5-Amino-3-phenyl-1,2,4-thiadiazole Technical Grade Powder from Mexico
Technical grade 5-Amino-3-phenyl-1,2,4-thiadiazole powder (98%+ purity) is the industrial form of this named heterocyclic compound used in agrochemical synthesis. Classified under HTS 2934.99.05.00 due to explicit naming regardless of minor impurities allowed by chapter note (a). Supplied with stabilizer for safe handling.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Certificate of analysis must show thiadiazole >90% to qualify under specific naming despite technical grade status
• DOT/UN proper shipping name and class required for hazardous material declaration
• Avoid water-dissolved forms per chapter note (d) which maintain classification but require special stability data