Dibutylthiourea with Stabilizer (Transport Grade) from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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