Triethoxy(octadecyl)silane

Basic Information

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CAS Number

7399-00-0

Molecular Formula

C24H52O3Si

Molecular Weight

416.76 g/mol

Chemical Classification

Polymers and Plastics Thermoplastics Polyolefins

Basic Physical Properties

Melting Point

10-12°C

Boiling Point

169°C/2mmHg

Density

0.87

Flash Point

195°C

Refractive Index

1.4380

SMILES

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CCCCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC

InChI

InChI=1S/C24H52O3Si/c1-5-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-28(25-6-2,26-7-3)27-8-4/h5-24H2,1-4H3

InChIKey

FZMJEGJVKFTGMU-UHFFFAOYSA-N

LogP

8.296300000000008

Topological Polar Surface Area

27.69 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

283

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Stability

Stable. Moisture sensitive. Incompatible with water, acids, strong oxidizing agents.

Sensitiveness

Moisture Sensitive

Synonyms & References

English

n-Octadecyltriethoxysilane
Triethoxyoctadecylsilane
Octadecyltriethoxysilane
Triethoxy(octadecyl)silane
Triethoxy(stearyl)silane
octadecyl triethoxysilane
stearyl triethoxysilane
Octadecyltriethoxysilane, 95%
1VN9P25L8H
Triethoxystearylsilane
FZMJEGJVKFTGMU-UHFFFAOYSA-N
n-Octadecyltriethoxysilane, AldrichCPR
VZ33539
s12300
ST24050260
O0

MDL Number

MFCD00039875

FAQ

What are the physical and chemical properties of Triethoxy(octadecyl)silane (CAS: 7399-00-0)?

Triethoxy(octadecyl)silane (CAS: 7399-00-0) is a colorless to amber liquid with a high molecular weight. It has low solubility in water but is soluble in organic solvents. Chemically, it is reactive towards hydroxyl groups, making it useful for surface modification and bonding applications.

How is Triethoxy(octadecyl)silane (CAS: 7399-00-0) typically synthesized?

Triethoxy(octadecyl)silane (CAS: 7399-00-0) is synthesized via the reaction of 1-octadecene with chlorotriethoxysilane. The process involves the condensation of the alkene with the silane, forming the desired silane derivative. The reaction is typically catalyzed with a basic or acidic catalyst, leading to high yield and selectivity.

What industries use Triethoxy(octadecyl)silane (CAS: 7399-00-0)?

Triethoxy(octadecyl)silane (CAS: 7399-00-0) is widely used in the pharmaceuticals, polymers, coatings, and semiconductors industries. It is particularly important for surfactant applications, improving the surface properties of materials, and for enhancing adhesion in coatings.

What precautions should be taken when handling Triethoxy(octadecyl)silane (CAS: 7399-00-0)?

Proper handling of Triethoxy(octadecyl)silane (CAS: 7399-00-0) requires the use of personal protective equipment (PPE), including gloves and safety glasses. It should be stored in a cool, dry place away from heat sources. In case of spill, it should be cleaned up using appropriate absorbent materials, and the area should be well-ventilated. Safety data sheets (SDS) should be consulted for detailed information on handling and emergency procedures.