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HSChapter 28
U.S. imports of chromates & dichromates (not elsewhere specified); peroxochromates (HS 284150) totaled $243K in June 2026, traded with 5 countries.
Importers of Chromates & Dichromates (Not Elsewhere Specified); Peroxochromates paid $32K in duties in June 2026 — an effective duty rate of 13% on $243K in dutiable value, based on actual customs collections rather than the published tariff schedule. Chromates & Dichromates (Not Elsewhere Specified); Peroxochromates imports of $243K in June 2026 ran 47% below the year-to-date monthly average of $462K.
Potassium dichromate and related chromate salts are critical intermediates in leather tanning, metal surface treatment, and pigment manufacturing, but their hexavalent chromium content subjects them to stringent handling and environmental regulations in many jurisdictions. The US tariff schedule separates potassium dichromate (2841501000) from other chromates, dichromates, and peroxochromates (2841509100). Austria and China are the leading US import sources, with France and India also supplying the market.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
While EPA does not administer a formal import permit for chromate salts, these compounds are regulated under TSCA and RCRA as hazardous substances. Importers must ensure compliance with TSCA reporting obligations and proper hazardous materials documentation (SDS, UN classification) at the port of entry.
Peroxochromates contain peroxo (O–O) linkages in addition to the chromate anion, giving them stronger oxidizing properties. Standard chromates and dichromates lack this peroxo group. Both types fall under 2841509100 unless the compound is specifically potassium dichromate, which has its own line at 2841501000.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| SOUTH AFRICA | -- | $259K | +$259K |
| AUSTRIA | $237K | -- | -$237K |
| MEXICO | -- | $43K | +$43K |
| CANADA | -- | $18K | +$18K |
| TAIWAN | -- | $17K | +$17K |
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 |
|---|---|---|---|---|---|
| 2841509100 | CHROMATE & DICHROMATE; PEROXOCHROMATE, NESOI | $243K | 13.10% | 100.00% | $32K |
| 2841501000 | POTASSIUM DICHROMATE | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2841509100 | CHROMATES & DICHROMATES; PEROXOCHROMATES NESOI | $346K |
| 2841501000 | POTASSIUM DICHROMATE | $13K |
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 |
|---|---|---|---|
| Connecticut | -- | $259K | +$259K |
| Illinois | $243K | -- | -$243K |
| Michigan | -- | $27K | +$27K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHICAGO, IL | $237K | -- | -$237K |
| JFK INTERNATIONAL AIRPORT, NY | -- | $194K | +$194K |
| NEWARK, NJ | $6K | $65K | +$59K |