Technical articles

Alkylsilanes: Structural Features, Surface Reactions, Applications, and Product Selection

1. Definition of Alkylsilanes and How They Differ from Silane Coupling Agents
 
The basic structural feature of an alkylsilane is that the silicon atom is bonded to one or more alkyl groups. If the molecule also contains hydrolyzable groups such as methoxy or ethoxy groups, it forms a commonly used class in practical applications, namely alkyl alkoxysilanes. For inorganic substrates such as glass, silica, mineral fillers, masonry, and concrete, the function of these molecules mainly comes from two parts: the silicon end can be anchored to the inorganic surface through hydrolysis and condensation, while the alkyl end primarily changes the surface energy, wettability, and water absorption behavior of the treated surface.
 
From the standpoint of molecular function, alkylsilanes that do not contain organic reactive functional groups are usually not classified as silane coupling agents in the typical sense. A typical silane coupling agent generally contains two types of reactive moieties in the same molecule: one that binds to inorganic materials and another that binds to organic materials. Even if an alkylsilane without such organic reactive functional groups can be fixed onto an inorganic surface, its organic end mainly provides hydrophobicity and surface energy adjustment, and it is generally not used primarily as a chemical bridge between the inorganic phase and the organic phase.
 
The table below compares the structural features, primary functions, and common application directions of these two classes of materials for easier distinction.
 
Type
Inorganic-End Features
Organic-End Features
Primary Function
Typical Application Focus
Alkylsilanes without organic reactive functional groups
Contain hydrolyzable silyl groups and can form siloxane-type bonding layers on inorganic surfaces
Mainly alkyl groups, without typical organic reactive functional groups such as amino, epoxy, or methacryloxy groups
Lower surface energy, increase hydrophobicity, and adjust water absorption and wetting behavior
Hydrophobic treatment of building materials, hydrophobic surface modification of inorganic fillers and pigments, surface energy adjustment
Typical functional silane coupling agents
Contain hydrolyzable silyl groups and can bind to inorganic surfaces
Contain amino, epoxy, vinyl, methacryloxy, or similar groups
Provide interfacial bonding or reactive sites between the inorganic phase and the organic phase
Interfacial reinforcement in composites, resin adhesion, coupling between inorganic fillers and polymer systems
 
Taking octyltriethoxysilane, CAS 2943-75-1, as an example, the schematic molecular structure of this compound consists of two parts: an octyl end and a triethoxysilyl group. The octyl end reflects the organic-end characteristics of an alkylsilane, while the triethoxysilyl group can form silanols after hydrolysis and can further undergo condensation with inorganic surfaces.
 
 
 
2. Structural Composition of Alkylsilanes and Their Surface Reactions
 
Alkylsilanes can be understood in terms of two parts: the alkyl end and the hydrolyzable silicon end. The alkyl end mainly influences the degree of nonpolarity, surface energy, and wetting behavior of the treated surface, whereas the hydrolyzable silicon end determines whether the molecule can be fixed onto an inorganic surface through hydrolysis and condensation. In surface treatment, whether the hydrolyzable silicon end can form a stable surface-bonded layer affects the water resistance and durability of the treatment layer.
 
The action of alkylsilanes bearing hydrolyzable alkoxy groups on inorganic surfaces usually follows the main sequence of hydrolysis and condensation. The alkoxy groups in the molecule first hydrolyze to form silanols. The silanols then condense with hydroxyl groups on the substrate surface or with neighboring silanols, forming Si-O-substrate bonds or Si-O-Si structures. Materials such as glass, silica, mineral fillers, concrete, and masonry are commonly used as treatment targets, mainly because their surfaces usually contain hydroxyl groups or oxide surface sites that can participate in such reactions.
 
The type of hydrolyzable group affects the hydrolysis rate, the stability after incorporation into a formulation, and the structural features formed after condensation. Methoxy types usually hydrolyze more quickly. Ethoxy types usually hydrolyze more slowly, show higher stability after being added to a system, and release ethanol upon hydrolysis. Dialkoxy types generally show better stability after hydrolysis and tend to form more linear structures after condensation. Trialkoxy types are more reactive and more readily form networks with a higher degree of crosslinking. It should be noted that these differences can serve as a basis for selection, but their actual performance is still influenced by system composition, water addition method, pH, and catalytic conditions.
 
