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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 | ![]() |
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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