99.9% Pure Butadiene Monomer from China
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 — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
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