The table below summarizes how these structural factors correspond to property changes and selection guidance.
 
Structural Factor
Main Effect
Significance for Selection
Alkyl end
Changes surface energy, wetting behavior, and hydrophobicity
Used to judge whether the emphasis is more on surface water repellency or on general surface energy adjustment
Methoxy type
Faster hydrolysis
Suitable for systems requiring relatively rapid surface reaction, but places higher demands on water addition and application control
Ethoxy type
Slower hydrolysis and higher stability after incorporation into the system
Suitable for systems that place greater importance on workable time and formulation stability
Dialkoxy type
Better stability after hydrolysis and a more linear condensation structure
Suitable for situations where system stability and structural regularity are of concern
Trialkoxy type
Higher reactivity and easier formation of structures with higher crosslink density
Suitable for situations that emphasize surface anchoring and treatment-layer stability
 
3. Common Classifications of Alkylsilanes, Representative Products, and Their Main Characteristics
 
Classification Axis
Category
Representative Products (Examples)
Main Characteristics of This Category
By hydrolyzable silicon end
Methoxy-type alkyl alkoxysilanes
Methyltrimethoxysilane, ethyltrimethoxysilane, propyltrimethoxysilane, octyltrimethoxysilane, hexadecyltrimethoxysilane, octadecyltrimethoxysilane
Usually hydrolyze relatively quickly and are suitable for systems requiring relatively rapid surface reaction, but they also place higher demands on the water addition method, formulation stability, and application control.
By hydrolyzable silicon end
Ethoxy-type alkyl alkoxysilanes
Methyltriethoxysilane, ethyltriethoxysilane, n-propyltriethoxysilane, butyltriethoxysilane, octyltriethoxysilane, dodecyltriethoxysilane, hexadecyltriethoxysilane
Usually hydrolyze relatively slowly and show comparatively higher stability after incorporation into a system. They are very common in the hydrophobic treatment of building materials, mineral fillers, and pigments.
By alkyl chain length
Low-carbon basic types
Methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, ethyltriethoxysilane, propyltrimethoxysilane, n-propyltriethoxysilane, n-butyltrimethoxysilane, butyltriethoxysilane
More commonly used for basic surface treatment, organosilicon intermediate studies, and chain-length comparison. Their hydrophobicity is usually weaker than that of medium-chain and long-chain types.
By alkyl chain length
Medium-chain hydrophobizing types
Hexyltrimethoxysilane, hexyltriethoxysilane, octyltrimethoxysilane, octyltriethoxysilane
Often strike a balance among hydrophobicity, application compatibility, and compatibility with organic phases. Among them, octyltriethoxysilane is a common representative product for this type of application.
By alkyl chain length
Long-chain surface-modifying types
Dodecyltriethoxysilane, hexadecyltrimethoxysilane, hexadecyltriethoxysilane, octadecyltrimethoxysilane
More oriented toward low surface energy and highly hydrophobic surfaces. Commonly used for long-chain hydrophobic modification of substrates such as glass, silica, and oxide particles.
By alkyl chain architecture
Linear alkyl types
n-Propyltriethoxysilane, n-butyltrimethoxysilane, hexyltriethoxysilane, octyltriethoxysilane, octadecyltrimethoxysilane
A very common class in both products and research. It is convenient for continuous comparison of surface wettability, hydrophobicity, and coating-layer properties as a function of chain length.
By alkyl chain architecture
Branched alkyl types
Isobutyltrimethoxysilane, isobutyltriethoxysilane, triethoxy(2,4,4-trimethylpentyl)silane
Suitable for comparing how changes in chain architecture affect surface energy, wetting behavior, and dispersion performance, and often used as structural controls against linear-chain systems.
By silicon-end precursor type
Alkyl chlorosilane types
Methyltrichlorosilane, ethyltrichlorosilane, n-octyltrichlorosilane, trichloro(hexadecyl)silane, trichloro(octadecyl)silane
Higher reactivity and greater moisture sensitivity. Commonly used for surface chlorosilylation under strictly controlled low-moisture conditions and for monolayer or thin-layer surface treatment.
 
