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HSChapter 29
U.S. imports of 4,4-diamino-2,2-stilbenedisulfonic acid (HS 2921592000) totaled $657K in June 2026, traded with 2 countries.
Importers of 4,4-Diamino-2,2-Stilbenedisulfonic Acid paid $233K in duties in June 2026 — an effective duty rate of 35% on $657K in dutiable value, based on actual customs collections rather than the published tariff schedule. 4,4-Diamino-2,2-Stilbenedisulfonic Acid imports of $657K in June 2026 ran 147% above the year-to-date monthly average of $266K.
Monthly import values over time
Supplier Network
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No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.