Allythiourea from Canada
Allylthiourea serves as a reagent in analytical chemistry and polymer modification, recognized as a ureine derivative with thio-substitution. Classified in HTS 2924.21.50.00 as 'other' ureines and their derivatives within Chapter 29's organic compounds.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide thio-urea spectral confirmation to distinguish from oxygen analogs
• Classify as UN3077 Environmentally Hazardous if meeting GHS criteria
• Document <1ppm mercury content for laboratory reagent import clearance