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HSChapter 28
U.S. imports of chromium oxides and hydroxides (except chromium trioxide) (HS 281990) totaled $3.0M in June 2026, traded with 9 countries.
Importers of Chromium Oxides and Hydroxides (Except Chromium Trioxide) paid $501K in duties in June 2026 — an effective duty rate of 17% on $3.0M in dutiable value, based on actual customs collections rather than the published tariff schedule. Chromium Oxides and Hydroxides (Except Chromium Trioxide) imports of $3.0M in June 2026 ran 50% above the year-to-date monthly average of $2.0M.
Trivalent chromium sesquioxide (Cr₂O₃) is the commercially dominant product in this heading, widely used as a green pigment in ceramics, glass, and refractory bricks, and as a polishing compound for precision optics and metals. Germany leads US supply, followed by China and India. Unlike the hexavalent chromium trioxide of heading 281910, the trivalent compounds here carry a significantly lower toxicological profile, though importers should still confirm chemical identity and purity grade to support correct classification and end-use compliance.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The primary end uses are refractory applications (where Cr₂O₃ improves slag resistance in furnace linings), ceramic and glass colorants (producing stable green hues), and metallurgical polishing compounds. Specialty chemical and catalyst manufacturers also consume smaller volumes. Germany's prominence as a supplier reflects its advanced specialty chemicals and refractory materials industry.
A certificate of analysis specifying the oxidation state, molecular formula, and CAS number (1308-38-9 for Cr₂O₃) is the standard supporting document. Customs brokers may also request X-ray diffraction or wet chemistry test results for high-value or ambiguous shipments, particularly when the product originates from a supplier that also produces chromium trioxide.
Monthly import values over time
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| KAZAKHSTAN | $2.0M | -- | -$2.0M |
| GERMANY | $385K | -- | -$385K |
| CHINA | $370K | -- | -$370K |
| INDIA | $192K | -- | -$192K |
| JAPAN | $16K | -- | -$16K |
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 |
|---|---|---|---|---|---|
| 2819900000 | CHROMIUM OXIDE & HYDRIDE, EXC CHROM TRIOXIDE,NESOI | $3.0M | 16.80% | 100.00% | $501K |
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
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $1.2M | -- | -$1.2M |
| NEW YORK, NY | $968K | -- | -$968K |
| NORFOLK-NEWPORT NEWS, VA | $364K | -- | -$364K |