C24H52O3Si
416.8 g/mol
OtherWarning
Octadecyltriethoxysilane
CAS7399-00-0EC230-995-9
Category
Other
Compound Class
n.a
Primary Use
laboratory reagent
Octadecyltriethoxysilane is an organosilicon compound featuring a long alkyl chain and three ethoxy groups bonded to a silicon atom. Its structure imparts high hydrophobicity, as indicated by its large logP value, and the molecule is highly flexible with many rotatable bonds.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 1.00
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Octadecyltriethoxysilane (CAS 7399-00-0) is 2931.90.
HS code (international, 6-digit)
2931.90
EU CN code (8-digit)
2931 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
triethoxy(octadecyl)silane
InChIKey
FZMJEGJVKFTGMU-UHFFFAOYSA-N
SMILES
CCCCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC
Synonyms (11)
- Octadecyltriethoxysilane
- Silane, triethoxyoctadecyl-
- Triethoxyoctadecylsilane
- Triethoxystearylsilane
- n-Octadecyltriethoxysilane
- n-Octodecyltriethoxysilane
- stearyl triethoxysilane
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