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Polydimethylsiloxane (PDMS)

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Identification
Molecular formula
(C2H6OSi)n
CAS number
63148-62-9
IUPAC name
[dimethyl(trimethylsilyloxy)silyl]oxy-[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane
State
State

At room temperature, polydimethylsiloxane is typically a liquid but can be cured into a solid elastomer. Its state depends on the specific formulation and molecular weight. Low molecular weight PDMS is a viscous liquid, whereas higher molecular weights result in a rubber-like elastic solid.

Melting point (Celsius)
-40.00
Melting point (Kelvin)
233.15
Boiling point (Celsius)
200.00
Boiling point (Kelvin)
473.15
General information
Molecular weight
74.17g/mol
Molar mass
74.1740g/mol
Density
0.9650g/cm3
Appearence

Polydimethylsiloxane (PDMS) is a transparent, colorless, and odorless fluid. It has a greasy feel and is known for its flexibility and water-repelling properties. It is often used in various forms including fluids, gels, and elastomers. The viscosity of PDMS can vary widely depending on its molecular weight and composition, leading to materials that can range from watery fluids to thick, gel-like substances.

Comment on solubility

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

The compound [dimethyl(trimethylsilyloxy)silyl]oxy-[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane exhibits unique solubility characteristics due to its complex siloxane architecture. Its solubility can be influenced by various factors, including:

  • Solvent Polarity: The presence of trimethylsilyloxy groups in the structure may enhance solubility in non-polar solvents like hexane, while limiting solubility in highly polar solvents like water.
  • Functional Groups: The dimethyl groups typically promote compatibility with organic solvents and may assist in dissolution processes.
  • Temperature: Increased temperatures can often enhance solubility, although this may depend on the specific molecular interactions present.

It is generally noted that silanes and their derivatives, such as this compound, tend to have limited solubility in aqueous solutions, owing to their hydrophobic silane characteristics. In contrast, they may exhibit better solubility in organic solvents, making them suitable for various applications in materials science.

Overall, understanding the solubility of this complex compound is essential for its potential applications and interactions in chemical processes.

Interesting facts

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

This fascinating compound is part of the silane family, which are silicon-based compounds known for their unique chemical properties and applications. Here are some intriguing aspects:

  • Versatile Applications: Silanes, particularly this one, have remarkable uses in industries such as coatings, adhesives, and sealants due to their excellent adhesion properties.
  • Hybrid Structures: The compound features a complex structure with multiple functional groups, allowing it to create hybrid materials that combine organic and inorganic properties. This ability enhances the performance of materials in various environments.
  • Silicon Chemistry: Understanding compounds like this one helps chemists delve into the realm of silicon chemistry, which is critical for developing new materials like silicon-based semiconductors, adding to the evolving technological landscape.
  • Innovative Research: Researchers are continuously exploring the potential of silanes in nanotechnology, biomaterials, and surface modification, paving the way for advanced applications in the fields of medicine and electronics.

As a noteworthy compound, [dimethyl(trimethylsilyloxy)silyl]oxy-[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane opens new avenues of exploration in material science. Its intricate structure and functional versatility make it a subject of much study and innovation. In the words of a renowned chemist, "The future of material science lies in the marriage of chemistry and technology."


Synonyms
TETRADECAMETHYLHEXASILOXANE
107-52-8
Hexasiloxane, tetradecamethyl-
tetradecamethyl hexasiloxane
1,1,1,3,3,5,5,7,7,9,9,11,11,11-Tetradecamethylhexasiloxane
[dimethyl(trimethylsilyloxy)silyl]oxy-[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethylsilyl]oxy-dimethylsilane
UNII-2Z34S42KA0
2Z34S42KA0
EINECS 203-499-5
MFCD08275354
DTXSID3059349
TETRADECAMETHYLHEXASILOXANE [MI]
1,1,1,3,3,5,5,7,7,9,9,11,11,11,-Tetradecamethylhexasiloxane
Hexasiloxane, 1,1,1,3,3,5,5,7,7,9,9,11,11,11-tetradecamethyl-
tetradecamethylhexasiloxan
SCHEMBL248185
DTXCID0033041
CS-B1763
AKOS028108445
AS-49449
SY235344
DB-321722
NS00041293
T3685
I10490
Q27255825
1,1,1,3,3,5,5,7,7,9,9,11,11,11-Tetradecamethylhexasiloxane #
2,2,4,4,6,6,8,8,10,10,12,12-dodecamethyl-3,5,7,9,11-pentaoxa-2,4,6,8,10,12-hexasilatridecane
203-499-5
Hexasiloxane, 1,1,1,3,3,5,5,7,7,9,9,11,11,11-tetradecamethyl- (ACI); 1,1,1,3,3,5,5,7,7,9,9,11,11,11-Tetradecamethylhexasiloxane (ACI); Hexasiloxane, tetradecamethyl- (6CI, 7CI, 8CI, 9CI); [Dimethyl(trimethylsilyloxy)silyl]oxy-[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethylsilyl]oxy-dimethylsilane