Tetraethylorthosilicate

CAS: 78-10-4

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Solubility Theory

Hansen Solubility Parameters ?
D: 13.90   P: 4.30   H: 0.60  
SMILES ? : CCO[Si](OCC)(OCC)OCC

EHS Information

SDS Link
Hazard Overview: Flammable liquids (Category 3), Acute toxicity, Inhalation (Category 4), Eye irritation (Category 2A), Specific target organ toxicity - single exposure (Category 3), Respiratory system
NFPA Health Rating: 2
NFPA Flame Rating: 2
Compatible Glove Type: Nitrile

Physical Properties

Melting Point ? : -82.5 °CVapor Pressure: 1 hPa at 20 C
Boiling Point ? : 168.8 °CRefractive Index ? : 1.3834
Flash Point: 45 °CRelative Evaporation Rate (RER) ? : 80.714
MWt: 208.33 g/molWater Solubility: 1.49 g/L
MVol ? : 223.29Viscosity: 0.69 cp
Density: 0.933 g/LFormula: C8H20O4Si
Other Names: Silicon tetraethoxide; Ethyl Silicate; Tetraethyl Silicate

Cost and Manufacturers
(*prices are estimated)
Average Lab Cost: $0.12/g
Average Bulk Cost: $20.57/lb.
Lab Size
Sigma Aldrich  933g  $103.00
Millipore Sigma  933g  $123.00
Bulk
Millipore Sigma 50000g  $1770.00
Alfa Aesar 2332.5g  $129.00