4. Typical Applications of Alkylsilanes and the Corresponding Product Categories
 
Typical Application
Alkylsilane Categories Often Considered First
Representative Product Examples
Main Role Played by Alkylsilanes
Hydrophobic protection of porous inorganic substrates such as concrete, masonry, and natural stone
Medium-chain monomeric alkyl trialkoxysilanes
Octyltriethoxysilane, octyltrimethoxysilane
Mainly used to penetrate into the near-surface region of the substrate and form a hydrophobic zone, thereby reducing the ingress of liquid water and water-borne contaminants. Such treatment usually emphasizes penetration and bonding to the substrate surface rather than the formation of a thick surface coating.
Hydrophobic surface modification of inorganic fillers, pigments, and mineral powders
Medium-chain alkyl alkoxysilanes
Hexyltrimethoxysilane, octyltriethoxysilane, octyltrimethoxysilane
Mainly used to impart hydrophobicity, reduce water absorption, adjust surface energy, and improve particle wetting, compatibility, and dispersion behavior in polymer or solvent systems. Octyltriethoxysilane is a representative product for this application.
Low-surface-energy treatment of glass, silica, and oxide surfaces
Long-chain alkyl alkoxysilanes or long-chain alkyl chlorosilanes
Octadecyltrimethoxysilane, hexadecyltrimethoxysilane, trichloro(octadecyl)silane, trichloro(hexadecyl)silane
Mainly used to lower surface energy, increase hydrophobicity, and carry out surface-layer or thin-layer surface modification. Long-chain alkyl products are more common in this type of application.
Introduction of alkyl groups in basic formulations and sol-gel systems
Low-carbon basic alkyl trialkoxysilanes
Methyltriethoxysilane, methyltrimethoxysilane, propyltrimethoxysilane, n-propyltriethoxysilane
Mainly used to introduce basic alkyl-derived hydrophobicity and to participate in siloxane network formation. These products are more commonly seen in basic formulations, precursor studies, and general surface treatment.
Studies on hydrolysis-condensation behavior, chain-length effects, and structural controls
Methoxy-type, ethoxy-type, linear, and branched alkyl alkoxysilanes ranging from low-carbon to medium-chain types
Methyltrimethoxysilane, methyltriethoxysilane, n-propyltriethoxysilane, n-butyltrimethoxysilane, isobutyltrimethoxysilane, hexyltriethoxysilane
Mainly used to compare how hydrolyzable groups, chain length, and chain architecture affect hydrolysis-condensation behavior, surface hydrophobicity, and wetting behavior. Among them, methoxy types usually hydrolyze faster, whereas ethoxy types are usually more stable.
Surface chlorosilylation under strictly controlled low-moisture conditions
Alkyl chlorosilane types
Methyltrichlorosilane, ethyltrichlorosilane, n-octyltrichlorosilane, trichloro(octadecyl)silane
Mainly used for moisture-sensitive surface treatment or studies on surface-layer construction. Compared with ordinary alkoxysilanes, these products usually require stricter moisture control and more demanding operating conditions.
 
5. Main Synthetic Routes to Alkylsilanes
 
5.1 Hydrosilylation Route
 
This is one of the important synthetic routes to alkylsilanes. In this approach, a silane containing an Si-H bond is added across an alkene or alkyne to directly form an Si-C bond. If the silane used already contains alkoxy groups, the product can directly enter the alkyl alkoxysilane class. If chlorosilanes or other Si-H precursors are used, silicon-end conversion is carried out in a subsequent step. Hydrosilylation has long been regarded as an important reaction for forming organosilicon compounds in organosilicon chemistry, and it is also widely used in the preparation of silane coupling agents and other organosilicon materials.
 
