Ethyl Silicate TEOS Crosile® Si50

Tetraethyl Orthosilicate Crosile® Si50 is a colorless or pale-yellow transparent liquid at room temperature, with a taste similar to ether.

Item NO.:
Crosile® Si50
Chemical Name:
Tetraethyl Orthosilicate (Ethyl Silicate 50)
Chemical Formula:
C8H20O4Si
CAS No.:
78-10-4 / 1109-96-2 / 11099-06-2
Properties:
Ethyl Silicate Crosile®Si50 is a colorless or pale-yellow transparent liquid at room temperature, with a taste similar to ether.

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Ethyl Silicate TEOS Crosile® Si50

Chemical Properties

Tetraethyl Orthosilicate Crosile® Si50 is a colorless or pale-yellow transparent liquid at room temperature, with a taste similar to ether. It can be miscible with organic solvents such as ethanol and aetone, and can undergo hydrolysis reaction with water to generate silicic acid sol and release heat. It becomes turbid in humid air, and becomes clear and non-toxic after standing still.

Specifications

Test Item	Target Values(Spec, Limits)
Appearance	Colorless to slightly yellowish transparent liquid
Density (20℃, g/cm3)	1.08-1.25
Viscosity (25℃, mpa.s)	50-250
Silica (SiO2) content, %	50-52
Acidity (as HCI)	≤0.1%

Application

Tetraethyl Orthosilicate Crosile® Si50 is widely used in machinery manufacturing, high-grade anti-corrosion coatings and heat-resistant coatings, organic synthesis, telecommunications machinery and other industries.

» Stable storage, liquid, low viscosity, low VOC, high flash point, non-volatile;

» Binders for paints and coatings;

» Cross-linking agent for silicone rubber;

» Binder for investment casting;

» Binders for ceramic materials.

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