U.S. exports of Other Perhalogenated Acyclic Hydrocarbon Derivatives (Two or More Halogens) (HS 290378) totaled $371K in August 2026.
Importers of Other Perhalogenated Acyclic Hydrocarbon Derivatives (Two or More Halogens) paid $535 in duties in August 2026, an average duty rate of 0.48% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Other Perhalogenated Acyclic Hydrocarbon Derivatives (Two or More Halogens) imports of $110K in August 2026 ran 85% below the year-to-date monthly average of $725K.
Last updated: August 2026 dataCovering perhalogenated acyclic hydrocarbons containing two or more different halogens beyond the named CFC and HCFC subheadings, this single-line heading (2903780000) captures specialty fluorinated and brominated compounds used as chemical intermediates, electronic-grade solvents, and precursors in pharmaceutical synthesis. Japan leads US imports under this heading, with China, Israel, Russia, and India also supplying material — a diverse origin mix that reflects the specialty-chemical nature of these compounds and the varied global production base.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2 import shipments a month
Headings 290373–290377 cover specific, named chlorofluorocarbon and hydrochlorofluorocarbon compounds subject to Montreal Protocol controls. Heading 290378 is a residual category for perhalogenated acyclic compounds containing two or more different halogens that do not fit those named descriptions — many of which are not ozone-depleting substances and therefore not subject to EPA allowance requirements, though individual compounds may still face other regulatory controls.
Classification hinges on the precise molecular structure: the number and identity of halogens present, whether the compound is fully or partially halogenated, and whether it matches any named compound in the earlier specific subheadings. A binding ruling request to CBP, supported by a certificate of analysis and structural data, is the most reliable way to confirm classification before the first shipment.
ImportsExports
Imports
$110KYoY · free account
Exports
$371KYoY · free account
Low of 11 reported months · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $8.2M of Other Perhalogenated Acyclic Hydrocarbon Derivatives (Two or More Halogens) and exported $13.1M.
Fewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through August 2026 · imports 11 of 12 months reported. Source: U.S. Census Bureau.
Subheading 19 of 41 in heading 2903
Subheading 290378 · $371K of $202.0M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2903780000 | Other Perhalogenated Derivatives | $110K | 0.48% | 100.00% | $535 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2903780000 | Other Perhalogenated Derivatives | $371K |
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.
Trade Directory
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Exports · August 2026
destination
Japan and Singapore together take 100% of it.
customs district
origin
entry
rate provision · imports
duty collected equals 0.48% of imports for consumption.