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Trichloro(octadecyl)silane

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Identification
Molecular formula
C18H37Cl3Si
CAS number
112-04-9
IUPAC name
trichloro(octadecyl)silane
State
State

At room temperature, trichloro(octadecyl)silane is a liquid. Its liquid state, coupled with its reactivity towards moisture, makes it commonly handled in controlled environments to prevent undesirable reactions.

Melting point (Celsius)
5.00
Melting point (Kelvin)
278.15
Boiling point (Celsius)
344.00
Boiling point (Kelvin)
617.15
General information
Molecular weight
381.18g/mol
Molar mass
381.1800g/mol
Density
0.9800g/cm3
Appearence

Trichloro(octadecyl)silane is a colorless to pale yellow liquid. It has a distinct odor and is often used in chemical synthesis and surface treatment processes. When exposed to moisture or water, it can hydrolyze, forming hydrochloric acid and a silanol, which may further react with other molecules or surfaces.

Comment on solubility

Solubility of Trichloro(octadecyl)silane

Trichloro(octadecyl)silane, with its chemical formula SiCl3(C18H37), exhibits unique solubility properties that are crucial for its applications. Here are some key points regarding its solubility:

  • Solvent Compatibility: This compound is generally soluble in organic solvents such as hexane, toluene, and chloroform, due to its long hydrocarbon chain.
  • Water Insolubility: Trichloro(octadecyl)silane is insoluble in water, influenced by its hydrophobic octadecyl group (-C18H37), which hinders interaction with polar solvents.
  • Temperature Effects: The solubility of silanes can often be influenced by temperature; typically, higher temperatures can increase solubility in organic solvents.
  • Reactivity: As a silane, it may interact with surfaces, leading to potential variations in its effective solubility when used in coatings or modified substratum.

In summary, the solubility properties of trichloro(octadecyl)silane reveal a strong preference for non-polar environments, making it a *versatile compound* in industrial applications, especially in surface modification and chemical synthesis processes. This behavior underscores the importance of understanding the solubility profile in the context of its practical uses.

Interesting facts

Interesting Facts about Trichloro(octadecyl)silane

Trichloro(octadecyl)silane is a fascinating compound that falls under the category of organosilicon compounds. Here are some remarkable aspects of this compound that highlight its significance in both chemical research and practical applications:

  • Surface Modification: This compound is widely known for its ability to modify surfaces. It is particularly used to create hydrophobic surfaces, which means it can repel water. This property is invaluable in various industries, especially in coatings and sealants.
  • Self-Assembled Monolayers (SAMs): Trichloro(octadecyl)silane can be used to form self-assembled monolayers. These SAMs are crucial in nanotechnology and materials science for enhancing adhesion, corrosion resistance, and biocompatibility.
  • Versatile Applications: The applications of this compound extend to several fields, including electronics, where it is used to improve the performance of semiconductor devices. It is also found in making anti-fogging and anti-scratch coatings.
  • Environmental Impact: With an increasing focus on environmentally friendly materials, the study of trichloro(octadecyl)silane contributes to the development of sustainable practices in chemical manufacturing.
  • Chemical Reactivity: The presence of the trichlorosilane group makes it more reactive, allowing for various chemical modifications. This reactivity is a topic of significant interest for researchers looking to develop new silicone-based materials.

As a chemist or a chemistry student, understanding the properties and implications of trichloro(octadecyl)silane leads to deeper insights into the broader field of silicon chemistry and its role in modern technology. Its versatility and functional attributes make it a compound worthy of exploration.

“The study of organosilicon compounds like trichloro(octadecyl)silane invites a fascinating journey through innovation and application in our daily lives.”

Synonyms
OCTADECYLTRICHLOROSILANE
112-04-9
Trichloro(octadecyl)silane
n-Octadecyltrichlorosilane
Trichlorooctadecylsilane
Silane, trichlorooctadecyl-
Silane, octadecyltrichloro-
octadecyl trichlorosilane
Stearyltrichlorosilane
Trichloro octadecyl silane
UNII-1QLE771PKE
HSDB 7783
EINECS 203-930-7
CO9750
NSC 96644
NSC-96644
UN1800
1QLE771PKE
DTXSID50868051
n-Octadecyltrichlorosilane (>90%)
Trichlorooctadecylsilane (>99.0%)
MFCD00000484
UN 1800
TRICHLORO(OCTADECYL)SILANE [HSDB]
Trichlorostearylsilane
Octadeciltriclorosilano
n-OTS
nOctadecyltrichlorosilane
Silane, octadecyltrichloro
Silane, trichlorooctadecyl
SCHEMBL79778
WLN: G-SI-GG18
ghl.PD_Mitscher_leg0.1312
DTXCID90816192
18-acetoxy-octadecyltrichlorosilane
NSC96644
Trichloro(octadecyl)silane, >=90%
Octadeciltriclorosilano (Spanish DOT)
Octadecyltrichlorosilane (French DOT)
AKOS008901233
FT62929
AS-85232
DB-041035
NS00041220
O0079
T3815
D91794
Octadecyltrichlorosilane [UN1800] [Corrosive]
Q651915
Octadecyltrichlorosilane;Stearyltrichlorosilane;Trichlorostearylsilane