2901.24.20.00/High-Purity Isoprene (99.5%)/Japan

High-Purity Isoprene (99.5%) from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

Import Tips

• Provide third-party lab analysis certificates verifying ≥95% purity by weight to avoid reclassification; declare exact purity percentage on entry documents

• Common pitfall: contamination during transport dropping below threshold—use inert atmosphere packaging