Safety Reference
Warning
H226Flammable liquid and vapour
H319Causes serious eye irritation
H332
Sourcing Tetraethyl orthosilicate?
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Sourcing Tetraethyl orthosilicate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Tetraethyl orthosilicate is a clear colorless liquid with a faint odor that serves as a preservative and binder for stone and coatings. It is used for hardening stone, weatherproofing, and in heat- and chemical-resistant paints.
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.
The international HS code for Tetraethyl orthosilicate (CAS 78-10-4) is 2920.90.
2920.90
2920 90 70
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
tetraethyl silicate
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CCO[Si](OCC)(OCC)OCC