5.2 Establish the Si-C Bond First, Then Convert the Silicon End
 
The core of this route is to first obtain an alkyl chlorosilane or another alkyl-containing silicon intermediate, and then convert Si-Cl or Si-H into Si-OR to obtain the methoxy-type or ethoxy-type alkylsilanes commonly used in practical applications. For products used in surface treatment and hydrophobic modification, the final products are usually alkoxysilanes rather than chlorosilanes, which hydrolyze more readily. Separating Si-C bond construction from silicon-end conversion into two steps is a very common organizational strategy in research and development.
 
5.3 Organometallic Substitution Route
 
This type of route is common in laboratory synthesis. A typical strategy is to first introduce the alkyl group onto the silicon center using a Grignard reagent or another organometallic reagent, and then obtain the target alkylsilane or its precursor. Its advantage lies in greater structural design flexibility, making it suitable for target molecules that are not convenient to access directly through hydrosilylation. However, in terms of industrial generality and atom economy, this type of method is usually less important than hydrosilylation or direct industrial processes.
 
5.4 Direct Synthesis Route
 
This route mainly corresponds to the industrial upstream preparation of organochlorosilanes, especially in low-carbon systems. A typical approach is the reaction of elemental silicon with organic chlorides under copper-catalyzed conditions to give a mixture of organochlorosilanes, followed by separation of the target product. Among these, the most classic industrial system is the methyl chloride route.
 
6. Navigation Table for Alkylsilanes and Related Surface Treatment Products (Choose Table 1 to Table 4 according to your research or experimental objective)
 
Research or Experimental Objective
Recommended Table to Read First
Why Start with This Table
Suggested Related Table(s)
Why Link to That Table
To first distinguish whether the task at hand is “interfacial coupling” or “hydrophobic treatment”
Table 1, Table 2
Table 1 focuses on functional silanes that can participate in reactions with the organic phase, while Table 2 focuses on basic alkyl alkoxysilanes from low-carbon to medium-chain types, making it easier to separate the application purposes of these two product classes at the outset
Table 3
Table 3 can then be used to further compare the common roles of medium- and long-chain alkylsilanes in hydrophobic treatment
The substrate is concrete, masonry, glass, silica, mineral filler, or pigment, and the goal is to study water absorption, wettability, or moisture protection
Table 3
Table 3 concentrates on medium- and long-chain hydrophobic treatment types such as octyl, dodecyl, hexadecyl, and octadecyl derivatives, which are closely related to hydrophobic treatment of building materials and powders
Table 2
Table 2 can supplement low-carbon to medium-chain basic products, making it easier to compare how chain length affects treatment performance and application compatibility
To carry out surface modification of inorganic fillers or pigments, with emphasis on dispersion, water absorption, and surface energy
Table 2, Table 3
Table 2 is suitable for initial screening, while Table 3 is suitable for comparing the hydrophobizing effects of medium- and long-chain products
Table 1
If resin interfacial reactions also need to be introduced later, Table 1 can then be consulted in parallel
To perform interfacial treatment for resins, adhesives, coatings, or composites, with attention to interfacial bonding or introduction of reactive sites
Table 1
Table 1 contains typical functional silanes and can first be selected by type, such as amino, epoxy, vinyl, and methacryloxy silanes
Table 2, Table 3
If surface energy adjustment or moisture protection is also needed, then consult Table 2 and Table 3
To compare methoxy-type and ethoxy-type products in terms of differences in hydrolysis, condensation, and workable time
Table 2
Table 2 provides relatively complete coverage of basic methoxy-type and ethoxy-type products, making it suitable for fundamental comparison
Table 3
Table 3 can extend the comparison to octyl and longer-chain products
To study the effects of chain length on surface hydrophobicity, contact angle, particle dispersion, or surface-layer properties
Table 2, Table 3
Taken together, Table 2 and Table 3 form a comparison series ranging from low-carbon to long-chain products
Table 4
If chlorosilane routes are also to be compared, Table 4 can be consulted as well
To construct self-assembled layers or perform surface treatment under strictly controlled low-moisture conditions on glass, silicon wafers, silica, or oxide surfaces
Table 4
Table 4 focuses on alkyl chlorosilane precursors and surface-treatment products, which are common in experiments with stricter moisture-control requirements
Table 3
Table 3 can serve as an alkoxy-type reference for comparing the differences between the two routes in operating conditions and application scenarios
To understand the relationship between alkylsilanes and actual treatment agents starting from upstream precursors or intermediates
Table 4
Table 4 helps first clarify the alkyl chlorosilane precursors
Table 2, Table 3
Table 2 and Table 3 can then be used to connect these precursors with common alkoxy-type treatment products
 
