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HSChapter 28
U.S. imports of cerium compounds (HS 284610) totaled $1.9M in April 2026, traded with 11 countries.
Importers of Cerium Compounds paid $104K in duties in April 2026 — an effective duty rate of 5.5% on $1.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataCerium compounds — including cerium oxides used as polishing agents for glass and semiconductors, and other cerium salts used in catalysts and UV-absorbing coatings — are commercially significant rare-earth derivatives with broad industrial applications. The US tariff schedule distinguishes cerium oxides (2846100010) from other cerium compounds (2846100050), with a legacy parent line (2846100000) also present. Japan leads US imports under this heading, with China and Austria also notable sources — a supplier mix that reflects both downstream processing capacity and proximity to rare-earth raw material supply chains.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
HTS 2846100010 covers cerium oxides specifically (primarily CeO₂ and Ce₂O₃), while 2846100050 captures all other cerium compounds such as cerium nitrate, cerium acetate, and cerium carbonate. The distinction matters because polishing-grade cerium oxide is the dominant commercial form and may face different trade remedy exposure than other cerium salts.
Cerium compounds imported from China may be subject to Section 301 tariffs applicable to Chinese-origin chemical products. Importers should verify the current Section 301 list coverage for their specific 10-digit HTS line and consult a licensed customs broker, as applicability and rates can change.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $1.4M | -- | -$1.4M |
| KOREA, SOUTH | -- | $643K | +$643K |
| CHINA | $248K | $319K | +$71K |
| AUSTRIA | $165K | -- | -$165K |
| CANADA | $16K | $42K | +$26K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2846100010 | CERIUM OXIDES | $1.9M | 5.50% | $103K |
| 2846100050 | CERIUM COMPOUNDS OTHER THAN CERIUM OXIDES | $7K | 15.50% | $1K |
CERIUM OXIDES
CERIUM COMPOUNDS OTHER THAN CERIUM OXIDES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2846100000 | CERIUM COMPOUNDS | $1.1M |
CERIUM COMPOUNDS
18.9K kg
URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.
HS 284420
NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC
HS 284410
ANHYDROUS AMMONIA
HS 281410
ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES
HS 284443
SILICON, UNDER 99.99% (BY WEIGHT) SILICON
HS 280469
PHOSPHORIC ACID AND POLYPHOSPHORIC ACIDS
HS 280920
| Port | Imports | Exports | Balance |
|---|---|---|---|
| TACOMA, WA | $1.4M | -- | -$1.4M |
| LONG BEACH, CA | $4K | $528K | +$524K |
| NEW YORK, NY | -- | $269K | +$269K |