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A15732 n-Octadecyltrichlorosilane, 95%, cont. 5-10% branched isomers

CAS Number
112-04-9
Synonyms
Trichlorooctadecylsilane
Stearyltrichlorosilane

Stock No. Size Price ($) Quantity Availability
A15732-18 50g 40.70
A15732-30 250g 124.00
A15732-0B 1000g 383.00
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n-Octadecyltrichlorosilane, 95%, cont. 5-10% branched isomers

MDL
MFCD00000484
EINECS
203-930-7

Chemical Properties

Formula
C18H37Cl3Si
Formula Weight
387.94
Melting point
ca 20°
Boiling Point
160-162°/3mm
Flash Point
189°(372°F)
Density
0.984
Refractive Index
1.4600
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Solubility
Decomposes in water.

Applications

n-Octadecyltrichlorosilane is used in semiconductor industry to form self-assembled monolayer thin films on silicon dioxide substrates. Used in molecular electronics, as thin insulating gates in Metal-Insulator-Semiconductor Field-Effect Transistors. It is also used in platinum catalyzed synthesis.

Notes

Moisture sensitive. Store in cool dry place in tightly closed container. Store under dry inert gas. Keep away from water/moisture.

Literature References

Sung, Myung M.; G. Jonathan Kluth; and Roya Maboudian. Formation of alkylsiloxane self-assembled monolayers on Si3N4. J. Vac. Sci. Technol. A. 1999, 17 (2), 1100-1106.

A. N. Parikh; M. A. Schivley; E. Koo; K. Seshadri; D. Aurentz; K. Mueller; and D. L. Allara. n-Alkylsiloxanes:? From Single Monolayers to Layered Crystals. The Formation of Crystalline Polymers from the Hydrolysis of n-Octadecyltrichlorosilane. J. Am. Chem. Soc. 1997, 119 (13), 3135-3143.

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H335

Causes severe skin burns and eye damage. May cause respiratory irritation.

Precautionary Statements: P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
1778847
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2931.90
TSCA
Yes
RTECS
VV4680000

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