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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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