p-Xylene with Stabilizer from Canada
p-Xylene containing polymerization inhibitor (e.g., 10 ppm t-butylcatechol) necessary for safe transport, still classified as the base compound under HTS 2902.43.00.00 per Chapter 29 note (f). Used in chemical intermediate production.
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 addition solely for preservation/transport to maintain Chapter 29 classification
• Specify inhibitor concentration (<50 ppm) on COA to avoid Chapter 38 mixture classification
• Ensure compatibility testing for stainless steel 316L tankers used in bulk import