Skip to main content

Octamethyltrisiloxane

ADVERTISEMENT
Identification
Molecular formula
C8H24O2Si3
CAS number
107-51-7
IUPAC name
[dimethyl(trimethylsilyloxy)silyl]oxy-[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane
State
State

At room temperature, Octamethyltrisiloxane is a liquid. It is known for its volatility and is often used in applications requiring quick evaporation.

Melting point (Celsius)
-71.00
Melting point (Kelvin)
202.15
Boiling point (Celsius)
153.00
Boiling point (Kelvin)
426.15
General information
Molecular weight
236.54g/mol
Molar mass
236.5380g/mol
Density
0.8295g/cm3
Appearence

Octamethyltrisiloxane is a clear, colorless liquid. It is characterized by its low viscosity and relatively low surface tension, making it feel slippery to the touch.

Comment on solubility

Solubility of [dimethyl(trimethylsilyloxy)silyl]oxy-[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane

The solubility of the compound [dimethyl(trimethylsilyloxy)silyl]oxy-[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane is influenced by various structural factors. Here are some key points to consider:

  • Silicon-Based Structure: Due to its silicon-centered framework, the compound exhibits a degree of hydrophobicity, which often leads to limited solubility in polar solvents.
  • Functional Groups: The presence of multiple Si-O bonds derived from the trimethylsilyloxy groups can enhance solubility in organic solvents that can solvate silicon compounds, such as hexane or toluene.
  • Chain Length: The long and branched nature of the compound may hinder solubility in water, as longer hydrocarbon chains usually promote nonpolar characteristics.
  • Temperature Influence: As with many silicon-containing compounds, an increase in temperature tends to improve solubility as it can disrupt intermolecular forces.

In summary, while this compound is likely to demonstrate limited solubility in polar solvents such as water, one can expect improved solubility in nonpolar organic solvents due to its silicon-rich structure. A thorough investigation of solubility in various media is recommended for practical applications.

Interesting facts

Interesting Facts about [dimethyl(trimethylsilyloxy)silyl]oxy-[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane

This compound, with its intricate name, is a fascinating example of organosilicon chemistry. Its complex structure showcases the versatility of silicon in creating functional materials that have broad applications in various fields.

Key Features:

  • Silane Chemistry: This compound is part of the silane family, which are silicon analogs of alkanes. Silanes are crucial in the development of advanced materials, especially in coatings and sealants.
  • Versatile Applications: The compound's structure suggests its potential for use in high-performance adhesives and sealants, electronics, and as a precursor in the synthesis of silicon-based polymers.
  • Surface Modification: With multiple silyl ether groups, this compound can enhance the properties of surfaces, providing hydrophobicity or chemical resistance—a valuable feature in many industrial applications.
  • Chemical Stability: The presence of trimethylsilyloxy groups can impart significant stability to the compound, making it useful in formulations that require long shelf lives.

Scientific Perspectives:

Chemists are often fascinated by the possibilities that such siloxane compounds provide. They can be used to control the morphology of nanostructures or as agents in the modification of surfaces at the molecular level. The interplay between silicon and its functional groups allows for endless creativity in material design.

As one researcher noted, "The unique properties of silicon compounds enable innovations that were once thought to be science fiction." The journey of silicon-based research continues to unfold, revealing new potential and applications in technology and beyond.

Conclusion:

This compound epitomizes the complexity and utility of organosilicon compounds. Their ability to blend into various applications while maintaining stability and functional diversity makes them invaluable in modern chemistry.

Synonyms
OCTADECAMETHYLOCTASILOXANE
556-69-4
Octasiloxane, octadecamethyl-
EINECS 209-138-8
DTXSID5060306
HSDB 8421
Octasiloxane, 1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,15-octadecamethyl-
DTXCID2041917
209-138-8
[dimethyl(trimethylsilyloxy)silyl]oxy-[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane
octadecamethyl-octasiloxane
SCHEMBL475568
OCTASILOXANE, OCTADECAMETHYL
AS-76104
SY248764
NS00043585
D93508