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HSChapter 28
U.S. imports of chromium trioxide (HS 281910) totaled $696K in April 2026, traded with 8 countries.
Importers of Chromium Trioxide paid $87K in duties in April 2026 — an effective duty rate of 14% on $626K in dutiable value, based on actual customs collections rather than the published tariff schedule. Chromium Trioxide imports of $696K in April 2026 ran 79% above the year-to-date monthly average of $390K.
Last updated: April 2026 dataChromium trioxide (CrO₃), the anhydride of chromic acid, is a hexavalent chromium compound used primarily in hard chrome electroplating, metal surface treatment, and as an oxidizing agent in specialty chemical synthesis. Kazakhstan and India are the leading US suppliers, with South Africa also a significant source — all three countries have substantial chromite ore and ferrochrome processing capacity that underpins their chromium chemical exports. Importers should be aware that hexavalent chromium compounds face stringent occupational health and environmental regulations under EPA and OSHA frameworks, and proper hazmat documentation is required at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Chromium trioxide is classified as a hazardous material under DOT regulations and as a toxic substance under TSCA. Importers must provide a Safety Data Sheet (SDS), proper UN hazmat labeling (UN 1463), and ensure the shipment complies with EPA TSCA import certification requirements. Carriers and freight forwarders must also be notified of the hazardous nature of the cargo.
Chromium trioxide (CrO₃) is a hexavalent chromium compound and a strong oxidizer, distinct from the trivalent chromium sesquioxide (Cr₂O₃) and other lower-valence chromium oxides covered by 281990. The valence state is commercially critical: trivalent chromium compounds are far less toxic and are used in pigments and refractory applications, while hexavalent CrO₃ is restricted or regulated in many jurisdictions due to its carcinogenicity.
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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 |
|---|---|---|---|---|
| 2819100000 | CHROMIUM TRIOXIDE | $696K | 13.94% | $87K |
CHROMIUM TRIOXIDE
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
| Country | Imports | Exports | Balance |
|---|---|---|---|
| KAZAKHSTAN | $387K | -- | -$387K |
| GERMANY | $103K | -- | -$103K |
| FRANCE | $82K | -- | -$82K |
| SOUTH AFRICA | $58K | -- | -$58K |
| INDIA | $49K | -- | -$49K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $272K | -- | -$272K |
| NORFOLK-NEWPORT NEWS, VA | $103K | -- | -$103K |
| NEW YORK, NY | $82K | -- | -$82K |