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78-10-4 - Tetraethoxysilane, 98% - Silicon ethoxide - Tetraethyl orthosilicate - A14965 - Alfa Aesar

A14965 Tetraethoxysilane, 98%

CAS Number
78-10-4
Synonyms
Silicon ethoxide
Tetraethyl orthosilicate

Size Price ($) Quantity Availability
100ml 17.46
500ml 34.30
2500ml 113.81
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Tetraethoxysilane, 98%

MDL
MFCD00009062
EINECS
201-083-8

Chemical Properties

Formula
C8H20O4Si
Formula Weight
208.33
Melting point
-85°
Boiling Point
168°
Flash Point
46°(116°F)
Density
0.934
Refractive Index
1.3830
Sensitivity
Moisture Sensitive
Solubility
Soluble in ethanol and 2-propanol.

Applications

Tetraethoxysilane is the main precursor material for the synthesis of zeolites and silicon dioxide, which is used in semiconductor industry. It is widely used as cross linking agents in silicon polymers and in aerogel preparations.

Notes

Degrades in water. Keep container tightly closed in a dry and well-ventilated place.

Literature References

Kim, S.; Ando, S.; Wang, X. Ternary composites of linear and hyperbranched polyimides with nanoscale silica for low dielectric constant, high transparency, and high thermal stability. RSC Adv. 2015, 5 (50), 40046-40054.

Trogadas, P.; Parrondo, J.; Mijangos, F.; Ramani, V. Degradation mitigation in PEM fuel cells using metal nanoparticle additives. J. Mater. Chem. 2011, 21 (48), 19381-19388.

GHS Hazard and Precautionary Statements

Hazard Statements: H226-H332-H319-H335

Flammable liquid and vapour. Harmful if inhaled. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P210-P261-P280-P240-P241-P303+P361+P353-P305+P351+P338-P304+P340-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,3851
Beilstein
1422225
Hazard Class
3
Packing Group
III
Harmonized Tariff Code
2920.90
TSCA
Yes
RTECS
VV9450000

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