Section VI — Products of the chemical or allied industries
Chapter 29 — Organic chemicals
Heading 2901 — Acyclic hydrocarbons.
National subdivision 2901.2 — Unsaturated:
Subheading 2901.24 — Buta1,3diene and isoprene
HS code
2901.24.00 Buta-1,3-diene and isoprene, unsaturated
Last Verified Date - 1 October 2026
Common commodities
Pure Chemically-Refined Buta-1,3-diene (C4H6)High-Grade Isoprene (C5H8) for Synthetic RubberUnsaturated C4 Diene Monomer (Butadiene) - Pure GradeSynthetic Isoprene Precursor (2-Methylbuta-1,3-diene) - Pure FormPure C5 Diene (Isoprene) for Rubber ManufacturingChemically-Purified 1,3-Butadiene MonomerHighly Refined Buta-1,3-diene for Synthetic Polymer IndustryPure Isoprene for Rubber ProductionChemical-Grade Unsaturated C4/C5 Dienes (Butadiene & Isoprene)Synthastic 1,3-Butadiene - Pure Chemical Form