Table 1 | Typical Functional Silane Coupling Agents and Interfacial Reference Compounds
 
Classification
CAS No.
Aladdin Catalog No.
Name
Specification or Purity
Product Features and Applications
Amino-functional silane coupling agent
919-30-2
(3-Aminopropyl)triethoxysilane (APTES)
≥99%
Can be used for surface treatment of glass, silica, metal oxides, and mineral fillers, and also serves as a representative amino silane for studies on interfacial promotion in epoxy, polyurethane, sealant, and coating systems.
Vinyl-functional silane coupling agent
2768-02-7
Vinyltrimethoxysilane
≥98% (GC)
Can be used in vinyl resins, water-crosslinked polyethylene systems, and surface treatment of inorganic fillers, and is also a common reference compound among vinyl-reactive silanes.
Methacryloxy-functional silane coupling agent
2530-85-0
3-(Trimethoxysilyl)propyl methacrylate
≥97%, contains 100 ppm BHT stabilizer
Can be used for interfacial treatment or related formulation studies in unsaturated polyesters, acrylic resins, resin concrete, dental resins, and glass fiber reinforced materials.
Epoxy-functional silane coupling agent
2530-83-8
3-Glycidyloxypropyltrimethoxysilane
≥97%
Can be used for surface treatment of epoxy resins, inorganic fillers, glass, and metal oxides, and is also a common epoxy-type interfacial agent in coatings, adhesives, and composite materials.
 
Table 2 | Basic Alkoxy Alkylsilanes from Low-Carbon to Medium-Chain Types
 
Classification
CAS No.
Aladdin Catalog No.
Name
Specification or Purity
Product Features and Applications
Low-carbon alkoxy alkylsilane
1067-25-0
Trimethoxy(propyl)silane
≥98% (GC)
Can be used as an organosilicon intermediate and sol-gel precursor, and can also be used for basic hydrophobic treatment of glass, mineral surfaces, and inorganic fillers.
Low-carbon alkoxy alkylsilane
2031-67-6
Triethoxymethylsilane
≥98%
Can be used as a precursor for methyl-substituted siloxane networks, moisture-protection treatment of inorganic substrates, and surface energy adjustment.
Low-carbon alkoxy alkylsilane
1185-55-3
Trimethoxymethylsilane
≥98%
Can be used as a precursor for methylsiloxanes, hydrophobic modification of inorganic surfaces, and weather-resistant surface treatment formulations.
Low-carbon alkoxy alkylsilane
2550-02-9
n-Propyltriethoxysilane
≥97%
Can be used for hydrophobic treatment of inorganic surfaces, modification of mineral fillers, and adjustment of water absorption in porous substrates, and can also serve as an organosilicon intermediate.
Low-carbon alkoxy alkylsilane
78-07-9
Triethoxy(ethyl)silane
≥95%
Can be used as a precursor for ethyl-substituted siloxane networks, moisture-protection treatment of inorganic substrates, and surface energy adjustment.
Low-carbon alkoxy alkylsilane
5314-55-6
Ethyltrimethoxysilane
≥95%
Can be used as a precursor for ethyl-substituted siloxanes, hydrophobic treatment of inorganic surfaces, and formulation studies for surface treatment.
Low- to medium-chain linear alkoxy silane
4781-99-1
Butyltriethoxysilane
≥95%
Can be used for hydrophobic treatment of mineral substrates, powders, and porous inorganic materials, and for comparing changes in surface water absorption and wetting behavior as chain length increases.
Low- to medium-chain branched alkoxy silane
18395-30-7
Isobutyl(trimethoxy)silane
≥97%
Can be used for hydrophobic modification of inorganic fillers, pigments, and mineral surfaces, and also in moisture-protection surface treatment formulations.
Low- to medium-chain branched alkoxy silane
17980-47-1
Isobutyltriethoxysilane
≥95%
Can be used for hydrophobic treatment of inorganic surfaces, adjustment of filler surface energy, and building-material protection systems.
Low- to medium-chain linear alkoxy silane
1067-57-8
n-Butyltrimethoxysilane
≥95%
Can be used for moisture-protection treatment of mineral surfaces, hydrophobic treatment of porous materials, and studies on organosilicon intermediates.
Medium-chain alkoxy alkylsilane
3069-19-0
Hexyltrimethoxysilane
≥98% (GC)
Can be used for hydrophobic modification of inorganic fillers, glass, and oxide surfaces, and also in studies on functional coatings and surface wettability adjustment.
Medium-chain alkoxy alkylsilane
18166-37-5
Hexyltriethoxysilane
≥97% (GC)
Can be used for hydrophobic treatment of mineral powders, pigments, and inorganic surfaces, and also in studies on waterproofing of building materials and surface energy control.
 
