Tetraethyl orthosilicate, 98%
Tetraethyl orthosilicate, 98% (CAS 78-10-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 98%.
About Tetraethyl orthosilicate, 98%
Zemixal supplies Tetraethyl orthosilicate, 98% within its pharma Intermediates & Building Blocks portfolio. Identity at a glance (Synthesis): CAS 78-10-4, formula C8H20O4Si and molar mass 208.33 g/mol. Expect colourless liquid.
Use cases we see most often
- Polymer & resin production
- Paints, coatings & inks
- Electronics & thin films
Safe handling
Reported physical data: boiling point 1689 °C. Classified under GHS with signal word Warning and hazard statements H226, H319, H332 and H335. Read the SDS before first use. For transport it ships as UN UN 1292.
Standard pack sizes are 250 mL, 500 mL, 1 L and 220 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Polymer & resin production
- Paints, coatings & inks
- Electronics & thin films
Applications
Specifications and identifiers
| Product name | Tetraethyl orthosilicate, 98% |
|---|---|
| Catalogue number | ZX-010205 |
| CAS number | 78-10-4 |
| IUPAC name | tetraethyl silicate |
| Molecular formula | C8H20O4Si |
| Molar mass | 208.33 g/mol |
| Exact mass | 208.1131 |
| Grade | Synthesis |
| Purity / assay | 98% |
| Physical form | Liquid |
| Appearance | Colourless liquid |
| Boiling point | 1689 °C |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 36.9 Ų |
| HS code | 29209099 |
| UN number | UN 1292 |
| InChIKey | BOTDANWDWHJENH-UHFFFAOYSA-N |
| SMILES | CCO[Si](OCC)(OCC)OCC |
| PubChem CID | 6517 |
| Synonyms | Orthosilicic acid tetraethyl ester, Silicon tetraethoxide, TEOS, Tetraethoxysilane, Dynasil A, Silicon ethoxide, Silikan L, Ethyl orthosilicate, Etylu krzemian, Silane, tetraethoxy-, Tetraethylorthosilicate, Silicic acid, tetraethyl ester |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H226Flammable liquid and vapor
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264 + P265, P271, P280, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P317, P319, P337 + P317, P370 + P378, P403 + P233, P403 + P235, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 250 mL | Quoted on request | |
| 500 mL | Quoted on request | |
| 1 L | Quoted on request | |
| 220 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Tetraethyl orthosilicate, 98%
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Other grades with CAS 78-10-4
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