99.9% Spectroscopic Grade Isoprene from China
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.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Submit HPLC/GC purity chromatograms; comply with lab chemical import regs under TSCA Section 13
• Pitfall: small quantities misdeclared as samples—use commercial invoice