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A14965 Tetraethoxysilane, 98%

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

Stock No. Size Price ($) Quantity Availability
A14965-AE 100ml 20.60
A14965-AP 500ml 34.50
A14965-0F 2500ml 129.00
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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
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
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-H319-H332-H335

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

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P337+P313-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If eye irritation persists: Get medical advice/attention. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

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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