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Hexamethyldisiloxane

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Identification
Molecular formula
C6H18OSi2
CAS number
107-46-0
IUPAC name
trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-silane
State
State

Hexamethyldisiloxane is a liquid at room temperature, known for its ability to dissolve a variety of substances. Its low boiling point contributes to its usage in high-vacuum, low-temperature distillations and reactions that require moisture-sensitive conditions.

Melting point (Celsius)
-68.00
Melting point (Kelvin)
205.15
Boiling point (Celsius)
100.50
Boiling point (Kelvin)
373.65
General information
Molecular weight
162.39g/mol
Molar mass
162.3890g/mol
Density
0.7645g/cm3
Appearence

Hexamethyldisiloxane is a clear, colorless liquid with a slight, characteristic odor. It is used as a solvent and a reagent in organic synthesis, often noted for its volatility and low viscosity. It tends to evaporate quickly when exposed to air.

Comment on solubility

Solubility of Trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-silane

Trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-silane is a compound with intriguing solubility characteristics. Generally, its solubility profile can be influenced by several factors:

  • Polarity: The presence of numerous trimethylsilyl groups in the structure typically makes it more nonpolar, suggesting that it may have limited solubility in polar solvents.
  • Solvent Type: This compound might dissolve better in nonpolar or mildly polar organic solvents such as:
    1. Hexane
    2. Toluene
    3. Chloroform
  • Temperature: Temperature can play a significant role in enhancing solubility. As temperature increases, the solubility of many compounds tends to increase as well.
  • Concentration: Like many organosilicon compounds, the solubility may be concentration-dependent, where lower concentrations might show different behavior than higher concentrations.

In summary, the solubility of trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-silane is likely to be complex and requires consideration of the interaction with various solvents to fully understand its behavior. As always, empirical testing is essential for determining the exact solubility characteristics in specific conditions.

Interesting facts

Interesting Facts about Trimethyl-[Methyl-bis(trimethylsilyloxy)silyl]oxy-silane

Trimethyl-[Methyl-bis(trimethylsilyloxy)silyl]oxy-silane is a fascinating silane compound that plays a significant role in various fields due to its unique properties. Here are some intriguing points about this compound:

  • Surface Modification: This compound is often utilized in surface chemistry for modifying materials. Its ability to form siloxane bonds makes it an excellent choice for enhancing the properties of surfaces, thereby improving adhesion and hydrophobic characteristics.
  • Silicon-Based Materials: As a silicon-containing compound, it finds extensive applications in the production of silicone polymers and resins, which are known for their heat resistance and mechanical stability.
  • Versatility: One of the notable features of trimethyl-[Methyl-bis(trimethylsilyloxy)silyl]oxy-silane is its versatility in various chemical reactions. It can act as a coupling agent, promoting the bonding of organic and inorganic materials.
  • Treatment of Glass and Ceramics: This compound is particularly effective in treating glass and ceramic surfaces, improving their durability and making them easier to clean. Its unique structure allows for a strong attachment on these substrates.
  • Silane Family: Being a member of the silane family, it shares common characteristics with other silanes, like providing moisture-repellent properties and promoting adhesion; however, its specific methyl and trimethylsilyloxy groups offer unique advantages in performance.

In conclusion, the functionality and adaptability of trimethyl-[Methyl-bis(trimethylsilyloxy)silyl]oxy-silane make it an invaluable asset in materials science, coatings, and adhesives. Its continued study and application promise to unravel even further potentials in advanced materials development.

Synonyms
METHYLTRIS(TRIMETHYLSILOXY)SILANE
Methyl trimethicone
methyl tris(trimethylsiloxy)silane
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]-
1,1,1,3,5,5,5-Heptamethyl-3-((trimethylsilyl)oxy)trisiloxane
1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane
UNII-S73ZQI0GXM
S73ZQI0GXM
EINECS 241-867-7
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-((trimethylsilyl)oxy)-
tris(trimethylsiloxy)methylsilane
DTXSID9025669
TMF-1.5
EC 241-867-7
Methyl tris-(trimethylsilyloxy)silane
DTXCID105669
METHYL TRIMETHICONE [INCI]
RGMZNZABJYWAEC-UHFFFAOYSA-N
17928-28-8
trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane
MFCD00040007
1,1,1,3,5,5,5-heptamethyl-3-trimethylsilanyloxy-trisiloxane
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-(trimethylsiloxy)-
SCHEMBL41363
SCHEMBL1181319
CHEBI:144342
1,1,1,3,5,5,5-HEPTAMETHYL-3-(TRIMETHYLSILOXY)TRISILOXANE
AKOS024462729
FS-3855
SY234853
DB-044358
H1612
NS00051751
D91052
Q27288754
trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxy-silane
2,2,4,6,6-pentamethyl-4-[(trimethylsilyl)oxy]-3,5-dioxa-2,4,6-trisilaheptane