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U.S. imports of petroleum gases & other gaseous hydrocarbons, gaseous state (not elsewhere specified) (HS 271129) totaled $2.9M in July 2026, traded with 28 countries.
Importers of Petroleum Gases & Other Gaseous Hydrocarbons, Gaseous State (Not Elsewhere Specified) paid $7K in duties in July 2026 — an effective duty rate of 8.6% on $87K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataGaseous-state petroleum gases that do not qualify as natural gas or LNG fall into this residual heading, which the US schedule subdivides into propane gas below the 90 liquid volume percent purity threshold (2711290015), butane gases at 90–95% purity (2711290020), other butane gases (2711290025), and a broad NESOI line (2711290060). The supplier geography here is notably diverse — the Dominican Republic and Angola lead, followed by South Korea, Equatorial Guinea, and Canada — suggesting a mix of re-export flows, associated gas from oil production, and specialty industrial gas streams rather than a single dominant supply chain. Importers should take care to distinguish gaseous-state products from their liquefied counterparts under headings 271112 and 271113, as the physical state at the time of import determines heading eligibility.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
66 shipments/mo
The physical state of the product at the time of importation — not the storage method — governs heading selection. Propane and butane transported under pressure in a liquefied state are classified under the liquefied headings (271112, 271113), while the same hydrocarbons transported in true gaseous form (e.g., in high-pressure cylinders without liquefaction) fall under 271129. In practice, most bulk commercial propane and butane is liquefied for transport, so gaseous-state classification is more common for small-cylinder or specialty industrial gas shipments.
The Dominican Republic's position likely reflects re-export or transshipment activity, where LPG or associated gas products are processed or repackaged before export to the US. Angola's presence reflects associated gas production from its offshore oil fields, where some gas streams are exported in gaseous form or as part of mixed hydrocarbon shipments. The diversity of the supplier list in this NESOI heading is characteristic of residual categories that capture a wide range of product types and trade flows not fitting neatly into the more specific headings.
HSChapter 27
Subheading 5 of 7 in heading 2711
Subheading 271129 · $2.9M of $545.4M
Supplier Network
Get discovered by U.S. importers searching for HS 271129 — Petroleum Gases & Other Gaseous Hydrocarbons, Gaseous State (Not Elsewhere Specified). Be the first supplier listed.
ImportsExports
Imports
$2.9MYoY · Pro
Exports
$2.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 2711290060 | PET Gases A Oth Gas Hydcrbns, Gaseous Form, NESOI | $2.8M | 0.13% | 0.71% | $4K |
| 2711290025 | Butanes, Gaseous, NESOI | $100K | 3.92% | 67.18% | $4K |
| 2711290015 | Propane Gas Oth Th Min Pur of 90 Liq Vol Pct | $0 | -- | -- | -- |
| 2711290020 | Butanes, Gas Pur of 90-95 Liq Vol Pct | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2711290000 | Petrol Gas A Oth Gas Hydrocarbons,Gaseous, NESOI | $2.2M |
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.
Imports · July 2026
origin
Canada and Korea, South together supply 98% of it.
customs district
destination
entry
rate provision · imports
97.0% enters free of duty; the effective duty rate is 0.26%.