Table 3 | Medium- and Long-Chain Alkoxy Alkylsilanes for Hydrophobic Treatment
 
Classification
CAS No.
Aladdin Catalog No.
Name
Specification or Purity
Product Features and Applications
Medium-chain linear alkyl hydrophobic-treatment silane
2943-75-1
Triethoxy(octyl)silane
≥97%, ≥99.99% metals basis, deposition grade
Can be used for hydrophobic treatment of concrete, masonry, mineral fillers, pigments, and inorganic powders, and is also a representative product among octyl-type hydrophobic-modifying silanes.
Medium-chain branched alkyl hydrophobic-treatment silane
35435-21-3
Triethoxy(2,4,4-trimethylpentyl)silane
≥97%
Can be used for hydrophobic treatment of mineral surfaces, adjustment of filler dispersion, and moisture-protection treatment of porous inorganic materials.
Medium-chain linear alkyl hydrophobic-treatment silane
3069-40-7
Trimethoxy(octyl)silane
≥97%
Can be used for hydrophobic modification of inorganic surfaces, mineral fillers, and pigments, and also in building-material water-repellent treatment and adjustment of particle-surface wettability.
Long-chain alkyl surface-modifying silane
18536-91-9
Dodecyltriethoxysilane
≥95% (GC)
Can be used in studies on long-chain hydrophobic surface layers, waterproof treatment of inorganic powders and porous substrates, and anti-soiling surface formulations.
Long-chain alkyl surface-modifying silane
3069-42-9
Octadecyltrimethoxysilane (ODTMS)
≥90%
Can be used for long-chain hydrophobic modification of glass, silica, and oxide particle surfaces, and is also a common product in studies of long-chain alkoxy silane surface layers.
Long-chain alkyl surface-modifying silane
16415-12-6
Hexadecyltrimethoxysilane
≥85.0% (GC)
Can be used for long-chain hydrophobic treatment of hydroxylated substrates, particle-surface modification, and studies on low-surface-energy interfaces.
Long-chain alkyl surface-modifying silane
16415-13-7
Hexadecyltriethoxysilane
≥85%
Can be used for long-chain hydrophobic treatment of inorganic surfaces and particles, and also in studies on functional coatings and control of interfacial wettability.
 
