Stabilized Propylene Gas
Propene with added polymerization inhibitor (per chapter note f) for safe transport and storage in petrochemical supply chains. Remains classified as HTS 2901.22.00.00 since stabilizer is solely for preservation. Used in downstream alkylation and metathesis.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stabilizer renders it suitable for specific non-general use
Note (e) exclusions apply if solvent/additive changes primary purpose.
If chlorinated to allyl chloride
Halogenated derivatives classified later per note on derivatives.
If for winter-grade propane-propylene fuel blends
Fuel gas mixtures in Chapter 27.
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Import Tips & Compliance
• Document stabilizer type and concentration (<0.1% typical); label as UN 1077 Propylene, inhibited; inspect for solvent dissolution per note (e)
Related Products under HTS 2901.22.00.00
Polymer-Grade Propylene
High-purity propene (propylene) used as a primary feedstock in the production of polypropylene plastics for packaging, automotive parts, and consumer goods. It falls under HTS 2901.22.00.00 as a separate chemically defined acyclic unsaturated hydrocarbon. This classification applies to bulk industrial-grade propylene meeting polymerization specifications.
Refinery-Grade Propylene
Propene extracted from refinery streams, typically 90-95% purity, used for chemical synthesis including propylene oxide and cumene production. Classified under HTS 2901.22.00.00 as chemically defined propene, distinct from crude mixtures. Meets chapter note (a) for separate organic compounds.
Chemical-Grade Propylene
99%+ pure propene tailored for oxo-alcohol synthesis and acrylic acid production via propionaldehyde processes. It is a separate chemically defined acyclic unsaturated hydrocarbon under HTS 2901.22.00.00. Purity distinguishes it from refinery streams.
Propylene Monomer for Polypropylene
Ultra-high purity propene (propylene monomer) specifically for homopolymer and copolymer polypropylene production in gas-phase processes. Falls under HTS 2901.22.00.00 as pure acyclic unsaturated hydrocarbon per chapter note (a). Used in fibers, films, and injection molding.
Propylene for Cumene Production
High-specification propene used in alkylation with benzene to produce cumene, a phenol/acetone precursor. Pure acyclic unsaturated hydrocarbon under HTS 2901.22.00.00, meeting chapter purity requirements. Supplied to phenol plants worldwide.
Propylene Feedstock for Acrylonitrile
Propene for ammoxidation process to produce acrylonitrile, used in acrylic fibers and ABS plastics. Chemically defined under HTS 2901.22.00.00 as pure propene. Industrial grade with low water content.