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U.S. imports of cerium compounds (HS 284610) totaled $1.7M in July 2026, traded with 13 countries.
Importers of Cerium Compounds paid $84K in duties in July 2026 — an effective duty rate of 5.7% on $1.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cerium Compounds imports of $1.7M in July 2026 ran 19% below the year-to-date monthly average of $2.1M.
Last updated: July 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.
22 shipments/mo
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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Subheading 2 of 2 in heading 2846
Subheading 284610 · $1.7M of $19.7M
ImportsExports
Imports
$1.7MYoY · Pro
Exports
$75KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 2846100010 | Cerium Oxides | $1.6M | 4.81% | 87.47% | $79K |
| 2846100050 | Cerium Compounds Other Than Cerium Oxides | $46K | 11.14% | 92.45% | $5K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2846100000 | Cerium Compounds | $75K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Japan and China together supply 95% of it.
customs district
destination
entry
rate provision · imports
12.4% enters free of duty; the effective duty rate is 4.99%.