Elastomer Feedstock Isoprene (99.2%)

99.2% isoprene feedstock for elastomer production like butyl rubber analogs, highly refined. HTS 2901.24.20.00 covers this pure form ≥95% as per chapter notes on separate organic compounds.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4001.21.00Lower: 25% vs 35%

If synthetic rubber from isoprene

Polymerized product under Chapter 40 smoked sheets.

2901.22.00.00Same rate: 35%

If buta-1,3-diene instead of isoprene

Different isomer (butadiene) has separate high-purity subheading.

2711.13.00Lower: 25% vs 35%

If liquefied under pressure

Liquefied hydrocarbon gases to Chapter 27.

Not sure which classification is right?

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Import Tips & Compliance

Verify inhibitor levels (e.g

TBC) in COA; use DOT-compliant drums

Pitfall: polymerization in transit—stabilize properly

Related Products under HTS 2901.24.20.00

High-Purity Isoprene (99.5%)

Isoprene (2-methyl-1,3-butadiene) with a purity of 99.5% by weight, a chemically defined acyclic unsaturated hydrocarbon used primarily as a monomer in synthetic rubber production. It falls under HTS 2901.24.20.00 due to its high purity exceeding 95% and classification as pure isoprene per Chapter 29 notes for separate organic compounds. This excludes mixtures or impure forms covered elsewhere.

Polymerization-Grade Isoprene (98%)

98% pure isoprene specifically refined for synthetic rubber polymerization, meeting industrial standards for cis-1,4-polyisoprene production. Classified under HTS 2901.24.20.00 as a high-purity (≥95%) acyclic unsaturated hydrocarbon, distinct from lower-grade or mixed hydrocarbons.

Synthetic Rubber Monomer Isoprene (99%)

99% pure isoprene used exclusively as a building block for cis-polyisoprene synthetic rubber, with minimal impurities. It qualifies for HTS 2901.24.20.00 under Chapter 29 for pure acyclic hydrocarbons ≥95% purity, excluding mixtures or polymers.

99.9% Spectroscopic Grade Isoprene

Ultra-high purity 99.9% isoprene for spectroscopic and analytical applications, free of UV-absorbing impurities. Falls under HTS 2901.24.20.00 as chemically defined isoprene ≥95% pure, per Chapter 29 scope for separate organic compounds.

Industrial High-Purity Isoprene (97%)

97% pure isoprene for large-scale industrial polymerization, distilled to exceed 95% threshold with controlled cyclopentadiene content. Classified in HTS 2901.24.20.00 for pure isoprene meeting Chapter 29 purity criteria, not mixtures.

Battery Electrolyte Grade Isoprene Derivative (96%)

96% pure isoprene used in producing electrolyte additives for lithium-ion batteries, meeting high-purity specs. HTS 2901.24.20.00 applies as separate chemically defined acyclic hydrocarbon ≥95%, before further reaction.