Silicic Acid Tetraethyl Ester (Tetraethoxysilane) from Mexico
Silicic acid tetraethyl ester, also known as tetraethoxysilane (TEOS), is a silicic acid tetraester used in sol-gel processing, chemical vapor deposition, and zeolite manufacturing. It is a chemically defined ester of an inorganic acid of a non-metal (silicon) and is classified under tariff item 2920.90.00 as an 'other' ester of inorganic acids of non-metals.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide a certificate of analysis to CBSA to confirm the chemical purity and identity
• Ensure proper handling and documentation for a hazardous chemical, as TEOS is flammable and moisture-sensitive
• Check if the product requires an import permit under Canadian chemical regulations