C14H32O3Si
276.49 g/mol
Industrial ChemicalWarning
Triethoxyoctylsilane
CAS2943-75-1EC220-941-2
Category
Industrial Chemical
Compound Class
Organometallic
Primary Use
surface modifier and waterproofing agent
Triethoxyoctylsilane, also known as octyltriethoxysilane, is an organosilicon compound. It is primarily utilized as a surface modifier and waterproofing agent in industrial applications.
surface modifierwaterproofing agent
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
Stearyl triethoxysilane
CAS7399-00-0
laboratory reagent
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Antioxidant for polymers
ReferenceSame Category
(-)-2-chloropropionic acid
CAS29617-66-1
chemical intermediate for synthesis
ReferenceSame Category
Dodecenylsuccinic acid
CAS29658-97-7
Surfactant intermediate and corrosion inhibitor
ReferenceSame Category
Methyl 4-trifluoromethylbenzoate
CAS2967-66-0
chemical intermediate
Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Triethoxyoctylsilane (CAS 2943-75-1) 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(octyl)silane
InChIKey
MSRJTTSHWYDFIU-UHFFFAOYSA-N
SMILES
CCCCCCCC[Si](OCC)(OCC)OCC
Synonyms (17)
- 1-Triethoxysilyl octane
- A 137 (coupling agent)
- Caprylyltriethoxysilane
- Dynasylan OCTEO
- Octyltriethoxysilane
- Prosil 9202
- Prosil 9234
- Silane, triethoxyoctyl-
- Silquest A 137
- Triethoxy-n-octylsilane
- Triethoxyoctylsilane
- Union carbide A-137
- n-Octyltriethoxysilane
- triethoxycaprylsilane
- triethoxycaprylylsilane
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