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HSChapter 29
U.S. imports of guaifenesin (HS 2909490500) totaled $486K in June 2026, traded with 3 countries.
Importers of Guaifenesin paid $49K in duties in June 2026 — an effective duty rate of 10% on $486K in dutiable value, based on actual customs collections rather than the published tariff schedule. Guaifenesin imports of $486K in June 2026 ran 21% below the year-to-date monthly average of $618K.
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Monthly import values over time
No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.