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SITCSection 5
U.S. imports of fluorinated, brominated, or iodinated derivatives of acyclic hydrocarbons (SITC 51137) totaled $34.2M in April 2026, traded with 18 countries.
Importers of Fluorinated, Brominated, or Iodinated Derivatives of Acyclic Hydrocarbons paid $3.0M in duties in April 2026 — an effective duty rate of 9.2% on $32.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Fluorinated, Brominated, or Iodinated Derivatives of Acyclic Hydrocarbons imports of $34.2M in April 2026 ran 49% above the year-to-date monthly average of $22.9M.
Last updated: April 2026 dataFluorinated acyclic derivatives — including hydrofluorocarbons (HFCs), hydrochlorofluorocarbons (HCFCs), and perfluorinated compounds — dominate this grouping and are subject to phasedown schedules under the AIM Act, which implements US obligations aligned with the Kigali Amendment to the Montreal Protocol. Brominated flame retardants and methyl bromide (a controlled fumigant) also fall within this category, each carrying distinct EPA and USDA APHIS regulatory requirements. Importers of HFCs must obtain EPA allowances under the AIM Act's consumption allowance system before bringing product into US commerce.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Under the American Innovation and Manufacturing (AIM) Act, importers of bulk hydrofluorocarbons must hold sufficient EPA-issued consumption allowances to cover each shipment. Allowances are allocated annually and can be traded. Importing HFCs without the required allowances is a violation subject to civil penalties.
Methyl bromide is a Class I ozone-depleting substance controlled under the Clean Air Act and the Montreal Protocol. Imports for non-quarantine, non-pre-shipment uses are subject to strict EPA consumption allowances. USDA APHIS separately regulates its use as a quarantine fumigant, and importers must coordinate with both agencies depending on the intended application.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $1.5M | $19.8M | +$18.3M |
| CHINA | $11.6M | $4.6M | -$7.1M |
| INDIA | $12.1M | $1.6M | -$10.5M |
| NETHERLANDS | -- | $12.5M | +$12.5M |
| UNITED KINGDOM | $804K | $9.9M | +$9.1M |
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Monthly import values over time