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HSChapter 28
U.S. imports of silver compounds (excluding silver nitrate) (HS 284329) totaled $683K in June 2026, traded with 12 countries.
Importers of Silver Compounds (Excluding Silver Nitrate) paid $23K in duties in June 2026 — an effective duty rate of 3.7% on $630K in dutiable value, based on actual customs collections rather than the published tariff schedule. Silver Compounds (Excluding Silver Nitrate) imports of $683K in June 2026 ran 69% above the year-to-date monthly average of $404K.
Beyond silver nitrate, a range of silver salts and coordination compounds — including silver oxide, silver chloride, silver sulfate, and silver acetate — serve specialized roles in photovoltaics, antimicrobial textiles, electroplating, and pharmaceutical synthesis. All such compounds enter under 2843290100, making precise product identification in commercial documentation essential for accurate classification. The United Kingdom and Japan are the leading US suppliers under this heading. Given the niche, high-value nature of many silver compounds, importers should ensure that certificates of analysis and chemical identity documentation accompany shipments.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Silver nitrate is explicitly excluded and classified under 284321. Additionally, silver in colloidal form falls under 284310. Amalgams of silver are covered by 284390. Importers dealing in mixed or complex silver-containing materials should verify the primary chemical identity to confirm the correct heading.
CBP expects a certificate of analysis identifying the compound by chemical name and CAS number, the silver content by weight, and the manufacturing process. For novel or proprietary silver compounds, a binding ruling request may be advisable to lock in the correct 10-digit classification before commercial shipments begin.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $345K | -- | -$345K |
| UNITED KINGDOM | $284K | $50K | -$235K |
| KOREA, SOUTH | -- | $276K | +$276K |
| MEXICO | -- | $204K | +$204K |
| CANADA | -- | $76K | +$76K |
Monthly import values over time
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2843290100 | SILVER COMPOUNDS, EXCEPT SILVER NITRATE, NESOI | $683K | 3.41% | 92.18% | $23K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2843290100 | SILVER COMPOUNDS, EXCEPT SILVER NITRATE | $748K |
URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.
HS 284420
ANHYDROUS AMMONIA
HS 281410
NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC
HS 284410
TUNGSTATES (WOLFRAMATES)
HS 284180
ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES
HS 284443
ALUMINUM OXIDE, EXCEPT ARTIFICIAL CORUNDUM, NESOI
HS 281820
| State | Imports | Exports | Balance |
|---|---|---|---|
| Massachusetts | $342K | $5K | -$337K |
| New York | -- | $232K | +$232K |
| North Carolina | $167K | $19K | -$148K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| JFK INTERNATIONAL AIRPORT, NY | $331K | -- | -$331K |
| ANCHORAGE, AK | -- | $232K | +$232K |
| SAN FRANCISCO INTERNATIONAL AIRPORT, CA | $167K | $38K | -$129K |