Dibutylthiourea with Stabilizer (Transport Grade) from China
Dibutylthiourea containing minimal anticaking stabilizer as permitted by Chapter 29 note (f), specifically classified under 2930.90.71.00. Designed for safe bulk transport in rubber industry supply chains. The stabilizer does not alter its primary chemical identity or intended use.
Duty Rate — China → United States
17.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Document stabilizer type and concentration (<0.5%) in SDS to qualify under Chapter 29 note (f)
• Use NIOSH-approved packaging for dusty powders; include exposure limits on labeling
• Request binding ruling if stabilizer composition questioned to lock in 2930 classification