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U.S. exports of saturated acyclic hydrocarbons (ethane, butane, pentane, and others) (HS 290110) totaled $678.1M in July 2026.
Importers of Saturated Acyclic Hydrocarbons (Ethane, Butane, Pentane, and Others) paid $350K in duties in July 2026 — an effective duty rate of 16% on $2.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Saturated Acyclic Hydrocarbons (Ethane, Butane, Pentane, and Others) imports of $67.7M in July 2026 ran 69% above the year-to-date monthly average of $40.0M.
Last updated: July 2026 dataEthane, n-butane, isobutane, n-pentane, and isopentane are the principal saturated acyclic hydrocarbons in this heading, serving as feedstocks for petrochemical crackers, refrigerant blends, aerosol propellants, and natural gasoline blending. The US schedule separates ethane and butane isomers (2901101010, 2901101020, 2901101030) from pentanes (2901103000) and other saturated hydrocarbons (2901104000, 2901105000, 2901106000), with a dedicated line for material not derived from petroleum, shale oil, or gas. Canada dominates US imports under this heading, reflecting integrated North American natural gas liquids infrastructure, with Germany, South Korea, France, and Spain supplying specialty or non-petroleum-derived grades.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
877 shipments/mo
HTS 2901105000 captures saturated hydrocarbons produced through non-fossil routes — such as bio-based or synthetic processes. This distinction can affect duty treatment and is increasingly relevant as bio-based ethane and butane enter commerce. Importers must be prepared to document the production process and feedstock origin to support classification under this line versus the petroleum-derived lines.
N-butane (2901101020) and isobutane (2901101030) are structural isomers with distinct physical properties and end uses: n-butane is primarily used in gasoline blending and LPG, while isobutane is a preferred refrigerant blend component and aerosol propellant. Correct isomer identification on entry documents is essential because misclassification between these lines can trigger CBP penalties and complicate downstream regulatory compliance for refrigerant applications.
HSChapter 29
Subheading 1 of 6 in heading 2901
Subheading 290110 · $67.7M of $110.9M
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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 |
|---|---|---|---|---|---|
| 2901105000 | Oth Sat Acyc Hydcrbns Nt Frm Petro, Shale Oil/Gas | $41.0M | 0.63% | 3.59% | $257K |
| 2901101000 | Ethane and Butane | $26.3M | 0.20% | 1.03% | $52K |
| 2901104000 | Other Saturated Acyclic Hydrocarbons | $308K | 10.10% | 100.00% | $31K |
| 2901103000 | Sat Acyc Hydrocarbons; N-Pentane and Isopentane | $77K | 13.39% | 100.00% | $10K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2901101020 | Normal Butane (N-Butane), Saturated | $378.6M |
| 2901101010 | Ethane, Saturated | $277.5M |
| 2901106000 | Sat Acyclic Hydrocarbons, Except Ethane and Butane | $19.3M |
| 2901101030 | Isobutane (2-Methylpropane), Saturated | $2.6M |
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.
ImportsExports
Imports
$67.7MYoY · Pro
Exports
$678.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
China and India together take 44% of it.
customs district
origin
entry
rate provision · imports
97.5% enters free of duty; the effective duty rate is 0.52%.