C9H21ClO3Si
240.8 g/mol
OtherWarning
(3-Chloropropyl)triethoxysilane
CAS5089-70-3EC225-805-6
Category
Other
Compound Class
n.a
Primary Use
Organosilicon intermediate for industrial materials
(3-Chloropropyl)triethoxysilane is an organosilicon compound containing a chloroalkyl group and three ethoxy groups bonded to silicon. It serves as a chemical intermediate for surface treatments and the production of polymers and other organosilicon materials.
Surface treatment of non-metal materialsProduction of organosilicon polymersManufacturing of rubber and plastic products
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
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Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for (3-Chloropropyl)triethoxysilane (CAS 5089-70-3) 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
3-chloropropyl(triethoxy)silane
InChIKey
KSCAZPYHLGGNPZ-UHFFFAOYSA-N
SMILES
CCO[Si](CCCCl)(OCC)OCC
Synonyms (18)
- Dynasylan CPTEO
- J203.292I
- Si 230
- Triethoxy chloropropyl silane
- chloropropyltriethoxysilane
- triethoxysilylpropyl chloride
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