trimethyl(octadecyloxy)silane

Modify Date: 2025-10-10 20:18:03

trimethyl(octadecyloxy)silane Structure
trimethyl(octadecyloxy)silane structure
Common Name trimethyl(octadecyloxy)silane
CAS Number 18748-98-6 Molecular Weight 342.67500
Density 0.821g/cm3 Boiling Point 387.1ºC at 760mmHg
Molecular Formula C21H46OSi Melting Point N/A
MSDS N/A Flash Point 197.9ºC

 Names

Name trimethyl(octadecoxy)silane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.821g/cm3
Boiling Point 387.1ºC at 760mmHg
Molecular Formula C21H46OSi
Molecular Weight 342.67500
Flash Point 197.9ºC
Exact Mass 342.33200
PSA 9.23000
LogP 8.09940
Vapour Pressure 7.54E-06mmHg at 25°C
Index of Refraction 1.439
InChIKey GVPDNFYOFKBFEN-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCCO[Si](C)(C)C

 Synthetic Route

~%

trimethyl(octadecyloxy)silane Structure

trimethyl(octad...

CAS#:18748-98-6

Literature: Andrianow; Gornez Doklady Akademii Nauk SSSR, 1955 , vol. 101, p. 259 Chem.Abstr., 1956 , p. 3216

~93%

trimethyl(octadecyloxy)silane Structure

trimethyl(octad...

CAS#:18748-98-6

Literature: Dekamin; Yazdaninia; Mokhtari; Naimi-Jamal Journal of the Iranian Chemical Society, 2011 , vol. 8, # 2 p. 537 - 544

 Synonyms

UNII-9862TW94B2
stearoxy trimethylsilane
1-Trimethylsilyloxyoctadecane
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