Polymer-Grade Liquefied Butadiene
High-purity liquefied butadiene (>99.5%) specifically refined for polymerization in rubber and plastics production. Classified under HTS 2711.14.00.40 due to its liquefied gaseous hydrocarbon form and butadiene composition.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as other liquefied butylene rather than butadiene
Distinction between butadiene and butylene isomers determines specific subheading within ethylene/propylene/butylene/butadiene group.
If contains polymerization inhibitors or additives exceeding 5%
Prepared chemical mixtures with significant additives are classified as chemical preparations in Chapter 38 rather than pure hydrocarbons.
If for non-liquefied, chemically pure ethylene used similarly
Related olefins like ethylene have separate acyclic hydrocarbon subheadings when not in liquefied petroleum gas form.
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Import Tips & Compliance
• Provide manufacturer specs confirming polymer-grade purity; use refrigerated tankers to maintain liquefaction; declare exact isomer content (1,3-butadiene vs 1,2) to prevent customs disputes
Related Products under HTS 2711.14.00.40
Liquefied 1,3-Butadiene
Pure liquefied 1,3-butadiene (C4H6), a gaseous hydrocarbon liquefied under pressure for storage and transport. It falls under HTS 2711.14.00.40 as butadiene within the category of liquefied petroleum gases and other gaseous hydrocarbons, specifically the butadiene subheading.
Industrial Liquefied Butadiene-1,3
Liquefied 1,3-butadiene for industrial chemical synthesis, meeting specifications for latex and elastomer production. HTS 2711.14.00.40 applies to this liquefied form of butadiene as a petroleum gas.
Refrigerated Liquefied Butadiene Cargo
Bulk liquefied butadiene transported in refrigerated ISO tanks at -4°C to prevent polymerization. Falls under HTS 2711.14.00.40 as specifically identified butadiene among liquefied gaseous hydrocarbons.
Stabilized Liquefied Butadiene
Liquefied butadiene with polymerization inhibitors (TBPE/PPP) to maintain stability during storage and shipping. Classified under HTS 2711.14.00.40 as butadiene despite minor stabilizers, as they don't change principal character.