Skip to main content

Octamethylcyclotetrasiloxane

ADVERTISEMENT
Identification
Molecular formula
C8H24O4Si4
CAS number
556-67-2
IUPAC name
2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
State
State

At room temperature, octamethylcyclotetrasiloxane is a liquid. It is often found in personal care products and industrial applications due to its fluid properties.

Melting point (Celsius)
17.00
Melting point (Kelvin)
290.15
Boiling point (Celsius)
175.00
Boiling point (Kelvin)
448.15
General information
Molecular weight
296.62g/mol
Molar mass
296.6180g/mol
Density
0.9560g/cm3
Appearence

Octamethylcyclotetrasiloxane is a colorless, viscous liquid. It has a relatively low viscosity compared to more complex siloxane polymers and is noted for its distinctive silicone-like odor.

Comment on solubility

Solubility of 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

The solubility of 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane is an intriguing topic, as it involves the conversion of complex organic molecules into a solvated form that can easily interact with a solvent.

Generally, the solubility of such organosilicon compounds can be affected by several factors including:

  • Molecular Structure: The extensive branching and presence of multiple methyl groups likely contribute to its bulky structure, which may hinder effective solvation.
  • Polarity: The tetraoxygen atoms introduce some degree of polarity; however, the overall nonpolar character of the long hydrocarbon chains can limit solubility in polar solvents.
  • Temperature: Solubility can increase with temperature, thereby influencing the interaction between solute and solvent.
  • Solvent Type: While it may exhibit limited solubility in polar solvents like water, it might dissolve better in nonpolar solvents such as hexane or toluene.

In summary, **the solubility of 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane** is expected to be low in polar solvents, while it could find better compatibility with nonpolar solvents. This highlights the general principle that **"like dissolves like"** is key to understanding solubility in chemical compounds.

Interesting facts

Interesting Facts about 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

This fascinating compound, known as 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, is a member of a unique class of siloxanes. It features several intriguing properties and applications that make it worthy of discussion in the field of chemistry.

Key Characteristics

  • Siloxane Backbone: This compound contains a siloxane chain, which is characterized by alternating silicon and oxygen atoms. This backbone is integral to the unique properties of the compound.
  • Functional Groups: The presence of multiple methyl groups enhances the hydrophobic and non-polar nature, influencing its interactions with other substances.
  • Versatile Applications: Compounds like this are often utilized in commercial and industrial applications, such as in sealants, adhesives, and coatings due to their stability and resilience.

Interesting Applications

This compound serves as a prime example of how siloxane chemistry can open doors to innovative solutions in various fields. Some of the notable areas of application include:

  • Personal Care Products: Siloxanes are commonly used in cosmetics to provide a smooth and glossy finish.
  • Pharmaceuticals: Its stable framework allows for use in drug delivery systems where a longer-lasting compound is desirable.
  • Material Science: Researchers explore its properties for potential uses in designing new materials, especially those requiring flexibility and heat resistance.

In conclusion, the compound 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane reveals the rich interplay between structure and application in chemistry. As a future chemist, delving into such complex molecules not only enhances understanding of siloxane chemistry but also inspires innovation across various scientific disciplines.

Synonyms
SCHEMBL116238
2,2,4,4,6,6,8-Heptamethylcyclooctanetetrasiloxane
CLTMUXYRYKDGOK-UHFFFAOYSA-N
AKOS028110610
DB-319624
2,2,4,4,6,6,8-Heptamethylcyclotetrasiloxane; 1,3,3,5,5,7,7-Heptamethylcyclotetrasiloxane; Heptamethylcyclotetrasiloxane