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
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If synthetic rubber from isoprene
Polymerized product under Chapter 40 smoked sheets.
If buta-1,3-diene instead of isoprene
Different isomer (butadiene) has separate high-purity subheading.
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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.