Research Grade Guaifenesin
Research Grade Guaifenesin is a laboratory reagent with ≥98% purity, used for pharmaceutical R&D and analytical standards. As a pure chemically defined ether-alcohol, it is classified under tariff item 2909.49.00 as 'Other' ether-alcohols. The product is not for human therapeutic use and is imported for research purposes.
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 |
More Specific Codes
This product may fall under a more specific subheading:
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Import Tips & Compliance
• Declare the product as a laboratory chemical for research use only to avoid medicinal product regulations
• Keep documentation of the intended research application and purity analysis for CBSA
Related Products under Tariff item 2909.49.00
1-Methoxy-2-propanol Acetate
1-Methoxy-2-propanol acetate is an ester of an ether-alcohol, specifically propylene glycol methyl ether acetate, used as a solvent in coatings. Under Chapter 29 note 5(B), esters of ethyl alcohol with acid-function compounds are classified with the corresponding acid, but this ester is derived from an ether-alcohol and acetic acid. It is classified under tariff item 2909.49.00 as 'Other' ether-alcohols, as the ester retains the ether-alcohol function.
1-Phenoxy-2-propanol
1-Phenoxy-2-propanol is an aromatic ether-alcohol used as a solvent in inks, coatings, and cleaning formulations. As a chemically defined organic compound with a phenoxy group, it is classified under tariff item 2909.49.00 as 'Other' ether-alcohols. The product meets Chapter 29 criteria for separate chemically defined compounds.
2-(2-Methoxyphenoxy)ethanol
2-(2-Methoxyphenoxy)ethanol is a substituted aromatic ether-alcohol with methoxy and hydroxyethyl groups on a benzene ring, used in pharmaceutical synthesis. As a chemically defined organic compound, it is classified under tariff item 2909.49.00 as 'Other' ether-alcohols. The product meets Chapter 29 criteria for separate chemically defined compounds.
2-Phenoxyethanol (Phenoxyethanol)
2-Phenoxyethanol is a widely used aromatic ether-alcohol preservative in cosmetics, pharmaceuticals, and vaccines. As a separate chemically defined organic compound with a phenyl group and ethoxyethanol chain, it is classified under tariff item 2909.49.00 as 'Other' ether-alcohols. The product is used at concentrations of 0.5-1% in various applications.
Butyl Phenyl Glycol Ether
Butyl phenyl glycol ether is an aromatic ether-alcohol combining butyl and phenyl groups with a glycol backbone, used in specialty coatings and cleaners. As a chemically defined organic compound, it is classified under tariff item 2909.49.00 as 'Other' ether-alcohols. The product meets Chapter 29 criteria for separate chemically defined compounds.
Diethylene Glycol Monobutyl Ether (Butyl Carbitol)
Diethylene glycol monobutyl ether, also known as Butyl Carbitol, is an ether-alcohol used as a solvent in industrial coatings, inks, and cleaners. As a chemically defined organic compound, it is classified under tariff item 2909.49.00 as 'Other' ether-alcohols. The product has a glycol ether structure with a butyl group.