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HSChapter 29
U.S. exports of propylene (propene) (HS 290122) totaled $23.1M in July 2026.
Propylene (Propene) imports of $5.7M in July 2026 ran 21% above the year-to-date monthly average of $4.7M.
Last updated: July 2026 dataPropylene is a foundational olefin feedstock for polypropylene, acrylonitrile, propylene oxide, and cumene, making it one of the most commercially significant chemicals in global trade. Classified under a single 10-digit line (2901220000), it is transported as a liquefied gas under pressure and requires specialized handling at import terminals. Canada is the leading US supplier, with China and India also notable sources. Propylene supply is sensitive to refinery and steam cracker operating rates, and importers should monitor on-purpose propylene production trends — including propane dehydrogenation capacity — as these affect global availability and pricing.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
112 shipments/mo
Polymer-grade propylene (typically ≥99.5% purity) and chemical-grade propylene (typically 92–94% purity) are both classified under 2901220000 — the HTS does not subdivide by purity grade. However, purity grade is commercially critical: polymer-grade commands a price premium and is required for direct polymerization, while chemical-grade is used in less purity-sensitive applications. Buyers should specify grade in contracts and verify purity via certificate of analysis, even though both enter under the same tariff line.
Propylene imports must comply with DOT hazardous materials regulations governing flammable liquefied gases (UN 1077), including proper vessel certification, placarding, and emergency response documentation. At the port of entry, CBP coordinates with the Coast Guard for vessel-borne shipments. Importers should also confirm that receiving terminals hold the necessary EPA Risk Management Program (RMP) registrations for propylene storage above threshold quantities.
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Subheading 4 of 6 in heading 2901
Subheading 290122 · $5.7M of $110.9M
ImportsExports
Imports
$5.7MYoY · Pro
Exports
$23.1MYoY · 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 |
|---|---|---|---|---|
| 2901220000 | Propene (Propylene) | $5.7M | 0.00% | 0.67% |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2901220000 | Propene (Propylene), Unsaturated | $23.1M |
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.
Exports · July 2026
destination
Colombia and Mexico together take 97% of it.
customs district
origin
entry
rate provision · imports
99.3% enters free of duty; the effective duty rate is 0.00%.