate (*Sodium salt*)
DB-230301
NS00010587
EN300-26485163
BRD-K05680146-001-01-2
Q27094826
205-791-8