Arsenic Trichloride for Organic Synthesis from Mexico
Arsenic trichloride used in Vilsmeier-Haack formylation reactions for heterocyclic synthesis, classified under HTS 2812.19.00.10 as a nonmetal chloride oxide equivalent. Technical grade suitable for pharmaceutical intermediate production.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include SDS confirming <98% purity for synthesis grade vs. electronic grade
• Verify no List I chemical status under DEA import regulations
• Document downstream pharmaceutical use to avoid pesticide classification