Table 4 | Alkyl Chlorosilane Precursors and Products for Constructing Highly Hydrophobic Surfaces
 
Classification
CAS No.
Aladdin Catalog No.
Name
Specification or Purity
Product Features and Applications
Low-carbon alkyl chlorosilane intermediate
115-21-9
Ethyltrichlorosilane
≥98% (GC)
Can be used as a research precursor for ethyl alkoxysilanes and ethyl siloxanes, and can also be used for chlorosilylation treatment of inorganic surfaces under strictly controlled low-moisture conditions.
Low-carbon alkyl chlorosilane intermediate
75-79-6
Methyltrichlorosilane
≥98%
Can be used in the preparation of methyl silicone resins, methylsiloxane networks, and upstream organosilicon intermediates, and also in studies on surface chlorosilylation.
Medium-chain alkyl chlorosilane surface-construction agent
5283-66-9
Trichloro(octyl)silane
≥97%
Can be used for hydrophobization of glass, silicon wafer, silica, and oxide surfaces, and under strictly controlled low-moisture conditions can be used for liquid-phase or vapor-phase surface-layer construction.
Long-chain alkyl chlorosilane surface-construction agent
5894-60-0
Trichloro(hexadecyl)silane
≥98%
Can be used in studies on long-chain hydrophobic layers on hydroxylated surfaces, particle-surface modification, and adjustment of wettability on micro- and nanosurfaces. Strict moisture control is required during use.
Long-chain alkyl chlorosilane surface-construction agent
112-04-9
Trichloro(octadecyl)silane
≥90%
Can be used for constructing long-chain hydrophobic layers on glass, silicon wafers, and oxide surfaces, and is also commonly used for model interfacial surfaces, self-assembled surfaces, and treatment of functionalized substrates.
 
Note: The above are representative Aladdin products. For more product specifications, search by “product name / CAS / catalog number” on the Aladdin website.
 
References
 
[1] Plueddemann EP. Silane Coupling Agents. 2nd ed. 1991. doi:10.1007/978-1-4899-2070-6.
 
[2] Arkles B. Hydrophobicity, Hydrophilicity and Silane Surface Modification. 2011.
 
[3] Shin-Etsu Chemical Co., Ltd. Silane Coupling Agents. 2023.
 
[4] Evonik. Protectosil® – Your Partner in Building Protection. 2020.
 
[5] Evonik Operations GmbH. Dynasylan® OCTEO. 2025.
 
[6] Haensch C, Hoeppener S, Schubert US. Chemical modification of self-assembled silane based monolayers by surface reactions. Chem Soc Rev. 2010;39(6):2323-2334. doi:10.1039/B920491A.
 
[7] Crucho CIC. Synthesis of Organoalkoxysilanes: Versatile Organic–Inorganic Building Blocks. Compounds. 2023;3(1):280-297. doi:10.3390/compounds3010021.
 
[8] Nakajima Y, Shimada S. Hydrosilylation reaction of olefins: recent advances and perspectives. RSC Adv. 2015;5(26):20603-20616. doi:10.1039/C4RA17281G.
 
[9] Rochow EG. The Direct Synthesis of Organosilicon Compounds. J Am Chem Soc. 1945;67(6):963-965. doi:10.1021/ja01222a026.
 
[10] Seyferth D. Dimethyldichlorosilane and the Direct Synthesis of Methylchlorosilanes. The Key to the Silicones Industry. Organometallics. 2001;20(24):4978-4992. doi:10.1021/om0109051.
 
[11] Temnikov MN, Krizhanovskiy IN, Anisimov AA, Bedenko SP, Dementiev KI, Krylova IV, et al. Direct synthesis of alkoxysilanes: current state, challenges and prospects. Russ Chem Rev. 2023;92(7):RCR5081. doi:10.59761/RCR5081.
 
For more related articles, see below:
 
 
 
 
Categories: Technical articles
Explore topics: Alkylsilanes

Da — when not otherwise indicated, molecular weight units are daltons.   Mw — weight-average molecular weight.   Mn — number-average molecular weight.

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.

Cite this article

Aladdin Scientific. "Alkylsilanes: Structural Features, Surface Reactions, Applications, and Product Selection" Aladdin Knowledge Base, updated Apr 23, 2026. https://www.aladdinsci.com/us_en/faqs/structural-features-surface-reactions-applications-and-product-selection-en.html

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.