Trichloro(octadecyl)silane
Trichloro(octadecyl)silane (CAS 112-04-9), with the linear formula CH3(CH2)17SiCl3 and a molecular weight of 387.93 g/mol, is a versatile silane reagent. It is primarily utilised in materials science for surface modification, particularly in applications involving self-assembly and the creation of hydrophobic surfaces. This compound serves as a valuable precursor in the synthesis of silsesquioxanes and in micro/nanoelectronics fabrication.
- IUPAC
- Octadecyltrichlorosilane
- Synonyms
- Octadecyltrichlorosilane
Surface Modification Agent
Trichloro(octadecyl)silane is extensively employed to modify the surface properties of various substrates, imparting hydrophobicity and altering surface energy. This is crucial for applications in microelectronics and nanomaterials.
Precursor for Silsesquioxanes
This silane acts as a key precursor in the synthesis of polyhedral oligomeric silsesquioxanes (POSS) and related nanohybrid materials. These materials find use in advanced composites and coatings.
Self-Assembly and Lithography
The compound is instrumental in self-assembly processes, enabling the formation of ordered molecular layers on surfaces. This property is leveraged in techniques like contact printing and in organic electronics.
Materials for Nanotechnology
It serves as an essential component in the development of novel nanomaterials and in the fabrication of micro/nanoelectronic devices, contributing to enhanced performance and novel functionalities.
| Molecular weight | 387.93 |
|---|---|
| Linear formula | CH3(CH2)17SiCl3 |
| Assay | ≥90% |
| Boiling point | 223 °C/10 mmHg(lit.) |
| Density | 0.984 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(lit.) |
| Vapour pressure | <5 mmHg (20 °C) |
| Vapour density | >1 (vs air) |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 89 °C / 192.2 °F |
| Transport (UN / ADR) | UN 1800 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-36/37/39-43-45 |
| Supplemental hazards | Reacts violently with water. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Trichloro(octadecyl)silane used for?
+
Trichloro(octadecyl)silane is primarily used for surface modification of materials, as a precursor for silsesquioxanes and POSS nanohybrids, and in self-assembly processes for micro/nanoelectronics and organic electronics.
What are the CAS number and formula for Trichloro(octadecyl)silane?
+
The CAS number for Trichloro(octadecyl)silane is 112-04-9, and its linear formula is CH3(CH2)17SiCl3.
What grade and purity does Tech Serve Solutions supply for Trichloro(octadecyl)silane?
+
Tech Serve Solutions supplies Trichloro(octadecyl)silane with a minimum assay of 90%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should Trichloro(octadecyl)silane be handled safely?
+
Trichloro(octadecyl)silane is a corrosive substance that reacts violently with water, causing severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including face shields, gloves, and respirators, in a well-ventilated area, and keep away from moisture.
How is Trichloro(octadecyl)silane packed, shipped, and exported?
+
Trichloro(octadecyl)silane is shipped as a UN 1800, Hazard Class 8, Packing Group II material. TSS is a global supplier and exporter, adhering to all relevant shipping and export regulations.
How can I request a sample or quote for Trichloro(octadecyl)silane?
+
To request a sample or a quote for Trichloro(octadecyl)silane, please contact our sales team through the website or by calling our office. Specify the quantity required and your shipping details.
▶ Related products
Poly(3-hexylthiophene-2,5-diyl)
Organic & Printed Electronics
![[6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers — chemical structure, CAS 609771-63-3; Organic & Printed Electronics, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F609771-63-3.png&w=3840&q=75)
[6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers
Organic & Printed Electronics
6,13-Bis(triisopropylsilylethynyl)pentacene
Organic & Printed Electronics
![[6,6]-Phenyl C61 butyric acid methyl ester — chemical structure, CAS 160848-22-6; Organic & Printed Electronics, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F160848-22-6.png&w=3840&q=75)
[6,6]-Phenyl C61 butyric acid methyl ester
Organic & Printed Electronics
Fullerene-C60
C60
Organic & Printed Electronics
Cholesteryl hemisuccinate
C31H50O4
Organic & Printed Electronics
3,4-Ethylenedioxythiophene
Organic & Printed Electronics
Di-tetrabutylammonium cis-bis(isothiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylato)ruthenium(II)
Organic & Printed Electronics
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis