Guaiacol Glycerol Ether
Guaiacol glycerol ether, also known as guaifenesin, is an ether-alcohol-phenol derivative used as an expectorant in pharmaceutical formulations. It is a separate chemically defined organic compound with the characteristic ether-phenol and ether-alcohol functions of heading 29.09.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 2909490090–2909500000).
- 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 2909. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported in measured doses or packaged for retail sale as a medicament
Section note 2 directs goods put up in measured doses for retail sale to Chapter 30.
If the compound is not specifically covered by a more specific heading
Other organic compounds may serve as a residual heading, though 29.09 is more specific.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the product is not put up in measured doses or for retail sale, as that would shift classification to Chapter 30
• Have the certificate of analysis showing chemical purity and identity ready for CBSA review
• Check whether a Drug Establishment Licence is required for the importing entity
Related Products under Tariff item 2909.50.00
4-Ethylguaiacol 99%+ USP Grade
4-Ethylguaiacol is a chemically defined ether-phenol compound with the molecular formula C9H12O2, featuring a guaiacol structure with an ethyl substituent at the 4-position. Ultra-pure grade meeting USP standards remains a separate chemically defined compound per Chapter 29 note (a). This product falls under tariff item 2909.50.00.
4-Ethylguaiacol Bulk Drum Pack
4-Ethylguaiacol is a chemically defined ether-phenol compound with the molecular formula C9H12O2, featuring a guaiacol structure with an ethyl substituent at the 4-position. Bulk drum packaging does not alter its chemical identity or classification under Chapter 29. This product falls under tariff item 2909.50.00 as a specific ether-phenol derivative.
4-Ethylguaiacol Flavor Intermediate
4-Ethylguaiacol is a chemically defined ether-phenol compound with the molecular formula C9H12O2, featuring a guaiacol structure with an ethyl substituent at the 4-position. Its high purity and specific chemical identity qualify it under Chapter 29, regardless of its intended use as a flavor intermediate. This product falls under tariff item 2909.50.00 as a specific ether-phenol derivative.
4-Ethylguaiacol Perfume Base Material
4-Ethylguaiacol is a chemically defined ether-phenol compound with the molecular formula C9H12O2, featuring a guaiacol structure with an ethyl substituent at the 4-position. Its pure compound status and chemical identity qualify it under Chapter 29, regardless of its intended use in perfumery. This product falls under tariff item 2909.50.00 as a specific ether-phenol derivative.
4-Ethylguaiacol Pharmaceutical Precursor
4-Ethylguaiacol is a chemically defined ether-phenol compound with the molecular formula C9H12O2, featuring a guaiacol structure with an ethyl substituent at the 4-position. Its high purity and chemical identity qualify it under Chapter 29, regardless of its intended use as a pharmaceutical precursor. This product falls under tariff item 2909.50.00 as a specific ether-phenol derivative.
4-Ethylguaiacol Pure Compound
4-Ethylguaiacol is a chemically defined ether-phenol compound with the molecular formula C9H12O2, featuring a guaiacol structure with an ethyl substituent at the 4-position. It is a specific ether-phenol derivative that qualifies under Chapter 29 note (a) as a separate chemically defined organic compound. This product falls under tariff item 2909.50.00.