Silicic Acid Tetraethyl Ester (Tetraethoxysilane) from Japan
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 — Japan → Canada
PGA flags (2)Show detailsHide detailsCFIAAll ProgramsRequiredHCActive Pharmaceutical IngredientsMay be required
- CFIA
All Programs · Required
CANADIAN FOOD INSPECTION AGENCY: CFIA All Programs requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Within Range 2920900000–2921110000).
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2920. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
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