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Guaifenesin EP Grade Crystals

European Pharmacopoeia compliant guaifenesin crystalline form for expectorant applications in respiratory medications. Classified under HTS 2909.49.0500 as the specific aromatic ether-alcohol guaifenesin. Pure active ingredient without formulation additives.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³ChinaFree+37.5%37.5%
šŸ‡²šŸ‡½MexicoFree+10.0%10%
šŸ‡ØšŸ‡¦CanadaFree+10.0%10%
šŸ‡©šŸ‡ŖGermanyFree+10.0%10%
šŸ‡ÆšŸ‡µJapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3003.39Lower: 12.5% vs 37.5%

If pre-mixed as bulk granulation for tablets

Granulated with binders, it becomes medicaments of Chapter 30 rather than pure chemical.

2909.49Same rate: 37.5%

If aliphatic ether-alcohol structure

2909.49.0500 specifically enumerates aromatic guaifenesin; other ether-alcohols use residual.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Include EP Certificate of Analysis confirming polymorph Form I or II specifications

• Declare as 'pure substance' to prevent reclassification as pharmaceutical preparation

• Verify DEA exemption status as non-controlled expectorant substance