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Octamethylcyclotetrasiloxane

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Identification
Molecular formula
C8H24O4Si4
CAS number
556-67-2
IUPAC name
2,2,4,4,6,6,8-heptamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
State
State
Octamethylcyclotetrasiloxane is typically a liquid at room temperature, featuring a low viscosity similar to that of hydrocarbon oils.
Melting point (Celsius)
17.80
Melting point (Kelvin)
290.95
Boiling point (Celsius)
175.60
Boiling point (Kelvin)
448.75
General information
Molecular weight
296.62g/mol
Molar mass
296.6200g/mol
Density
1.2120g/cm3
Appearence

Octamethylcyclotetrasiloxane is a colorless, odorless liquid with a distinctly oily texture. It is commonly encountered as a constituent of certain silicon-based materials and formulations.

Comment on solubility

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

The solubility of 2,2,4,4,6,6,8-heptamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane in various solvents can be quite intriguing due to its unique structure. Here are some key points to consider:

  • Polar solvents: Due to the presence of multiple oxo groups, this compound may exhibit some degree of solubility in polar solvents such as water or ethanol, although it is primarily hydrophobic.
  • Nonpolar solvents: Its bulky hydrocarbon components suggest a higher solubility in nonpolar solvents like hexane or toluene, making it favorable for organic applications.
  • Temperature effects: Solubility can significantly vary with temperature; typically, higher temperatures can enhance solubility in organic solvents.
  • Structural influences: The numerous methyl and phenyl groups can hinder close packing, leading to a lower overall solubility.

In conclusion, the solubility of 2,2,4,4,6,6,8-heptamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane is dictated by its unique structural characteristics and the nature of the solvent. As with many chemical compounds, understanding its solubility behavior is critical for applications in various fields.

Interesting facts

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

This complex compound, often referred to in abbreviated forms, showcases the fascinating interplay of silicon and oxygen in its structure, which contributes to its unique properties. Here are some intriguing aspects about this compound:

  • Silicon-oxygen Framework: The backbone of this molecule consists of alternating silicon and oxygen atoms, which forms a robust framework that can provide excellent thermal and chemical stability.
  • Versatile Applications: Compounds like this one are often explored for their potential uses in materials science, particularly in the fields of nanotechnology and polymer science.
  • Silicones Influence: The incorporation of siloxane linkages in the compound's structure positions it alongside silicones, which are well-known for their elasticity and susceptibility to temperature changes.
  • Methyl and Phenyl Substituents: The various methyl and phenyl groups bonded to the silicon atoms can significantly alter the physical properties, including viscosity and surface tension, making them interesting for applications like coatings and lubricants.
  • Research Interest: Scientists are particularly interested in such compounds for their potential role in creating new materials that possess both flexibility and strength, crucial for advancing electronic components.
  • Comparative Studies: The structure of this molecule allows for comparative studies with other tetraoxasilanes, which can deepen our understanding of how substituents influence molecular behavior.

As you delve deeper into the chemistry of such complex siloxane compounds, remember the words of famed chemist Linus Pauling: "The greatest scientists are always artists as well." This compound exemplifies the artistry of molecular design and the beauty of chemical synthesis.

Synonyms
10448-09-6
Cyclotetrasiloxane, heptamethylphenyl-
HEPTAMETHYLPHENYLCYCLOTETRASILOXANE
Monophenylheptamethylcyclotetrasiloxane
PM(sub 1)MM(sup 3)
EINECS 233-931-8
Monophenylheptamethyl cyclotetrasiloxane
BRN 2950424
Cyclic monophenylheptamethylcyclotetrasiloxane
4-16-00-01520 (Beilstein Handbook Reference)
50Q464790P
DTXSID9073389
phenylheptamethylcyclotetrasiloxane
PST 433
PST-433
1-PHENYL-1,3,3,5,5,7,7-HEPTAMETHYLCYCLOTETRASILOXANE
CYCLOTETRASILOXANE, 2,2,4,4,6,6,8-HEPTAMETHYL-8-PHENYL-
DTXCID3032880
233-931-8
2,2,4,4,6,6,8-heptamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
2,2,4,4,6,6,8-Heptamethyl-8-phenyl-[1,3 ,5,7,2,4,6,8]cyclotetrasiloxane
SCHEMBL526352
heptamethylphenylcyclo-tetrasiloxane
UNII-50Q464790P
heptamethyl-phenyl-cyclotetrasiloxane
NS00051924