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LC1131 Tetraethyl orthosilicatefor synthesis |
| Order number | Packaging | Quantity | Price € |
| AC28131 | Glass bottle | 250 ml | 11.25 |
| AC28131 | Glass bottle | 1 l | 31.50 |
| Product information | |
| Synonyms | |
| Hill Formula | C8H20O4Si |
| Chemical formula | (C2H5O)4Si |
| HS Code | 2920 90 85 |
| EC number | 201-083-8 |
| Molar mass | 208.33 g/mol |
| EC index number | 014-005-00-0 |
| CAS number | 78-10-4 |
| Chemical and physical data | |
| Ignition temperature | 230 °C |
| Solubility | (20 °C) insoluble,(slow decomposition) |
| Melting point | -85.5 °C |
| Molar mass | 208.33 g/mol |
| Density | 0.93 g/cm3 (20 °C) |
| pH value | (H2O, 20 °C) not applicable |
| Boiling point | 168.0 °C (1013 hPa) |
| Vapor pressure | 10 hPa (20 °C) |
| Explosion limit | 1.3 – 23 %(V) |
| Flash point | 45 °C |
| Safety information according to GHS | |
| Hazard Statement(s) | H226: Flammable liquid and vapour. H332: Harmful if inhaled. H319: Causes serious eye irritation. H335: May cause respiratory irritation. |
| Precautionary Statement(s) | P210: Keep away from heat/sparks/open flames/hot surfaces. – No smoking. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Signal Word | Warning |
| Hazard Pictogram(s) |   |
| RTECS | VV9450000 |
| Storage class | 3 Flammable Liquids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 9 Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535). |
| Safety information | |
| R Phrase | R 10-20-36/37 Flammable.Harmful by inhalation.Irritating to eyes and respiratory system. |
| Categories of danger | flammable, harmful, irritant |
| Hazard Symbol |  Harmful |
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 1292 TETRAETHYL SILICATE, 3, III |
| Declaration (transport by air) IATA-DGR | UN 1292 TETRAETHYL SILICATE, 3, III |
| Toxicological data | |
| LD 50 oral | LD50 rat 6270 mg/kg |
| LD 50 dermal | LD50 rabbit 5860 mg/kg |
| Specifications | |
| Assay (GC, area%) | ≥ 99 % |
| Density (d 20 °C/ 4 °C) | 0.932 – 0.934 |
| Identity (IR) | passes test |
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