Tetraethyl orthosilicate, 99.999%
Tetraethyl orthosilicate, 99.999% (CAS 78-10-4) supplier Zemixal. Request a quote with price, lead time and documents. Purity 99.999%.
About Tetraethyl orthosilicate, 99.999%
Zemixal supplies Tetraethyl orthosilicate, 99.999% within its pharma Intermediates & Building Blocks portfolio. Key data (Puriss): CAS 78-10-4, formula C8H20O4Si and molar mass 208.33 g/mol. Typical appearance is liquid.
Use cases we see most often
- Polymer & resin production
- Paints, coatings & inks
- Electronics & thin films
Storage and safety notes
Store it as follows: room temperature. Reported physical data: boiling point 168 °C and density 0.933 g/mL at 20 °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.
Available as 25 mL and 100 mL. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Polymer & resin production
- Paints, coatings & inks
- Electronics & thin films
Applications
Specifications and identifiers
| Product name | Tetraethyl orthosilicate, 99.999% |
|---|---|
| Catalogue number | ZX-010207 |
| CAS number | 78-10-4 |
| IUPAC name | tetraethyl silicate |
| Molecular formula | C8H20O4Si |
| Molar mass | 208.33 g/mol |
| Exact mass | 208.1131 |
| Grade | Puriss |
| Purity / assay | 99.999% |
| Physical form | Liquid |
| Appearance | Liquid |
| Boiling point | 168 °C |
| Density | 0.933 g/mL at 20 °C |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 36.9 Ų |
| Storage | Room temperature |
| 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
| 25 mL | Quoted on request | |
| 100 mL | 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, 99.999%
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