Hydroquinone Monomethyl Ether (MEHQ) from China
Hydroquinone monomethyl ether (MEHQ) is a monophenol with a methoxy substituent, used as a polymerization inhibitor in acrylic monomers. It is a separate chemically defined organic compound, meeting Chapter 29 Note 1(a), and falls under 'other' monophenols.
Duty Rate — China → Canada
PGA flags (3)Show detailsHide detailsCFIAAll ProgramsRequiredHCActive Pharmaceutical IngredientsMay be requiredHCOffice of Controlled substancesMay 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 2907190000–2907210000).
- 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 2907. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
- HC
Office of Controlled substances · May be required
May require HC Office of Controlled substances depending on intended use (HC01, HC02, HC10) and Canadian product category (HC19, HC20, HC22); or intended use (HC05, HC15, HC28) and Canadian product category (HC19, HC20, HC21, HC22). Matching criteria: Equal To 2907190000; Equal To 2907190000. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
Import Tips
• MEHQ is often shipped in small quantities; ensure proper labeling as a hazardous chemical
• If used as an inhibitor in monomers, the monomer itself may be classified elsewhere
• Keep the purity certificate to support the classification