2901.24.10.00/99.9% Pure Butadiene Monomer/Japan

99.9% Pure Butadiene Monomer from Japan

Ultra-high purity buta-1,3-diene monomer (>99.9%) for specialty polymer applications, classified as chemically defined acyclic hydrocarbon under HTS 2901.24.10.00. Meets Chapter 29 note (a) strict purity standards.

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%

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Import Tips

• Submit NMR spectroscopy confirming >99.9% butadiene with <5 ppm isomers

• Single-trip ISO tanks preferred over railcars to minimize contamination risk

• Pre-clear with FDA if downstream polymer use requires food-contact notification